Answer:
The inertia keeps the planet moving, and the gravity balances the inertia, so planets move in an orbital motion
Explanation:
Why is competition considered to
be a density-dependent factor?
A. The more individuals there are in an area, the
more competition there will be for resources.
B. It isn't affected by the amount of individuals
or resources in an area.
C. Competition is a density-independent factor.
Competition often has a density-dependent effect, meaning that as population densities rise, so does competition, hence option A is correct.
What is a density-dependent factor?This is because rivalry typically intensifies as the population increases or as resources decline.
Population density has little impact on intraspecific competition, which happens when individuals of the same species fight with one another for resources like food and space.
Therefore, all species populations in the same habitat will be affected similarly, regardless of size. Some of the contributing elements are the weather, the environment, and natural disasters.
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Answer: A. The more individuals there are in an area, the more competition there will be for resources.
Which of the following is true about digestive enzymes?
O An eryme can only be used one time
O Mont entrymes are produced by the liver
O Enzymes that work in the acie ewronment of the stomach cannot work in the basic or a nine environment of the small intestine and ce
O Erametro independent on min
The following is true about digestive enzymes: enzymes that work in the acid environment of the stomach cannot work in the basic or alkaline environment of the small intestine, and vice versa that is the third option.
What is the significance of the digestive enzyme in the stomach?There are different digestive enzymes, some of which work in the neutral pH, such as the salivary amylase, while others, like pepsin, work in the acidic environment, and the digestive enzymes in the small intestine work in the alkaline pH. If the pH is altered, they can't work.
Hence, the following is true about digestive enzymes: enzymes that work in the acid environment of the stomach cannot work in the basic or alkaline environment of the small intestine, and vice versa that is the third option.
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About ____________________ percent of the world's major terrestrial ecosystems are either being used unsustainably or are being degraded.
Sixty percent of the world's major terrestrial ecosystems are either being overused or deteriorating.
A terrestrial ecosystem is a population of land-based species and the relationships between biotic and abiotic elements in a specific space. The tundra, taigas, temperate deciduous woods, tropical rainforests, grasslands, and deserts are a few examples of terrestrial ecosystems. A location's temperature range, average annual precipitation, soil type, and amount of light all affect the sort of terrestrial ecosystem that can be found there.
Use these materials to pique students' interest in terrestrial ecosystems and show them how various abiotic and biotic factors affect the types of plants and animals that might be found in a given area.
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Which kind(s) of mechanism(s) require(s) a carrier molecule to get nutrients across the intestinal cell membrane
The mechanism that require a carrier molecule to get nutrients across the intestinal cell membrane is absorption mechanism.
The maximum not unusual place mechanism of absorption for tablets is passive diffusion. This system may be defined via the Fick regulation of diffusion, wherein the drug molecule actions in keeping with the attention gradient from a better drug attention to a decrease attention till equilibrium is reached. Absorption is the motion of a drug from its web website online of management to the bloodstream. The rate and quantity of drug absorption rely on more than one factors, such as: Route of management. The system and chemical houses of a drug. Drug-meals interactions.
Thus, the mechanism is termed as absorption mechanism.
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Bios 1053 Course Home
Extracellular signaling molecules induce cells to undergo the process of transcription and make new proteins, transcription factors induce DNA to do so.
The answer is seen in the picture.
Cell signaling with intracellular receptors:
Reception
Signal molecules (ligands) diffuse across the target cell's plasma membrane.Ligands bind to intracellular receptors present in the cytoplasm.Transduction
The ligand-receptor complex enters the nucleus, binds to DNA, and determines whether a gene is active or inactive.In the example the gene is activatedCell response
Transcription and translation (protein synthesis) occur until a new protein is formed.Your question is incomplete but most probably your full question was:
Assignment 15: Gene regulation
Figure walkthrough: A cell-signaling Pathway that turns on a gene.
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how did the air temperature of the enhanced greenhouse affect glass compare to the regular greenhouse air temperature?
Answer:
it went down to -18°C
Explanation:
The food web illustrated here exists in Yellowstone National Park.
If moose were to go extinct, what would be the two most likely effects on the
ecosystem?
A. A decrease in biodiversity
B. A decrease in the snowshoe hare population
C. An increase in the raven population
D. An increase in biodiversity
Answer:
A. A decrease in biodiversity
B. A decrease in snowshoe hare population
Explanation:
You want to know two effects on the ecosystem shown if the moose were to go extinct.
Food webThe moose is shown as being a food source for the gray wolf and the raven in the illustration. If the moose were to go extinct, both of these animals would lose a food source. This puts pressure on alternate sources.
For the gray wolf alternate food sources are shown as being the snowshoe hare and the beaver. We can expect both of these populations to decrease if the moose goes extinct.
The raven is not shown as having an alternate food source, so the possibility exists that the raven population would also decline to extinction.
BiodiversityBiodiversity is a measure of the number of different species supported by an ecosystem. Losing even one species (moose) decreases biodiversity.
The most likely effects are ...
a decrease in biodiversitya decrease in the snowshoe hare populationBiological structures tend to be composed of smaller units that assemble into more complex structures. Using eukaryotic chromosomes as an example, a) describe the smaller units and their assembly that leads to the larger, more complex structure of a chromosome. b) Identify one major function of chromosomes.
A) An inner membrane of a mitochondria is formed of a phospholipid bilayer, with the hydrophobic tails facing in and the hydrophilic heads pointing outward.
The highly folded inner membrane is occupied by many closely related proteins that form electron transport chains. These proteins are also embedded inside this lipid bilayer. A larger chemiosmotic gradient is produced by the increased surface area that the folded bilayer creates by allowing more electron transport chains to be present. In order for the mitochondria to produce ATP, which is then utilised by the entire cell, this gradient is required.
b. an enzyme – A polypeptide chain, which is created when amino acids combine to form an enzyme, is what makes up an enzyme. A carboxyl group, a R group, a carbon atom, and an amino group are the building blocks of these amino acids. When a protein folds upon itself in a certain way, according to its purpose, the enzyme is created. Because they operate as catalysts for several reactions, enzymes quicken cellular chemical processes.
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What is cardiorespiratory endurance and why is it the most important component?
Cardiorespiratory endurance is the ability of the body to sustain physical activity over a long period of time. It is the most important component of physical fitness because it affects a person's overall health, performance and well-being.
Cardiorespiratory endurance is the ability of the heart and lungs to work together to provide the body with oxygen and energy. It is important because it enables the body to perform activities for longer periods of time, such as running, swimming, and biking. When the heart and lungs work together efficiently, the body can utilize oxygen more efficiently and maintain physical performance for longer periods of time.
Cardiorespiratory endurance is important for a variety of reasons. One of the most important is that it helps to reduce the risk of heart disease and stroke. When the heart and lungs are working together efficiently, they can provide the body with an adequate supply of oxygen, which helps to reduce the strain on the heart. In addition, cardiorespiratory endurance can help to improve overall physical performance, as it allows the body to work harder and longer without becoming fatigued.
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Explain why this change in DNA would lead to a change in the trait.
Answer:
A trait is a feature that an organism has. Traits can be observable, for example, eye color, hair texture, height are traits. We inherit our traits from our parents through our DNA. DNA stands for deoxyribonucleic acid and is our genetic material.
Explanation:
Hope this helped you! Brainliest if possible, and sorry if it is wrong. I also answered first!
the organ that makes estrogen and progesterone is the __________.
The organ that makes estrogen and progesterone is the ovaries.
The ovary is a female reproductive system organ that produces an egg. When this is discharged, it goes down the fallopian tube into the uterus and may be fertilised by a sperm. Each side of the body has an ovary (from Latin ovarium, 'egg, nut').
The ovaries also produce hormones that influence the menstrual cycle and fertility. The ovary goes through various phases, beginning in the perinatal period and ending with menopause. Because of the many hormones that it secretes, it is also an endocrine gland.
The ovaries are referred to as the female gonads. Each ovary is pale in colour and is positioned beside the uterine lateral wall in a location known as the ovarian fossa. The ovarian fossa is the area in front of the ureter and the internal iliac artery that is limited by the external iliac artery. This section is approximately 4 cm x 3 cm x 2 cm in size.
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What type of marine science work would be nearly impossible without the use of ROVs?
The type of marine science work which would be nearly impossible without the use of ROVs is exploration.
What is Exploration?Exploration is referred to as the activity of finding oil , gas or other substances and it consists of different types of operations such as aerial surveys which are needed to ensure that the process is successful.
ROV on the other hand is known as remotely operated vehicle and it is used under water for various types of activities. This is because of its ability to stay underwater much longer than a human diver or other machines available.
The use of this type of vehicle is however important because it stays underwater much longer than a human diver and increases the time which is needed for the success of the exploration activities by the trained professionals thereby making it the correct choice.
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correctly identity the following parts of a synovial joint.
Articular cartilages
Joint capsule
Middle phalanx
Proximal phalanx
Periosteum
Fibrous capsule
Ligament
Joint cavity containing synovial fluid
Synovial membrane
Identification of the parts of the synovial joint are as follows articular cartilage, joint capsule, ligaments, joint cavity filled with synovial fluid, and synovial membrane.
Synovial joints are joints that can be moved freely, allowing us to do flexion, extension, and abduction. Examples of synovial joints include the joints in the wrists, elbows, knees, and shoulders.
Normal synovial joints provide a significant amount of movement due to their very smooth surface. These joints are composed of articular cartilage, subchondral bone, synovial membrane, synovial fluid and joint capsule. The ends of bones that touch other bones in the synovial joints are covered with articular cartilage which is lubricated by synovial fluid. This fluid is formed from ultrafiltration of serum by the cells that form the synovial membrane, which functions to flex the joint under pressure without causing injury.
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_______ is the term for the total complex of plant and animal life in an area.
A) Ecosystem
B) Flora
C) Ecotone
D) Fauna
E) Biota
Biota is the term for the total complexity of plant and animal life in an area.
The term "biota" refers to all living things (bacteria, fungi, plants, and animals) that exist in a certain region. The global biota, marine biota, terrestrial biota, biotas of forests, bogs, lakes, etc. are a few examples. Biosphere refers to the biota as well as its surroundings, which includes the reservoirs of inorganic and organic materials that have died but are still being consumed and regenerated by life.
The concepts of disturbed (unnatural) biota and undisturbed (natural) biota are fundamentally distinct from one another. Natural biota is not a haphazard collection of living things, in contrast to disturbed biota (that of, pastures, exploited woods, and other disturbed places).
Natural biota is made up of ecological communities of biological species that are intrinsically connected, with each species having a strictly defined population density and using a strictly defined energy flow.
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Based on its location in the periodic table, what can most likely be predicted about phosphorus? it has three valence electrons. It has four valence electrons. It has five valence electrons. It has six valence electrons.
Based on its location in the periodic table, phosphorus is most likely to have five valence electrons.
A valence electron is an electron that is part of an atom's outer shell and can help form a chemical bond if the outer shell is not closed. A shared pair is formed when both atoms in a covalent bond contribute one valence electron to the bond.
The number of valence electrons an element possesses is proportional to its group number. This indicates that phosphorus has five valence electrons that participate in bonding because it is on group number 5. It also indicates that it requires three additional electrons to complete its valency.
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Answer:
c. 5 valence electrons
Explanation:
just took the test on edg
Plasmids have been found in all of the following types of cells EXCEPT View Available Hint(s) O fungal cells O protozoan cells O prokaryotic cells animal cells
All of the cells listed below, with the exception of animal cells, include plasmids. The best way to describe bacterial plasmids is as small, circular Strands of DNA with the capacity for spontaneous replication.
Plasmids are what?a tiny, circular, double-stranded DNA molecule with the ability to replicate on its own without the help of its bacterial Chromosome. Plasmids are regarded as vectors when they are used in scientific inquiry. since transposon genes frequently give bacteria natural advantages
What types of cells include plasmids?Both bacterial and certain eukaryotic organisms normally contain plasmids. Plasmids commonly carry genes that give microorganisms good traits like antibiotic resistant bacteria.
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what "clot buster" enzyme removes unneeded clots after healing has occurred during fibrinolysis?
"Clot buster" enzyme that removes unneeded clots after healing has occurred during fibrinolysis is called plasmin.
What is the function of plasmin?Blood clot fibrinolysis and the restoration of regular blood flow are the primary physiological functions of plasmin. By converting its zymogen plasminogen by fibrinolytic activators in the presence or absence of fibrin, plasmin is a key fibrinolytic protease.
Clot retraction reduces the size of the clot as healing proceeds, and plasminogen is activated into plasmin that breaks down the fibrin in the clot.
An essential enzyme called plasmin, which is found in blood, breaks down a variety of blood plasma proteins, including fibrin clots. The term "fibrinolysis" refers to the breakdown of fibrin.
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Which options correctly identify a section or part of a typical laboratory report?
(Select all that apply)
acknowledgements
procedure
materials
objective
Procedure, materials and objective identify a section or part of a typical laboratory report. So, the correct option is (B), (C) and (D).
What is Laboratory report?A laboratory report is divided into eight sections: title, abstract, introduction, methods and materials, results, discussion, conclusions, and references.
These are written to describe and analyze a laboratory experiment which explores a scientific concept that is typically assigned to enable us to conduct scientific research. These helps us to formulate a hypothesis/hypotheses about a particular stimulus, event and/or behavior.
Thus, Procedure, materials and objective identify a section or part of a typical laboratory report. So, the correct option is (B), (C) and (D).
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Which of the following could both a eukaryotic and a prokaryotic cell share/contain :
1- Nucleus
2- Golgi bodies
3- Endoplasmic reticulum
4- Cell membrane
5- Any membrane-bound organelle
The following which both eukaryotic and a prokaryotic cell share/contain is the cell membrane and is thereofre denoted as option 4.
What is a Prokaryote?These are the types of organisms whose cells lack a nucleus and other membrane bound organelles. Eukaryotes on the other hand are organisms which have a nucleus and other membrane bound organelles.
Examples of membrane bound organelles are nucleus, golgi bodies, endoplasmic reticulum etc and is therefore the reason why only cell membrane was chosen as the correct choice as it helps to provide structural integrity to cells.
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Tsetse flies feed by piercing the skin with their mouthparts and _____. a. to suck the blood of animals and humans b. sucking the blood of animals and
Tsetse flies feed by piercing the skin with their mouthparts and sucking the blood of animals and humans.
Thus, the correct answer is B.
In sentence a, to suck аnd piercing аre not pаrаllel in grаmmаticаl construction. Pаrаllelism is the mаtching of the forms of words, phrаses, or clаuses within а sentence. Words, phrаses, аnd clаuses in а series should be pаrаllel in grаmmаticаl construction.
Pаrаllelism, or pаrаllel structure, is а wаy of providing bаlаnce to sentences or clаuses by using а similаr grаmmаticаl structure. Pаrаllelism often аppeаrs with verb forms. Mixing verb forms sounds unnаturаl to nаtive English speаkers аnd аffects the reаdаbility of а sentence. А common pаrаllelism mistаke is mixing gerunds with infinitives.
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Plants which survive seasonal climatic fluctuations from year to year are ________.A) succulentsB) xerophytesC) perennialsD) annualsE) epiphytes
Plants which survive seasonal climatic fluctuations from year to year are Perennials.
Perennials are plants that will thrive for many growing seasons.Because a typical perennial has a life span of slightly more than two years. These plants will survive any season and will be alive year in and out. Now most of them are herbaceous and their shoot system tends to die every autumn and winter,leaving the root system intact. During spring and summer, the shoot grows again from the root and this process continues for a long period.Perennial plants regrow every spring, while annual plants live for only one growing season, then die off. Perennials generally have a shorter blooming period compared to annuals, so it's common for gardeners to use a combination of both plants in their yard.
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Most animals living in the
----- migrate or hibernate during the winter
Most animals living in the tundra biome migrate or hibernate during the winter.
What is the type of tundra biome?The tundra biome is a region of high altitudes in the north of the world or the south (poles) that is characterized by the presence of ice and it is too cool throughout the year. This type of climate is very extreme and thereby animals have developed a series of adaptations to survive in the extreme winter conditions such as for example hibernation which allow them to save energy that is obtained in the better climatic conditions of other seasons (i.e. autumn, spring and summer).
Therefore, with this data, we can see that the tundra biome is characterized by extremely cold conditions during winter and therefore animals have developed the ability to hibernate in order to store energy for use in the coming most benign months of the year.
Complete question:
Fill in the blank. 'Most animals living in the ----- migrate or hibernate during the winter.
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50 points please help asap I am taking my final!! No absurd answers I will report!
Explain why the following scenario might result in a cattle herd with improved resistance to cold.
A farmer noticed that many of his cows were suffering through the winter. He begins a breeding program choosing parents with longer or thicker fur and a thicker fat layer on the torso. After a number of generations, he notices that the cattle seem better adapted to the cold.
Answer:
This scenario will result in a cattle herd with improved resistance to cold because of natural selection. As the parents have thicker fur and a longer torso, they will also pass down these traits to the next generation. This is a form or natural adaptation method those new cows will be born with.
Explanation:
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Discuss two career options in marine science that one might consider, and the education needed to enter into these careers. explain whether you would be interested in pursuing one of these careers and why.
Aquaculturist, Coastal zone manager are the two career options in marine science that one might consider.
Aquaculture is the practise of producing healthy fish, lobsters, crabs, and other seafood for human consumption. They routinely conduct equipment repairs while collecting and analysing data on the environment, production, and growth.
The goal of coastal zone management is to maintain harmony among human, economic, environmental, and health-related activities. The National Coastal Zone Management Project and the National Estuarine Research Reserve System are the two primary programmes that make up the Coastal Zone Management Act.
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Contraction of the diaphragm results in a(n)
O increase in the volume of the thoracic cavity and an increase in intrapulmonary pressure.
O increase in the volume of the thoracic cavity and a decrease in intrapulmonary pressure.
O decrease in the volume of the thoracic cavity and an increase in intrapulmonary pressure.
O decrease in the volume of the thoracic cavity and a decrease in intrapleural pressure.
O decrease in the volume of the thoracic cavity and a decrease in intrapulmonary pressure.
Contraction of the diaphragm results in a increase in the volume of the thoracic cavity and a decrease in intrapulmonary pressure.
What is the main organ in the thoracic cavity?The primary respiratory and circulatory organs are located in the thorax, which is also referred to as the chest. Each of the body's organs receive oxygenated blood via the aorta, the heart's main road. The lungs remove carbon dioxide from the body and deliver oxygen to the cells.
What is the thoracic cavity?The third hollow space in the body is the thoracolumbar cavity, also known as the chest cavity. The stern, or breastbone, the spinal column, and the ribs encompass it. The abdomen, a muscular and membrane wall, separates it from the upper abdomen, the body's biggest empty region.
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Describe the differences between how borlaug came up with a plant with the traits he wanted with how companies like monsanto get plants with the traits they want.
High-yield crop varieties were created by Norman Borlaug utilizing traditional breeding methods. Additionally, to increase crop output, agricultural biotechnology companies employ DNA recombinant technologies.
American agronomist Norman Borlaug crossed many crop types in the 1960s to create high-yield semi-dwarf crops (such as wheat and rice).
The 'Green Revolution' took place during this time, and Borlaug was awarded the Nobel Peace Prize for his contributions to reducing hunger in underdeveloped nations.
Additionally, modern agricultural biotechnology companies create genetically engineered organisms with the required properties for agriculture using DNA recombinant technologies (for example, resistance to drought or high grain yield).
Any organism (such as a plant) whose genetic makeup has been transformed via the use of DNA recombinant technology is considered a genetically modified organism.
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Full Question: Describe the differences between how Borlaug came up with a plant with the traits he wanted with how companies like Monsanto get plants with
the traits they want.
The green revolution
The author includes examples of broiler chickens whose legs can't support their bodies and dairy cows that burn out quickly. How do these examples support the author's statement that "selective breeding comes with both benefits and drawbacks"?
Answer:
The Broiler
Explanation: Since the broiler chicken is short-lived, and most development of the gut immune system occurs shortly after hatching, much avian immunology research that is commercially relevant attempts to understand a system in a state of flux.
How does meiosis reduce the number of chromosomes from 46 → 92 → 23?
During metaphase, there are 46 chromosomes made out of two sister chromatids that adjust at the metaphase plate. Then, at that point, during anaphase, these chromatids are isolated and pulled to inverse shafts of the phone.
This detachment brings about 92 separate chromatids in the phone, which are viewed as 92 chromosomes. In meiosis, a cell containing the diploid number of chromosomes is changed over into four cells, each having a haploid number of chromosomes. In human cells going through meiosis, for example, a cell containing 46 chromosomes yields four cells, each with 23 chromosomes.
The parent cell goes through one round of DNA replication followed by two separate patterns of atomic division. The cycle brings about four little girl cells that are haploid, and that implies they contain around 50% of the number of chromosomes of the diploid parent cell.
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When I was 4 years old my brother was half of my age now I'm 20 years old how old is my brother?
My brother is 18 years of age.
The question implies that the brother's age will be 2 years younger, hence he will be 18.
When I was 4 years old, my brother was 2 years old. (It is given that my brother is half my age at that time.)
Now, I am 20 years old. That means there is a gap of 2 years between now and then.
That in turn means my brother is 18 years old.
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For the following aqueous reaction, complete and balance the molecular equation and write a net ionic equation, making sure to include the physical states of the compounds: calcium hydroxide + nitric acid.
The net ionic equation of calcium hydroxide & nitric acid is written as 2OH⁻(aq) + 2H⁺(aq) → 2H₂O(l).
Net ionic equation is those reaction in which spectator ions are not involved.
Given reaction can be written in the molecular equation form as:
Ca(OH)₂(aq) + 2HNO₃(aq) → Ca(NO₃)₂(aq) + 2H₂O(l)
Complete ionic reaction for the above reaction will be written as:
Ca²⁺(aq) + 2OH⁻(aq) + 2H⁺(aq) + 2NO₃⁻(aq) → Ca²⁺(aq) + 2NO₃⁻(aq) + 2H₂O(l)
In the above equation Ca²⁺ & NO₃⁻ are the spectator ions because these two ions are present on the both sides.
So, net ionic reaction of the above reaction is written as:
2OH⁻(aq) + 2H⁺(aq) → 2H₂O(l)
Hence, the net ionic reaction is 2OH⁻(aq) + 2H⁺(aq) → 2H₂O(l).
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