There are 4 stages of cancer, that are Stage I, Stage II, Stage III, Stage IV.
Stage 0. At situ cancer is described in this stage. As in "in position," in situ. Cancers in stage 0 are still present where they first appeared. They haven't spread to the tissues in the area. Cancer at this stage is frequently treatable. Surgery can frequently completely eliminate the tumor.
Stage one. Typically, a tumor in this stage has not spread much into the surrounding tissues. Additionally, it has not migrated to the lymph nodes or other bodily regions. It is frequently referred to as early-stage cancer.
The second and third stages. These 2 phases are typically characterized by malignancies that have penetrated more deeply into adjacent tissue. However, they did not spread to other body parts, including lymph nodes.
Stage four. This stage denotes the spread of the malignancy to additional bodily organs or regions. It may also be referred to as metastatic or advanced cancer.
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Which among of the following is an endocrine gland in the human body?
a. salivary glad
b. digestive glad
c. pituitary glad
d. sweat glad
The correct option is C ; Pituitary glad , The pituitary gland (also known as the hypophysis) is a tiny, pea-sized gland found near the base of the brain, just behind the hypothalamus.
It has its own small compartment beneath your brain called the sella turcica. It is a component of your endocrine system and is in charge of producing numerous important hormones. The Pituitary Gland's Anatomy
Through the hormones it produces, it governs growth, metabolism, and reproduction. Chemical impulses delivered from the hypothalamus to the pituitary gland either encourage or inhibit the synthesis of these hormones. The posterior lobe is responsible for the production of two hormones: vasopressin and oxytocin.
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Q: The process of ________, happens through the _________, a sturdy network of vessels that shuttles material between the intestines and the liver.
The process of enterohepatic circulation happens through the portal vein, a sturdy network of vessels that shuttles material between the intestines and the liver.
What is enterohepatic circulation?Enterohepаtic circulаtion represents the circulаtion thаt is utilized when а substаnce is аbsorbed through the portаl vein into the liver. The substаnce is then excreted with biliаry аcids, bilirubin, or other substаnces from the liver аs bile into the duodenum. Аfterwаrd, these substаnces аre moved into the smаll intestine аnd аbsorbed by enterocytes аnd trаnsported bаck to the liver.
Enterohepаtic circulаtion mаy be significаntly аffected by the chemicаl аnd physicаl chаrаcteristics of the substаnce itself. The formаtion of metаbolites no mаtter whether phаse I or phаse II during аbsorption is аlso аffected by enterocytes аnd hepаtocytes during their circulаtion through the biliаry system аnd intestinаl trаct.
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As you walk home from the movie theater, you think that you hear footsteps behind you. Suddenly, you notice that your heart rate has increased and you are breathing quickly. What portion of the nervous system has been activated
Answer:
SNS and the PNS
Explanation:
Your heart rate is controlled by two branches of the involuntary nervous system. The sympathetic nervous system (SNS) and the parasympathetic nervous system (PNS). The sympathetic nervous system (SNS) releases hormones (catecholamines; epinephrine and norepinephrine) to accelerate the heart rate. These are your fight or flight response.
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your muscles generally get the energy they need for expanding and contracting from the aerobic breakdown of glucose. Sometimes, however, your muscles use the process of fermentation,. Can you explain why
Fermentation is a process that allows your muscles to produce energy without oxygen, which is demanded for the aerobic breakdown of glucose.
It allows your muscles to continue to contract and expand for a short period of time when the oxygen position is too low for aerobic energy product. This can be due to violent exercise, high altitude, or other conditions where the oxygen situations are reduced. turmoil, chemical process by which motes similar as glucose are broken down anaerobically. More astronomically, turmoil is the raging that occurs during the manufacture of wine and beer, a process at least,000 times old. turmoil is a metabolic process that produces chemical changes in organic substrates through the action of enzymes. In biochemistry, it's hardly defined as the birth of energy from carbohydrates in the absence of oxygen
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Fermentation is a manner that lets in your muscular tissues to provide power without oxygen, that's demanded for the aerobic breakdown of glucose.
It lets in your muscular tissues to preserve to agreement and enlarge for a brief time frame while the oxygen role is just too low for aerobic strength product. this will be because of violent exercise, high altitude, or other situations wherein the oxygen conditions are decreased. turmoil, chemical technique via which motes comparable as glucose are broken down anaerobically. extra astronomically, turmoil is the raging that takes place in the course of the manufacture of wine and beer, a technique at the least, times old. turmoil is a metabolic procedure that produces chemical adjustments in organic substrates via the motion of enzymes. In biochemistry, it's hardly described because the start of strength from carbohydrates within the absence of oxygen.
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1. Air that does not participate in the exchange of gases.
2.Residual volume.
3.Tidal volume.
The volume of air that does not participate in the exchange of gases is dead space air.
The amount of air remaining in the respiratory tract (trachea & bronchi) that does not participate in gas exchange. Of the normal tidal volume (500 ml) only about 300 ml. enters the alveoli to oxygenate the blood. The remaining 200 ml, remains in the airways and ends without reaching the alveoli, this air is called dead space air.
Residual volume (RV): We cannot expel all the air from our lungs even with maximum effort. Some amount of air remains in the lungs after a maximal forceful expiration. Residual volume is the volume of air remaining in the lungs after a maximum forceful expiration. The amount is about 1500 ml.
Tidal volume (TV): The volume of air that is inhaled in and out of the lungs during each effortless breath is called the idle volume. Normal tidal volume is about 500 ml.
So, the volume of air participating in gas exchange is the residual volume and tidal volume. Meanwhile, what does not participate in gas exchange is dead space air.
Your question is incomplete but most probably your full question was
The volume of air that does not participate in the exchange of gases.
A. Dead space airB. Residual volumeC. Tidal volumeD. Both A and BThe correct answer is A
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The _____ attaches inferiorly at the sternum and superiorly at the mastoid process of the temporal bone and acts to support and move the head. Group of answer choices
The muscle that attaches inferiorly at the sternum and superiorly at the mastoid process of the temporal bone and acts to support and move the head is the sternocleidomastoid muscle.
The sternocleidomastoid muscle (SCM) is a large, two-headed muscle that is located in the neck. It originates at the sternum (breastbone) and the clavicle and inserts at the mastoid process, which is a bony protrusion on the temporal bone behind the ear.
The SCM muscle is responsible for a variety of movements of the head and neck, such as rotating the head to the opposite side, tilting the head to the same side, and flexing the head forward. It also helps to stabilize the head and neck and can assist in breathing. It is commonly referred to as the "SCM muscle".
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What is the action of natriuretic peptides? Select one O a. They decrease heart rate and increase potassium excretion. O b. They increase blood pressure and decrease sodium and water ex O c. They decrease blood pressure and increase sodium and water excretion. d. They increase heart rate and decrease potassium excretion.
According to the given statement they decrease blood pressure and increase sodium and water excretion.
What occurs after the release of natriuretic peptides?The cardiac ventricle and atria respectively, release atrial natriuretic peptide (ANP) as well as B-type natriuretic peptide (BNP). ANP sends out endocrine and paracrine signals that reduce heart hypertrophy and blood pressure. BNP reduces ventricular fibrosis locally.
The function of natriuretic peptides in the kidneys.These natriuretic peptides affect the kidneys, blood vessels, as well as adrenal glands, where they cause natriuresis, vasodilation, and an inhibition of the release of aldosterone, creating a negative feedback loop that lowers blood pressure or fluid volume.
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What amount of energy is lost when moving between the underwater
plants to ducks?
The amount of energy lost when moving between underwater plants and ducks is 90%, while the rest of the 10% goes to the next trophic level in the food chain or the food web.
What is the energy lost in the ecosystem?
There are many food chains in an ecosystem, and each food chain is made up of many trophic levels, energy and matter travel from the producer to the next trophic level, and only 10% of them transfer, while the other 90% is lost as heat, respiration, and so on.
Hence, the amount of energy lost when moving between underwater plants and ducks is 90%, while the rest of the 10% goes to the next trophic level in the food chain or the food web.
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Which kind of storm do you think would cause damage over a larger area, a cyclone or a tornado?
Answer:cyclone
Explanation: obvious
Which of the following statements is TRUE about business process reengineering? a. It is a very fast process and is easy to carry out. b. It is a very slow process but is easy to carry out. .c. When combined with enterprise resource planning (ERP), it has 100 percent success rate. d. Due to its streamlined processes, it requires no expertise. e. It is a very expensive process. phase of the custo
According to the provided statement, the process is quite pricey.
What's a good illustration of reengineering?Examples of business process reengineering a business that sells greeting cards. A firm that sells items like Christmas, anniversary, and commemorative cards must regularly replenish its stock and update the look of its cards.
What does organizational reengineering entail?Organizational reengineering, often known as Business Process Reengineering, according to Bain & Company, is the process of analyzing all the many layers of an organization's manner of doing business and thinking about how to improve things. Reengineering a fundamental business process with the intention of raising productivity, elevating quality, or cutting expenses is known as business process reengineering.
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Which of the following is/are possible site(s) of protein synthesis in a typical eukaryotic cell? (eText Concept 6.5)
* the cytoplasm
* the rough endoplasmic reticulum
* in mitochondria
* The first two answers are correct.
* The first three answers are correct.
The first three answers are correct about the possible sites of protein synthesis in a typical eukaryotic cell.
In the cytoplasm, on top of the endoplasmic reticulum, in the mitochondria, and on the mitochondrial membrane, proteins can be synthesized, according to recent findings. Ribosomes are the location of protein production in cells.
These exist both in the free state in the cytoplasm and adhered to the surface of the rough endoplasmic reticulum. These organelles play a role in translation, the process by which mRNA is transformed into proteins.
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What is an example of a chronological sequence?
An example of a chronological sequence is
It stаrted like а normаl dаy. First, I got out of bed аnd took а shower like I аlwаys do. Then I got а quick breаkfаst аnd wаlked to school. Аll of а sudden, аs I wаs wаlking, а bicyclist rаn into me а block from the school аnd pinned me аgаinst а fence. My whole body hurt! I wаs scаred аnd stаrted crying. Meаnwhile, the bicyclist cаlled for help. Then the аmbulаnce аrrived аnd took me to the hospitаl. I kept аsking the nurses to cаll my pаrents, but they didn't аrrive. Finаlly, аfter two hours, my pаrents showed up. The doctors аnd nurses took greаt cаre of me. In the end, I just hаve а few stitches, аnd а story to tell!
Seven sequence words guide the reаder through the events аnd show how the events relаte to eаch other in time:
'First' signаls the first two events of the dаy - getting out of bed аnd tаking а shower.'Then' signаls the next two events - getting breаkfаst аnd wаlking to school.'Аll of а sudden' signаls аn unexpected event - getting hit by the bicyclist.'Meаnwhile' signаls something else thаt wаs hаppening аt the sаme time аs the student's reаction of crying - the bicyclist cаlling for help.'Then' signаls the next event, the аrrivаl of the аmbulаnce thаt took the student to the hospitаl.'Finаlly' signаls the delаyed аrrivаl of the pаrents аfter hours spent trying to reаch them.'In the end' signаls the resolution of the story, stitches аnd memories.For more information about a chronological sequence refers to the link: https://brainly.com/question/29547949
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with respect to the neuron, receiver is to transmitter as _____ is to _____.
With respect to the neuron, receiver is to transmitter as dendrite is to axon.So,correct option is a.
Dendrite is an extension of a nerve cell, and these are short extended improvement, variously present in a cell. Axon is the projection in the long slim type of a neuron or nerve cell that are single per cell. There are numerous dendrites in a nerve cell. There is just a single axon for every neuron or nerve cell.
Neuron transmitters are a flagging particle emitted by a neuron to influence one more cell across a neurotransmitter. The phone getting the sign, any principal body part or target cell, might be another neuron, however could likewise be an organ or muscle cell.Synapses are let out of synaptic vesicles into the synaptic split where they can associate with synapse receptors on the objective.
Hence, correct option is a.
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(Complete question) is:
With respect to the neuron, receiver is to transmitter as _____ is to a)Dendrite;axon, b).Damaged myelin, c)Broca; Wernicke, d).None of these
You know that earth's crust is divided into tectonic plates that moves via convection cells within the mantle. As these plates move, three kinds of plate boundaries are formed: divergent, convergent, and transform plate boundaries. Not only do these boundaries form, specific events occur at these boundaries.
Not only do these boundaries form, but specific events also occur at these boundaries. Plate boundaries come in three varieties: Divergent, Transformational, and Conservative.
What happens at each boundary is as follows:
1. As the name suggests, the Convergent Boundary can be found where two plates collide head-on, resulting in mountains, deep-sea trenches, or volcanoes.
2. Divergent Boundary When two plates separate or "split apart," divergent boundaries balance out convergent boundaries.
3. Transform fault/Conservative Boundary In this scenario, instead of colliding head-on, two plates slide against one another, similar to how hands rub together.
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(complete question)
You know that earth's crust is divided into tectonic plates that moves via convection cells within the mantle. As these plates move, three kinds of plate boundaries are formed: divergent, convergent, and transform plate boundaries. Not only do these boundaries form, specific events occur at these boundaries. describe what happens in divergent, convergent, and transform plate boundaries.
the membrane of a neuron is composed of ____ with ____ embedded in them.
The membrane of a neuron is composed of Lipids with proteins embedded in them.
What is neuron?A neuron is a specialized cell in the nervous system which is responsible for transmitting electrical signals to other parts of the body. Neurons are made up of a cell body, an axon, dendrites and various other supporting structures. Neurons work by receiving input signals from the environment and other cells, processing this information and then sending output signals to other cells. Neurons are the basic unit of information processing in the nervous system, allowing the brain to interpret, store and recall information.
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Why do herbaceous plants drop their leaves in hot and dry weather while woody plants remain erect
transpiration causes more water to be lost than is coming in, and the water balance within the plant can get thrown off. The dehydrated collapsing cells in the leaves and stems can no longer remain erect, and the plant begins to wilt.
Why is slow and gradual stretching of muscles important?
An injury-causing overstretch is avoided by gradually stretching a muscle. Stretches that happen too quickly, like when you bounce, can cause major damage to the muscle.
By lengthening soft tissues like muscles and ligaments and reducing stiffness, stretching increases your range of motion and flexibility.
To enable increased muscular lengthening, you can gradually educate your stretch receptors.
The range of motion in your joints can be increased by stretching, according to study. You may do better in physical activities if you have more flexibility. lessen the likelihood of accidents.
Static stretching has benefits such as reduced cramping, increased joint range of motion, reduced chance of injury, and a decrease in the onset of beginning of muscular pain.
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What are the 5 steps of mitosis?
Mitosis is divided into 5 phаses, which include prophаse, prometаphаse, metаphаse, аnаphаse аnd telophаse аnd cytokinesis.
What is mitosis?Mitosis is а process constаntly occurring in the humаn body. It is importаnt to understаnd the process аt the moleculаr level becаuse mаny conditions, such аs cаncer аnd others, cаn аrise when mitosis is interfered with in аny wаy.
Mitosis is а process of cell division, whereby а single cell divides into two geneticаlly identicаl dаughter cells. The five stаge of mitosis аre interphаse, prophаse, metаphаse, аnаphаse аnd telophаse. The process of cell division is only complete аfter cytokinesis, which tаkes plаce during аnаphаse аnd telophаse. Eаch stаge of mitosis is necessаry for cell replicаtion аnd division.
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1. Can you determine whether or not an organism can ferment a sugar if it does not grow in the broth? explain. 2. How can an organism have a postivie test for acid from glucose in a fermentation tube but hav a negative methyl red test, which is also a glucose fermentation test? 3. When comparing a lactose fermentation tube with a MacConkey plate, a. what addition information does a fermintation tube give? b. What addition informatino does a MacConkey agar plate give?
On the off chance that the organic entity has not filled in that frame of mind, it is absolutely impossible to understand what its maturation capacities are. Numerous organic entities can fill in the base stock without the starch.
Glucose is the model food source: all fermentative microscopic organisms will utilize glucose. Sucrose and lactose are disaccharides and should be separated into monosaccharides. Not all microorganisms, and not all fermenters, can do this, so glucose fermenters could conceivably mature sucrose/lactose.
Glucose maturation will make acidic side-effects that will turn the phenol red pointer in the media yellow. In this manner, after the initial not many long stretches of hatching, the cylinder will be altogether yellow.
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the effect of the environment on a phenotype is referred to as __________.
multifactorial. These environmental factors include nutrition, temperature, oxygen levels, humidity, light cycles, and the presence of mutagens. The term "phenotype" describes a person's observable characteristics, such as height, eye colour, and blood ratio.
An organism's phenotypic responses to its surroundings can be thought of as a mapping from the environment space to the phenotype space. A specific environmental stimulus that the organism encounters may cause a specific phenotypic to emerge. We examine that the alleles of the parent organisms and predict how frequently the offspring will exhibit those genes to determine a phenotypic ratio. Most of the time, we are aware of the expression and appearance of the alleles.
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which biomolecule group carrie’s and passes on the hereditary information of the organism
The biomolecule group that carries and passes on the hereditary information of the organism is nucleic acid (DNA).
What are biomolecules?Biomolecules are molecules, such as amino acids, sugars, nucleic acids, proteins, polysaccharides, DNA, and RNA, that occur naturally in living organisms.
There are four biomolecules in nature as follows;
CarbohydratesProteinsLipidsNucleic acidsNucleic acids are any acidic, chainlike biological macromolecule consisting of multiple repeat units of phosphoric acid, sugar and purine and pyrimidine (nitrogenous) bases.
DNA and RNA are the two types of nucleic acids that are generally involved in the expression of hereditary information in every living cell.
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MENDELIAN GENETICS. X-LINKED FRUIT.FLY CROSS INTRODUCTION LABORATORY SIMULATION xy vial XX' vial xx xxxvial XX 'YX Hazardous waste Morgu EL Magnifying glass Fly morgue Paper cards Fly anesthetic Brush Swabs METHODS RESET MY NOTES LAB DATA HIDE LABELS Complete the following steps: 1 In Lab Data, record expected phenotypic ratio of XRx' female and XRy male flies cross Lab Data X Male red eye Male white eye Female red eye Female white eye Predicted ratio Observed fly counts . Observed phenotypic ratio
The expected phenotypic ratio of an XRx' female and XRy male fruit fly cross is 1:1 for red-eyed females and white-eyed males.
The phenotypic ratioThe laboratory simulation involves using a vial containing XX' flies, a vial containing xx flies, and a vial containing xxx flies. The flies are anesthetized using an anesthetic, and then transferred to a fly morgue using a brush or swabs. The phenotypic characteristics of the flies are observed using a magnifying glass and recorded on paper cards. The observed fly counts and the observed phenotypic ratio are recorded in the Lab Data section.
It is important to note that handling of hazardous waste, such as fly anesthetic, should be done with care and in accordance with proper disposal procedures.
Handling hazardous waste, such as fly anesthetic, requires care and proper disposal procedures to ensure the safety of laboratory personnel and the environment. If not handled properly, hazardous waste can cause harm to human health, as well as damage to the ecosystem and the planet. In addition, improper disposal can lead to legal and financial consequences for the laboratory or organization. Therefore, it is important to follow proper disposal procedures to ensure the safety of all and to comply with regulations.
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Julie is testing to see if increasing the Sunburn Protection Factor (SPF) of her sunscreen protects against sunburn better than the SPF 15 she always uses. Julie gets 4 identical panels of clear glass, UV sensitive paper (to indicate harmful sunlight), and 4 sunscreens of the same brand with different SPF. Julie smears equal amounts of SPF 15, SPF 30, SPF 45, and SPF 50 sunscreen evenly on the panels of glass. The glass panels are placed over UV sensitive paper in the sun at the same location for 4 hours.
What would be the best control group for Julie’s experiment? (SC.912.N.1.1)
A.a glass panel with the SPF 15 sunscreen
B.a glass panel with the SPF 30 sunscreen
C.a glass panel with the SPF 45 sunscreen
D.a glass panel with the SPF 50 sunscreen
Answer: A. a glass panel with the SPF 15 sunscreen.
Explanation:
The best control group for Julie's experiment would be a glass panel with no sunscreen applied to it. The control group is used as a baseline for comparison, and in this case, the control group would allow Julie to determine the effect of the sun's UV rays on the UV sensitive paper without the influence of any sunscreen. The control group should be as similar as possible to the other groups in the experiment, and all other variables should be kept constant. In this case, the control group would be a glass panel placed in the same location in the sun for the same amount of time as the other panels.
A drop in blood calcium levels stimulates the secretion of __________. parathyroid hormone calcitonin growth hormone thyroid hormone
A decrease in blood calcium levels stimulates the secretion of parathyroid hormone.
What is the function of calcium in the blood?Calcium in blood or extracellular fluid (ECF) plays an important role in physiological processes, which include the contraction of skeletal, cardiac, and smooth muscles, blood clotting, the transmission of nerve impulses, and bone formation.
The parathyroid glands are glands that produce a parathyroid hormone which plays an important role in regulating calcium levels in the blood. If this gland is disturbed, then you are at risk of experiencing various health problems, one of which is bone disorders. The parathyroid glands are glands located in the neck, behind the thyroid gland.
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Lipids are mostly composed of... a) Polar molecules b) Non-polar molecules c) Water molecules d) Protein molecules
Lipids are mostly composed of non-polar molecules, which is option b, as they are composed of carbon and hydrogen chains, and the chain length varies, which maintains the integrity of the lipid chain.
What is the significance of the chain length of lipids?The lipid has both short and long chain length, and that gives strength to the lipids because the chain length and the bonds, such as the single and double bonds, maintain the fluidity of lipids.
Hence, lipids are mostly composed of non-polar molecules, which is option b, as they are composed of carbon and hydrogen chains, and the chain length varies, which maintains the integrity of the lipid chain.
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Microtearing that occurs during which muscle action is responsible for delayed onset muscle soreness.
Microtearing that occurs during eccentric muscle action is responsible for delayed onset muscle soreness( DOMS).
Eccentric muscle action is when a muscle is dragged while it's constricting, similar as when lowering a weight. The microtearing causes inflammation and soreness in the muscle, which can be felt up to 48 hours after theexercise.When you try a new physical exertion or switch up your exercise routine, you may witness delayed- onset muscle soreness( DOMS). Muscle pangs may come on six to 12 hours after a drill and last up to 48 hours. You feel pain as the muscles heal and get stronger.
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Which of the following statements is correct in relation to the endocrine system
A. Releasing and inhibitory hormones are produced by the pituitary gland.
B. Adenohypophysis is under neural regulation of the hypothalamus
C. Organs in the body like gastrointestinal tract, heart, kidney and liver do not produce any hormones
D. Non-nutrient chemicals produced by the body in trace amount that act as intercellulalr messenger are known as hormones.
The correct option is D ; Non-nutrient chemicals produced by the body in trace amount that act as intercellulalr messenger are known as hormones.
Hormones are substances that have no nutritional value and serve merely to act as messengers between different organs of the body in order to maintain coordination in the body of an organism. Hormones are released by endocrine glands, which are located throughout the body. They are created in minute quantities and released straight into the bloodstream, where they are carried to their target organs.
Inadequate endocrine gland function results in excess or underproduction of hormones, which causes a variety of hormonal problems in the body. Let us now look at the revised versions of the other statements in the choices.
The hypothalamus indirectly regulates the adenohypophysis (anterior pituitary) via the portal system.
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Evolutionary taxonomists classify or reclassify animals on what basis?
Evolutionary taxonomy, evolutionary phylogeny, or Darwinian taxonomy attempts to classify organisms based on a combination of phylogenetic relatedness (common ancestry), ancestor-descendant relationships (serial ancestry), and degree of evolutionary change. It is a branch of biological classification.
Groups of species can be expected to give rise to new groups because this type of taxonomy allows consideration of entire taxa rather than individual species.
This concept found its best-known form in modern evolutionary synthesis in the early 1940s.
The evolutionary taxonomy differs from the pre-Darwinian strict Linnaean taxonomy (which only produces an ordered list) in that it produces an evolutionary tree.
Phylogenetic nomenclature requires each taxon to consist of a single ancestor node and all its descendants, whereas evolutionary taxonomy allows groups to be excluded from the parent taxon. (For example, allow paraphyletic taxa.
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Plant roots absorb water mainly by osmosis. Plant roots absorb ions mainly by active transport. Explain why roots need to use the two different methods to absorb water and ions.
Two different types of transport will be needed since the water inside the roots will be less while the ion concentrations will be higher.
Why are two different types of transportation needed?The concentrations of water in the soil will be much higher than in the roots, so only the osmosis mechanism is needed since they are going to move from a place where their gradient is high to one where their gradient will be lower. While the amount of ions in the soil will be much higher than in the roots, then an active mechanism will be needed since it will go from a place of higher concentration to one of lower concentration, energy will be needed to generate the movement.
Therefore, we can confirm that for the passage of water from the soil to the roots will require osmosis and the passage of ions from the soil to the roots requires energy.
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The Narrowmouth Catshark and the Spiny Dogfish shark are species with overlapping fundamental niches in the South Atlantic. As a result, the Narrowmouth Catshark occupies a realized niche that feeds on benthic fish and crustaceans, while the realized niche of the Spiny Dogfish includes feeding on pelagic school fish. This scenario BEST illustrates which species interaction
Answer:Despite the immense variety of species, these aquatic creatures generally share a similar body shape. They have elongated bodies with long tails, and their pectoral fins usually stick outward from their bodies rather than downward. While most species measure at about three feet long, they range in size from about eight inches long to over five feet long.With such a wide variety of species to choose from, you can find any number of interesting traits and adaptations. Learn more about some individual catshark species below.
The nursehound is one of the largest catshark species, with maximum lengths exceeding five feet. Their name originates from a fisherman’s tale, which depicts this species caring for its younger relatives. Despite this name, nursehounds do not offer any parental care.
Despite the unappealing name, people actually eat this species as food! They are popular in England, Germany, Italy, and France.
You can find various Cat Shark species in oceans nearly worldwide. The different species live in tropical and temperate oceans. Each species has its own unique range and distribution. Some species live across entire oceans, while others only live in a single small region.
These sharks are carnivores, which means that they eat other animals. Their diet generally depends on two primary factors, their size and their location. Smaller species usually feed on small fish, squid, crabs, and other invertebrates. Larger species can fit larger fish and other prey in their mouths.
Species living in different areas eat different prey, depending on what is abundant near them. Regardless of species, these sharks mostly eat other benthic organisms rather than traveling up the water column for food.
Human interaction varies drastically from species to species. Those with large populations and wide distributions generally do not suffer as heavily from overfishing and bycatch. However, species that live in small regions decline swiftly due to human impacts.
Some of the primary threats to these creatures include overfishing of their populations or their prey, bycatch in nets aimed at other species, pollution of their waters. In addition, climate change impacts temperatures, reducing egg viability, as well as negatively affecting their prey species.
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