Answer:
Running, a natural extension of walking, involves increased velocities, joint range of motion, forces, muscle activity, joint moments, and joint powers as compared with walking.
dinosaurs (aside from the lineage that produced birds) were extinct by the end of the ______.
dinosaurs (aside from the lineage that produced birds) were extinct by the end of the Cretaceous period,
The Cretaceous geological epoch lasted around 145 to 66 million years ago (Mya). It is the Mesozoic Era's third and last phase, as well as the longest. It is the longest geological epoch in the Phanerozoic, lasting approximately 79 million years. The word is derived from the Latin creta, which means "chalk," which was plentiful in the later part of the era. It is frequently abbreviated K, from the German word Kreide.
The Cretaceous epoch had a relatively warm climate, which resulted in high eustatic sea levels and numerous shallow inland seas. These oceans and seas were home to now-extinct marine reptiles, ammonites, and rudists, while dinosaurs ruled the land.
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The part of the brain that "sounds the alarm" when stress is present is called the:
A.vasopressin.
B.oxytocin.
C.hippocampus.
D.cerebral cortex.
The part of the brain that "sounds the alarm" when stress is present is called vasopressin. Here option A is the correct answer.
The hypothalamus is the part of the brain that "sounds the alarm" when stress is present, it triggers the release of hormones such as corticotropin-releasing hormone (CRH) and arginine vasopressin (AVP) that activate the hypothalamic-pituitary-adrenal (HPA) axis, leading to the release of adrenaline and cortisol, which help the body respond to stress.
Vasopressin also known as Antidiuretic Hormone (ADH) is released by the hypothalamus and acts on the kidney to retain water and regulate the body's fluid balance.
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The subunits (monomers) in cellulose are linked together by __________.
A. ionic bonds
B. peptide bonds
C. phosphodiester linkages
D. ester linkages
E. glycosidic linkages
Glycosidic bonds, as opposed to the glycosidic bonds present in glycogen and starch, are used to connect the glucose units in cellulose.
A connection between two monosaccharide units known as a glycosidic bond is made when a water molecule is lost. An oxygen atom makes up this connection.
For instance, a glycosidic bond connects the two monosaccharide units of glucose and fructose in the molecule of sucrose.
A glycoside is held together by a covalent bond known as a glycosidic linkage. A sugar molecule with a ring structure that is joined to another molecule is called a glycoside. One water molecule is generated during the synthesis of a glycoside when a glycosidic bond is created via the condensation reaction. So, an alcohol group or OH from a molecule assaults the surface of a molecule, causing the condensation event to occur.
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Was your conclusion that the frequency of the beak types will change? was your reason that natural selection favors organisms better adapted to the environment they live in?
When the type of food changes, the beak type also changes in order to survive in changing conditions. This is called as adaptation.
Natural selection refers to the process in which the species tend to adapt certain changes which helps them survive in the changing environment and the ones who survive are called as naturally fit (The concept of survival of the fittest). Natural selection does not favor superior traits, but it favors the adaptations in the trait. This enables better survival and reproduction compared with other members of the species, leading to evolution. The competition among the species is also affected by natural selection. Natural selection also favors the reproduction of species which are better evolved in the environment.
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Answer: Yes , Sort Of
Explanation: Took The Assignment
Our ability to see action in movies, rather than a series of static picture, is the result of _____?
a. symmetry
b. the phi phenomemon
c. good continuation
d. closure
Our ability to see action in movies, rather than a series of static pictures, is the result of (d) closure.
Literally speaking, static images are still pictures. Greeting cards, flyers, photos, slides, paintings, CD covers, comics, cartoons, charts, collages, models, dioramas, newspapers, and print ads are among them. In theatre, students may quietly sculpt or make tableaux to produce a picture of arms, heads, legs, and trunks that appears to be in a freeze-frame.
Many of these static graphics communicate by combining verbal and visual cues. Despite the significance of this link, we may study the language and meaning of all the visual and verbal components found in a variety of modes of communication by separating apart the non-verbal characteristics of static pictures.
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Help guys which is the correct answer?
The image that shows a hypotonic reaction is option 1.
What is a hypotonic reaction?A hypotonic reaction is one that contains a lower concentration of solute than other solutions, as measured across a semipermeable membrane. This solution has a lower solute concentration and a higher total water movement in the cell. This causes swelling to break down. Option 1 depicts lower solute concentration.
Hypotonic solutions have a lower concentration of dissolved solutes than blood. 0.45% Normal Saline (0.45% NaCl) would be a hypotonic IV solution. When hypotonic IV solutions are infused, the concentration of dissolved solutes in the blood decreases when compared to the intracellular space.
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In the condition known as ________, the wall of an artery becomes thicker and stiffer. 161)A) arthritisB) multiple sclerosis C) arteriosclerosisD) atherosclerosis E) stenosis
In the condition known as arteriosclerosis the wall of an artery becomes thicker and stiffer. Correct option (c).
Arteriosclerosis is the thickening, hardening, and stiffening of arterial walls. This process gradually lowers blood flow to organs and tissues, which can lead to major health problems caused by atherosclerosis, a kind of arteriosclerosis caused by the deposition of fatty plaques, cholesterol, and other substances in and on artery walls. Smoking, a bad diet, or a number of inherited factors can all contribute to it.
Atherosclerosis is the major cause of coronary artery disease (CAD) and stroke, and it is influenced by both genetic and environmental factors. In genetic-epidemiologic studies, a complete set of genetic and non-genetic risk factors for CAD has been identified. Such studies, however, show that family history is the most important independent risk factor.
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explain what a tumor is.
A tumor is a mass of abnormal cells that grows in the body. Tumors can be benign, meaning they are not cancerous and do not spread to other parts of the body, or malignant, meaning they are cancerous and can spread to other parts of the body.
Tumors can occur in any part of the body and can be caused by a variety of factors, including genetics, environmental factors, and certain infections. Tumors can be treated with surgery, chemotherapy, radiation, or a combination of these treatments, depending on the type and stage of the tumor.
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(Need to turn this in tomorrow morning help) Describe why CSI always looks for blood or body fluids at crime scenes: (Here's A Picture)
Answer:
i think that CSI is always looking for blood or body fluids to see who the person is that got hurt/killed
Explanation:
suppose the animals at a zoo were resting com- fortably and remained at rest while the nighttime air tem- perature dropped. if the temperature change were sufficient to cause a change in metabolic rate, what changes would you expect for an alligator and a lion?
When there is a drop in temperature in an area where the zoo is located, the temperature of the alligator will drop whereas in the case of a lion, the temperature will remain constant.
Organisms are basically classified either as endotherms and ectotherms depending on the homeostasis of temperature in their body. Endotherms are able to regulate their temperature by maintaining a steady state irrespective of the temperature of surrounding environment. Ectotherms are not able to control their body temperature themselves.
Alligators are categorized as ectotherms. Therefore, when the temperature of drops in the zoo, the alligator's metabolic rate remains the same but the temperature decreases. A lion is an endothermic organism and therefore the lions' metabolic rate will increase when the temperature drops in the zoo, but the body temperature remains unchanged.
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Compose a biological hierarchy for a coral reef as the ecosystem, a fish as the organism, its stomach as the organ, and DNA as the molecule. Include all levels in the hierarchy and start from the higher level of biological organization. Drag the appropriate labels to their respective targets. Reset population, a group of fish of the same species biosphere organelle, the nucleus community, a collection of reef animals and algae ecosystem of a coral reef organ, the stomach of the fish molecule, a DNA double helix cell, one cell from the tissue tissue, a group of similar cells from the stomach organism, one fish
The biological hierarchy for a coral reef as the ecosystem will be:
Molecule: DNAOrganelle: NucleusCell: One cell from the stomach tissueTissue: A group of similar cells from the stomachOrgan: The stomach of the fishOrganism: One fishPopulation: A group of fish of the same speciesCommunity: A collection of reef animals and algaeEcosystem: Coral reefBiosphere: Earth's sum of ecosystemsWhat is the ecosystem?All the organisms and the physical setting they interact with make up an ecosystem. The nutrient cycles and energy flows connect these biotic and abiotic elements.
The molecule found inside cells that carries the genetic material necessary for an organism to develop and function. This knowledge can be passed down from one generation to the next thanks to DNA molecules.
A polymer made of two polynucleotide chains that coil around one another to form a double helix is called deoxyribonucleic acid. All known organisms and many viruses contain genetic information in the polymer that is necessary for their development, operation, growth, and reproduction. Nucleic acids include ribonucleic acid and DNA.
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Which of the following would happen if the wavelength of this wave was reduced by half?
A.
The amplitude of the wave would decrease.
B.
The amplitude of the wave would increase.
C.
The frequency of the wave would decrease.
D.
The frequency of the wave would increase.
The frequency of the wave would increase if the wavelength of this wave was reduced by half. That is option D.
What is a wave?A wave is defined as the type of disturbance that has the ability to transfer energy progressively from one place to another.
The properties of a wave include the following:
Amplitudefrequency,wavelength andperiodWhen there is a change in one property there will be an effect in another property. When there is decrease in wavelength the frequency of the wave increases by doubling.
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if it were not for air resistance, why would it be dangerous to go outdoors on rainy days?
If there were no air resistance, the only force acting on raindrops as they dropped would be the gravitational force of the Earth, causing them to gain around 10 m/s every second.
Raindrops fall from far away, so when they reach our level, they go incredibly fast. Without the damping effect of air resistance, raindrops hit the ground at the speed of a high bullet. With air resistance, the acceleration during the fall is less than the gravitational force. How much the object slows down depends on the surface and speed of the object.
If there is no air resistance, only gravity will act after releasing the object. Gravity is proportional to the mass of an object. The more mass an object has, the greater the gravitational pull.
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How long does it take for the immune system to provide protection by producing disease-specific antibodies and memory cells?
Answer:
The immune system has special cells (known as B cells) that make the antibodies. It takes time for your body's immune system to recognise the pathogens that can make you ill. This could take a week, or sometimes as long as 3 weeks.
Explanation: I Took A Test And it Was Correct. Nah Im lying I Looked It Up For You Big Dawg.
What is the best assessment to assess muscular endurance?
According to Bell, the pushup test is one of the greatest techniques to measure upper-body endurance, particularly in the muscles of the chest and shoulders.
The most frequent calisthenic-type muscular endurance tests employed by fitness experts are the curl-up and push-up.
Many tests assess upper and lower body muscle endurance, such as the number of pushups, squats, and situps that a person can perform. A person can work with a fitness coach to test muscle endurance or keep note of how many repetitions of a certain activity they can complete before becoming fatigued.
The Oxford Scale was created. The Oxford Scale is the most often used metric for calculating muscular strength (AKA Medical Research Council Manual Muscle Testing scale).
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General Concept Which macromolecules are insoluble in water Which group of molecules are insoluble in water? O Polysaccharides O Polypeptides O Carbohydrates O Lipids O Proteins
According to the given statement Lipids group of molecules are insoluble in water.
What is macromolecules in the body?A macromolecule is any molecule that is extraordinarily large. They can be organic materials like sugars and natural fibers or synthetic materials like plastics, synthetic fibers, even adhesives (like cotton). Lipids, proteins, nucleic, and carbohydrates are the four primary macromolecules found in living things.
What other names have macromolecules had?Polymers are another name for macromolecules. They are produced when molecules like carbon, hydrogen, and oxygen are polymerized. Macromolecules are made up of monomers, which are polar in nature and have distinct physical and chemical characteristics in their heads and tails.
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the greater sciatic notch is part of the _______________.
The greater sciatic notch is part of the hip bone, also known as the coxal bone or the os coxae. It is located at the top of the femur, and is a wide, U-shaped opening that provides passage for the sciatic nerve.
The greater sciatic notch is located between the ischial spine and the ischial tuberosity.
The greater sciatic notch is located between the ischial spine and the ischial tuberosity. The greater sciatic notch is a wide, U-shaped opening that provides passage for the sciatic nerve and is located at the top of the hip bone, also known as the coxal bone or the os coxae.
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Identify the level of organization shown by each image in the left column of the chart. Use the
terms: tissue, ecosystem, organism, molecule, community, and organ. Then identify the level
below (smaller) it and the level above (larger) it. Some images are on the next page.
Level Below It Level Above It
Answer: molecule, tissue, organ, community, ecosystem
Explanation:
Condensation is when a gas to become a liquid
Answer:
true
Explanation:
Find all of the plural or possessive errors. Select each one and type it correctly.
Mooses' fur grows darker as they grow older. While mature moose have dark,
brown coats, calves have light brown fur.
Answer: Moose's fur grows darker as they grow older. While mature moose have dark, brown coats, calves have light brown fur.
Explanation:
In the original sentence, "mooses" is the plural form of "moose," but it is not a correct plural form. The correct plural form of "moose" is "moose." The possessive form of "moose" is "moose's." Therefore, the correct sentence should be "Moose's fur grows darker as they grow older. While mature moose have dark, brown coats, calves have light brown fur."
Which of the following statements about epinephrine are true? Check all that apply. View Available Hint(s) O Epinephrine binds to a receptor on a cell's surface. O The body's response to epinephrine takes several hours. O Epinephrine decreases blood flow to the digestive system.O Epinephrine decreases the amount of glucose available to the body.O Epinephrine decreases blood pressure and respiratory rateO Epinephrine is carried through the bloodstream to many different types of cells
The statement is true about epinephrine:
Epinephrine binds to a receptor on a cell's surfaceEpinephrine decreases blood flow to the digestive system.Epinephrine is carried through the bloodstream to many different types of cells.Epinephrine is a drug to treat very serious allergic reactions (anaphylaxis) due to insect bites, consumption of food or drugs, or exposure to other substances.
Pharmacologically, epinephrine or adrenaline works by stimulating the sympathetic nerves via alpha and beta-adrenergic receptors. This drug has a rapid onset and short duration of action when administered parenterally or intraocularly.
Its action on alpha-1 receptors causes vasoconstriction making it the drug of choice when hypotension due to septic shock occurs, especially because of its rapid onset (less than 5 minutes). Meanwhile, its action on beta receptors causes relaxation of bronchial smooth muscles, so this drug can also overcome tightness, wheezing, and bronchospasm in anaphylaxis.
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Your first big biology exam is coming up in a few days, and in order to prepare for late-night study sessions, you buy a box of yummies, a delicious type of snack cake. After checking out the nutrition facts label on the side of the box, you discover that a single yummie cake contains 4. 5 grams of total fat, 27 grams of carbohydrate, 0 grams of fiber, and 1 gram of protein. The ph of the stomach is extremely acidic (~ ph 2). If you ate a yummie cake, what do you think would happen to the protein that you ingested as it passes through the stomach?.
The acidic environment would cause the protein to become denatured.
Because of the abundance of protons under acidic conditions, the ionizable groups of amino acids in proteins get ionised. This scenario led to the protein being denatured, unfolded, and losing its original structure. The stomach's acidic environment will cause the proteins to become denatured once the Yummie cake has passed through.
Stomach acid must be highly acidic to digest anything from tough, fibrous vegetables to meat. To prevent disease or other health issues, your body is made to endure normal amounts of stomach acid. These systems might not always function as intended, though. Low- or high-acidity gastric liquid consumption may result in extra health issues.
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taphylococci are catalase-positive, gram-positive cocci that resemble other bacteria and are members of this family. a. micrococcaceae b. enterococcus c. streptococcaceae d. staphylococcaceae
Staphylococci are catalase-positive, gram-positive cocci that resemble other bacteria and are members of this family is streptococcaceae.
The Gram stain test, which has been used for millennia to easily divide bacteria into two categories based on the makeup of their cell walls, only reacts favorably on gram-positive bacteria. Bacteria that respond positively to the test are those that are classified as gram-positive. Gram-positive bacteria are visible as purple under an optical microscope due to their absorption of the crystal violet dye used in the test. This is due to the stain's persistence in the substantial peptidoglycan layer of the bacterial cell wall, which is present even after the stain has been removed from the rest of the sample during the test's decolorization phase.
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When a foreign substance invades the body, the body will __________.
Select one:
A. protect itself
B. go on alert
C. attempt to inactivate the foreign substance
D. All of these answers are correct.
Aldosterone antagonist drugs prevent aldosterone from having an effect at its receptors. As a result __________.
Aldosterone antagonist drugs prevent aldosterone from having an effect at its receptors. As a result more urine will be produced.
Aldosterone antagonists are diuretics or “water pills.” They will also be referred to as aldosterone receptor blockers. Aldosterone antagonists include: Eplerenone (Inspra) Spironolactone (Aldactone). Aldosterone is a mineralocorticoid, that is a steroid hormone that regulates salt balance. The drug magnificence is consequently additionally referred to as mineralocorticoid receptor antagonists (MRAs). Aldosterone antagonists are an critical pharmacologic remedy withinside the neurohormonal blockade essential withinside the remedy of systolic coronary heart failure. These pills were proven to lower mortality and decrease medical institution readmission rates.
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The lack of success in identifying a single gene responsible for schizophrenia likely suggests that ______.
The lack of success in identifying a single gene responsible for schizophrenia likely suggests that polygenic,
A huge number of genes have been linked to the development of schizophrenia, and many of them appear to overlap with those linked to bipolar illness.
According to research, schizophrenia is caused by a shift in the levels of two neurotransmitters: dopamine and serotonin.
Excess dopamine (a neurotransmitter in the brain) is hypothesised to play a role in schizophrenia. Hallucinations, delusions, and racing thoughts are examples of hallucinations.
That is, a person encounters something that does not actually exist (except in their mind). Deletions or duplications of genetic material in any of many chromosomes are also considered to raise the risk of schizophrenia. A minor loss (microdeletion) on chromosome 22 termed 22q11, in particular, may be involved in a small percentage of instances of schizophrenia.
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Is Saccharomyces cerevisiae Gram-positive or Gram-negative? Research and describe the composition of yeast cell walls. How does the composition compare to the cell walls of Gram- positive or Gram-negative bacteria?
A layer of glucosamine, beta-glucan, and mannoproteins makes up the cell walls of yeast and other fungus. The major stain crystal violet is retained by the fungal cell wall because it is thick and stiff.
What disease does Saccharomyces cause?S. cerevisiae, however, has been linked to serious opportunistic infections in people with cancer, chronic illnesses, and immunosuppression. There have been reports of esophagitis, endocarditis, asthma, pancreatitis, urinary infections, and skin infections.
Saccharomyces: Is it good or bad?Despite being a form of yeast, Saccharomyces boulardii functions as a probiotic. According to some studies, it is effective in both treating and preventing antibiotic-induced diarrhea as well as traveler's diarrhea. Additionally, it could help with acne treatment and lessen the negative effects of antibiotic therapy for H.
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why does the body produce both types of cells?
May this help you ,
the body produce both type of cell due to their condition like blood clotting factor produce both cell coagulant blood cell and anticoagulant blood cell .coagulant blood cell help to clott the blood and anticoagulant cell help to reduce coagulation of blood .
Which term describes how the nervous and endocrine systems work together to create balance within the human body?.
Homeostasis, the physiological balance of the body's systems, is achieved when the two systems cooperate to sustain essential physical processes.
A biological system's tendency to retain stability while responding to environmental factors that are best for survival is known as homeostasis. If homeostasis is achieved, life goes on; if it is not, tragedy or death results. The stability obtained is actually a dynamic equilibrium, where circumstances are mostly uniform yet change is constant.
Any system that is in dynamic equilibrium will eventually establish a stable balance that is resistant to external pressures of change. When such a system is upset, built-in regulatory mechanisms react to the deviations to restore equilibrium; this is an example of feedback regulation.
Examples of homeostatic control include all integration and coordination activities, whether they are carried out by electrical circuits, neurological systems, or hormonal systems.
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After heavy exercise, if energy reserves in a muscle are depleted, ________ occurs.
A. treppe
B. paralysis
C. atrophy
D. tetanus
E. an oxygen debt
Without ATP, Myosin heads can't disconnect from the actin-restricting destinations. All of the "stuck" cross extensions bring about muscle solidness.
The muscle would display isotonic constriction. The muscle would display isometric constriction. The muscle would unwind and protract as a result of powerlessness to support actin-myosin cross extensions.
The muscle activity potential triggers a succession of activities that eventually bring about the constriction and unwinding of the muscle fiber. This arrangement is known as the excitation-constriction unwinding cycle.
At the point when ATP runs out, the sarcomere successfully stalls out in the step of the cross-span cycle where myosin heads are bound to actin. Without even a trace of ATP, the myosin heads can never again disconnect from actin, and subsequently, the sarcomere in general is trapped in this contracted state.
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