Answer:
I think that the answers are A and D.
For option A, we can come to the conclusion by thinking about the effects of invasive species. For example, when an invasive species appears in a specific environment and unfortunately feed on the same kind of plant as the native species, it will lead to the fact that they have to compete more in order to survive.
For option B, we can clearly see that it's wrong. From the point above, we can also predict that there is a high chance the invasive species will win the competition, resulting in the decrease population of the native specices that couldn't compete.
For option C, it is also impossible, instead the opposite is more likely to happen, because as we know, the native species, after a long period of evolution, became almost perfectly adapted to the environment, the appearance of invasive species may help the diseases that the native species weren't immune to spread faster, decreasing the population.
And I guess option D is obviously correct, no need to explain.
How does ATP release energy that's stored within the molecule?
A. Altering number of carbon groups tied to the phosphate backbone B. Altering the total amount of kinetic energy within ATP C. Altering the number of oxygen groups revolving around the central molecule D. Altering number of phosphate groups tied to the carbon backbone
Answer:
Option (D).
Explanation:
ATP (adenotriphosphate) molecules are considered as energy currency of the cells as molecules provide energy for various cellular functions.
The energy is stored in ATPs in two high-energy phosphate bonds, known as phosphoanhydride bonds. This stored energy is released in during hydrolysis of ATP, which involves removal of terminal phosphate groups bound the carbon backbone.
Thus, the correct answer is option (D).
Answer: Option D
Explanation: Adenosine triphosphate are known as the high energy molecules of the cells which provides energy to all the living organism.
The energy is stored in the phosphate bonds of this molecule. These bonds are known as phosphoanhydride bond.
As soon as the hydrolysis of this molecule takes place the energy from the bonds is released.
The cleavage of terminal phosphate from the carbon backbone takes place to generate energy.
During the Calvin cycle:
A)Glucose and water are produced.
B)Light energy is absorbed by chloroplasts.
C)Oxygen is released through stomata.
D)All of the above.
D) All of the above
d. all of the above
TwT
Anyone have the answer???????????
Answer:
I think its Calvin
Explanation:
Sorry if it's wrong.
I’m pretty sure it’s the Calvin Cycle
the two proteins that cause muscle cells to contract are
Answer:
Myosin and Actin.
Explanation:
The two proteins myosin and actin work together to help the muscle cells relax and contract. The two proteins need each other and together they are called actomyosin. I hope this is what you were looking for and if not I'm sorry.
The two proteins that cause muscle cells to contract are actin and myosin. These proteins interlock and slide past each other in a process powered by ATP and regulated by calcium ions, troponin, and tropomyosin, which collectively result in muscle contraction.
Proteins Involved in Muscle Contraction
During muscle contraction, the myosin heads form cross-bridges by attaching to the actin filaments in the presence of calcium ions (Ca++). This process is further regulated by other proteins such as troponin and tropomyosin, which prevent myosin from binding to actin when the muscle is at rest. The release of Ca++ from the sarcoplasmic reticulum upon nervous stimulation leads to the binding of calcium to troponin, causing a change in the shape of troponin and a subsequent shift in tropomyosin position. This exposes the myosin-binding sites on actin and permits the myosin heads to bind to actin and perform a power stroke powered by the hydrolysis of adenosine triphosphate (ATP). It is the sliding of these filaments past each other, known as the sliding filament model of muscle contraction, that results in muscle shortening and generating force.
Do you think a cell also has different types of openings?
I think so but I’d double check somehow I’m pretty sure it’s yes if you can’t find anything
HELP ME WITH THIS
Elements such as nitrogen, carbon, and oxygen cannot be made or destroyed; they can only change their location by cycling through the biosphere.
true or false?
Answer:
true
Explanation:
Answer:
True
Explanation:
The gases such as nitrogen, carbon, oxygen are present in a certain amount in the atmosphere. This amount is always constant due to the gaseous cycle in our ecosystem. The gaseous cycle is coming under the biogeochemical cycle. Unlike energy and water, these gases go to the atmosphere and then come to the biosphere in a cyclic manner. This gaseous cycle includes the nitrogen cycle, oxygen cycle, and carbon dioxide cycle. This gaseous cycle justifies the given statement.
How can the environment affect population size?
please help!!!! it's about animals in the wildlife
If the environment gets polluted or treated poorly, than there will be less animals. If the environment grows a bunch of grass however, there will be more animals eating the grass which increases the population. But if they run out of grass, then the animals die.
Answer:
The environment can affect the population size by different factors. Some examples are climate, food, space, etc. If the environment lacks any of these, the population will decrease since it will not have the necessary survival needs.
What is Shakespeare's purpose behind the war of words between Mark Antony and Octavius and Brutus and Cassius at the
start of act 5 of The Tragedy of Julius Caesar?
Answer:
Shakespeare uses the war of words to show that these men of power destroyed the Republic; rhetoric has been replaced by petty insults.
Explanation:
________ adds nitrogen to the atmosphere.
Nitrogen fixation
Denitrification
I think it’s denitrification...
Denitrification is the process that converts nitrate to nitrogen gas, thus removing bioavailable nitrogen and returning it to the atmosphere.
Answer: Denitrification
A blog post published on Google by a high school student and reviewed by her friend is included as a citation in a science paper. Is this source considered a peer-reviewed paper? Why or why not?
A. This is considered a peer-reviewed paper because the variables used were reviewed by other scientists to make sure they were labeled correctly. B. This isn't considered a peer-reviewed paper because peer-reviewed papers are published only in books. C. This is considered a peer-reviewed paper because it was reviewed by a student peer. D. This isn't considered a peer-reviewed paper because it wasn't reviewed by other scientists in the field.
Answer:
the answer is d
Explanation:
Answer:
Option D, This isn't considered a peer-reviewed paper because it wasn't reviewed by other scientists in the field.
Explanation:
A paper/research article is said to be peer-reviewed when it is written by a scientist/scholar and reviewed by another expert scientists/peers of the same field before publication.
Here in this case , the blog posted by the high school student was not reviewed by any field/sector expert before publication and thus , this source of paper can not be considered as peer reviewed paper.
Is the prairie soil a biotic factor or an abiotic factor? Explain your answer.
Soil is an abiotic factor because it is not alive.
Hopefully this helped! :D
-LavenderVye
Prairie soil is a abiotic factor and whereas the prairie is a grassland and is generally found in northern and central America. Prairie grasslands are too dry to be a forest, and too wet to be a desert, so a diverse species of grasslands developed in these area.
What is biotic and abiotic factors?Biotic factors are those which are living or breath, reproduce, move, excrete and that shapes its environment. In a freshwater ecosystem, examples include aquatic plants, animals.
Abiotic factors are those which are non-living and cannot breath, reproduce, excrete, move in a ecosystem and that shapes its environment. In a terrestrial ecosystem, examples include temperature, light, and water.
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Match each excerpt with its text structure.
Smoke from factories, vehicles, and
chimneys create pollution, which can
lead to increased cases of asthma,
lung cancer, and cardiovascular disease.
When you think about intelligence,
Albert Einstein may come to mind.
But intelligence includes common
sense and social skills, too.
Buttery Bars and Nutty Bars have
several similarities. For example,
they are both covered in milk chocolate,
and they are both made by the same
candy company.
No matter where the game is played,
you'll find that there are three types
of fans: hardcore fans, front runners,
and social fans.
compare and contrast
definnson
classification
cause and effect
Final answer:
The first excerpt demonstrates cause and effect structure, the second excerpt demonstrates definition structure, and the third excerpt demonstrates compare and contrast structure.
Explanation:
The first excerpt, 'Smoke from factories, vehicles, and chimneys create pollution, which can lead to increased cases of asthma, lung cancer, and cardiovascular disease,' is an example of cause and effect text structure. It explains how pollution causes negative health effects.
The second excerpt, 'When you think about intelligence, Albert Einstein may come to mind. But intelligence includes common sense and social skills, too,' is an example of definition text structure. It defines what intelligence encompasses.
The third excerpt, 'Buttery Bars and Nutty Bars have several similarities. For example, they are both covered in milk chocolate, and they are both made by the same candy company,' is an example of compare and contrast text structure. It highlights similarities between two different products.
The fourth excerpt, 'No matter where the game is played, you'll find that there are three types of fans: hardcore fans, front runners, and social fans' is an example of classificatiin as it attempts to categorize things.
liver decreases its protein synthesis and no longer breaks down aldosterone effectively
Answer:
This statement is true
Explanation:
The liver breaks down many hormones once they have done their work in the body. These hormones are called steroid hormones. One of these hormones is aldosterone that controls the balance of sodium, potassium, minerals, and water in our body.
If the liver decreases its protein synthesis, it will not be able to break down aldosterone. These hormones accumulate in the body and can cause an imbalance of many nutrients in the body.
Question 8 options:
If the mRNA reads AGC, what will be the tRNA anticodon?
Answer:
UCG
Explanation:
In DNA, Thiamine pairs with Adenine while Cytosine pairs with Guanine. However, it is important to note that Uracil takes the place of Thiamine in RNA. Therefore the A in the mRNA will pair in U in the tRNA. tRNA uses the anticodon region to read the mRNA and a match means the specific tRNA brings in the requisite amino acid.
Describe an environmental factor that could influence natural selection and decrease genetic diversity
Answer:
Availability of sunlight.
Explanation:
Some living organisms need a lot of sunlight to survive and cannot stand living in the shade, as is the case with some plants. In this case, the availability of sunlight presents itself as an environmental factor that will influence natural selection, because with less availability of sunlight, the less adapted organisms will die and the more adapted organisms will resist and pass this trait to their descendants.
Natural selection tends to decrease genetic variability because only a few genotypes will be selected. In addition, it also contributes to the permanence of a certain characteristic in the population.
The process of being selected by the nature to survive in the current condition is called natural selection. Only those species can be naturally selected who are ready to change and adapt themselves according to environmental needs.
These are the factors that support natural selection.
ReproductionRecombinationCrossing overMutationMany species are not able to mate with the other species due to geographical barriers and also not being able to migrate to other habitats.
For example- Australia is separated from the other continents, the marsupials are only restricted to the specific landmass and are not able to mate with other animals from other countries.
Increases in temperature harm cold-blooded animals. They can not able to maintain the normal body temperature and lead to the death
Therefore, The factors which affect natural selection are geographical barriers and a rise in temperature.
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Ariel drew the cladogram shown.
Which best describes species C?
It has jaws, but no hollow bones.
It has hollow bones, but no jaws.
It has neither hollow bones nor jaws.
It has hollow bones and jaws.
Answer:
Answer: It has hollow bones and jaws. Explanation: The cladogram shows that Species C has both hollow bones and Jaws.
Answer:
It has neither hollow bones nor jaws.
Explanation:
No disrespect to the other person, but the answer is incorrect, species A and B have jaws as a similar characteristic but C does not share the characteristics of hollow bones OR jaws because it is integrated in the cladogram AFTER the characteristics hollow bones and jaws were listed.
Have a nice day! :)
what are vestigial structures?
Answer:
remnant of a structure that may have had an important function in a species' ancestors, but has no clear function in the modern species.
Answer:
Explanation:
Are structures present on modern organisms that serve no purpose.
The vestigial structure are the structures which used to play an important functional role in the body of the ancestor species. But with due to coarse of evolution the structures have been adapted by the descendants but are functionless. These structures are typically in the rudimentary and degenerative condition. Appendix, wisdom tooth and sinuses are the examples of some of the vestigial structures.
The sections of rock from diffrent eras that are used to date fossils are called?
Answer:
they're called trace fossils
If a reaction equation is balanced, then___.
Select all that apply.
A. it will follow the law of conservation of mass
B. There will be coefficients written in front of the formulas
C. The mass of products will be equal to the mass of the reactants
D. The mass of the products will be greater than the mass of the reactants.
If a reaction equation is balanced, it will adhere to the law of conservation of mass, showing equal mass for reactants and products, and balanced with coefficients in front of the chemical formulas. The correct option is A.
If a reaction equation is balanced, then several things hold true based on the principles of chemistry. Firstly, it will follow the law of conservation of mass. This fundamental law states that mass cannot be created or destroyed in a chemical reaction. Consequently, the total mass of the reactants must equal the total mass of the products. Secondly, you will find coefficients written in front of the formulas to indicate the relative amounts of each substance necessary to balance the equation.
Subsequently, the mass of the products will be equal to the mass of the reactants. This is a direct consequence of balancing the equation. It's not correct that the mass of the products will be greater than the mass of the reactants, as this would violate the law of conservation of mass.
Animal cells in different tissue vary in:
size and shape
skin and shape
color and shape
Answer:
I THINK ITS SKIN N SHAPE
Answer: Size and shape.
Explanation: He was right I found the answer in my assignment... So give him a five star.
Which makes viral infections difficult to defeat
(A) The immune system must attack the body’s own cells
(B) Macrophages work slowly
(C) Viruses live outside of cells
(D) Viruses are attacked by a nonspecific immune response
Answer:
(A) The immune system must attack the body's own cells.
Explanation:
(Apex)
Viral infections are caused by certain viruses either by direct or indirect contact. It can be difficult to kill viral infections because of slow working macrophages, i.e., option B.
What are macrophages?Macrophages are types of WBCs, i.e., white blood cells that are usually surrounds and kill the invaded pathogen.
Due to slow working of macrophages it can be difficult to kill the invaded pathogens, and hence make it difficult to defeat viral infections.
Thus, the correct option is B.
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Elizabeth is getting ready to run a marathon. She's hoping that the ATP in her body is good for long-term energy storage for the race. Why is her thinking incorrect?
A. ATP doesn't release energy fast enough to support running
B. ATP takes too long to transfer oxygen from the lungs to the legs
C. ATP is an unstable molecule
D. Running requires only potential energy to work muscles
Answer: A. ATP doesn't release energy fast enough to support running.
Explanation:
Elizabeth's thinking is incorrect because ATP doesn't release energy fast enough to support running. Running a marathon requires both immediate energy from ATP and sustained energy from glycogen.
Explanation:Elizabeth's thinking is incorrect because
ATP doesn't release energy fast enough to support running. ATP is the immediate source of energy for muscle contraction, but it can only supply energy for a few seconds of intense activity. For long-distance running, muscles rely on other energy sources such as glycogen. Glycogen is stored in the muscles and liver and can be rapidly broken down into glucose, which is then converted into ATP through cellular respiration. However, this process still requires oxygen, which is delivered through the heart and lungs. Running a marathon requires both immediate energy from ATP and sustained energy from glycogen, making Elizabeth's thinking incorrect.
What is a example of a single celled organism
Answer:
unicellular organisms: diatom, E. coli...
Explanation:
Final answer:
An example of a single-celled organism is Euglena, a simple unicellular eukaryote. Another example is Candida albicans, a yeast single-celled eukaryote. Both are complex organisms that perform all life processes within one cell.
Explanation:
An example of a single-celled organism is Euglena, which is a simple, predominately unicellular eukaryotic organism. Euglena is often found in ponds and belongs to a larger group of organisms that includes slime molds, euglenoids, algae, and protozoans. These organisms carry out all necessary life processes within their single cell, and they can be very complex in terms of structure and function. Another example is Candida albicans, a type of yeast that is also a unicellular eukaryote.
Euglena and Candida albicans are just two examples, but the environment is rich with single-celled organisms, ranging from those that lack a nucleus, like bacteria, to those with a complex internal structure, such as eukaryotes.
What do we call the effect of the earth's rotation on air circulation?
Answer: I presume you're talking about the Coriolis effect.
As a person exercises, carbon dioxide (CO2)
levels in the blood increase. This causes the
nervous system to signal which of these systems
to respond?
A digestive and immune
B immune and respiratory
C respiratory and circulatory
D circulatory and endocrine
This causes the nervous system to signal the respiratory and circulatory systems to respond. Therefore, option C is correct.
How respiratory and circulatory system eliminates carbon dioxide?The blood, which circulates continuously throughout the body, serves as a conduit for the transportation of gases and other substances.
A large artery that leaves the heart is called the pulmonary artery. It transports blood from the heart to the lungs and divides into two major branches. The blood picks up oxygen and releases carbon dioxide to the lungs. The pulmonary veins are then used to transport the blood back to the heart.
As a person exercises, carbon dioxide (CO2) levels in the blood increase. This causes the nervous system to signal the respiratory and circulatory systems to respond. Therefore, option C is correct.
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How are the empirical and molecular formulas for a compound related?
a) An empirical formula is sometimes a multiple of the molecular formula.
b) An empirical formula is always larger than the molecular formula.
c) A molecular formula is sometimes a multiple of the empirical formula.
Answer: Yup! its C! I passed a quiz on it ;)
Empirical formula = the simpliest and smaller formula for a compound while a Molecular Formula has multiple.what result from successive mutations of the same gene
Answer:
Here, a single mutation has resulted in a new protein with a new and ... how successive mutations turned a pair of protoHox genes in the simple ... The same thing can happen in fruit flies, and likely in many other groups too.
Explanation:
Answer:
The correct answer is multiple alleles.
Explanation:
Polyalelia or multiple alleles is the condition where a genotype demonstrates more than three alleles, not just two, for the similar gene address or chromosomal locus, predicting a phenotype, that is, a characteristic. The multiple alleles are the outcome of consecutive mutations in the genes of a specific locus.
The process of converting the genetic message from DNA into __________ is called transcription.
Answer:
The answer would be RNA.
Explanation:
The process of converting the genetic message from DNA into RNA is called Transcription.
Transcription itself is the written version of something. It could be any information. In this case, the information about the genetics from DNA is converted to RNA. RNA is a new molecule of messenger. Message is copied by the RNA enzyme called polymerase. In this process, there are three types of RNA that participate and play different roles.
What are the functions of the sori found on the leaves
they’re a product of sexual reproduction that are usually located on the lower surface of fern leaves. they’re essential for reproduction , they’re clusters of sporangia which contain the spores in plants like ferns & moss
The sori on fern leaves have multiple functions, including spore production, spore dispersal, and spore protection.
Explanation:The sori are structures found on the underside of fern leaves and they serve several functions. They are responsible for producing and releasing spores, which are reproductive cells that develop into new fern plants. The sori are also important for dispersal of spores through mechanisms like wind or water currents. Additionally, the sori protect the spores from drying out or damage, allowing for successful reproduction.
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Which of the following is a requirement for exponential growth of a population?
A. There are no limiting factors. B. There's competition from other organisms. C. There's a finite number of resources. D. The population is in a climax community.
Answer:
A
Explanation:
hope this helps
Answer:
A.There are no limiting factors
Explanation:
Exponential growth is the population growth in which the size or number of individuals is increased by a constant multiple rate in each generation. When there are no limiting factors such as when resources availability is unlimited in a habitat, the population grows by increasingly higher amounts in an exponential fashion. A good example of exponential growth can be observed when bacteria is grown/reproduced by binary fission in the laboratory.