Answer:
it should be D !!!
Explanation:
quizlet said so if this is wrong then im getting it wrong too
Individual oxygen atoms are formed when UV rays strike oxygen molecules.
Solar ultraviolet radiation breaks apart one oxygen molecule to produce two oxygen atoms.What are ultraviolet radiation?Ultraviolet (UV) radiation is a form of non-ionizing radiation that is emitted by the sun and artificial sources, such as tanning beds. While it has some benefits for people, including the creation of Vitamin D, it also can cause health risks. Natural source of UV radiation is Sun.To know more about stratosphere here
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You go to your 15 year high class reunion. You spend the night talking to your friends about all the fun but stupid things you did in high school. Memories for these events are
Answer:
there are many ways to describe this but... Special nostalgic and enyoyable are a few
Explanation:
Hope this helped
Could there be some kind of molecular editing system ? What tools could be devised to work with genes? Could scientists then create tailored DNA molecules
how is energy lost from from an ecosystem?
Answer:
Energy that is not used in an ecosystem is eventually lost as heat. Energy and nutrients are passed around through the food chain, when one organism eats another organism. ... In each case, energy is passed on from one trophic level to the next trophic level and each time some energy is lost as heat into the environment.
Why flower produces only a small amount of nectar (food for insects) at a time
Answer:
Nectaries are usually located at the base of the flower stamens, which draw animal visitors into contact with the pollen to be transferred. Most flowers secrete only relatively small amounts of nectar, which encourages cross-pollination, since animals must visit several flowers in order to receive a full meal.
Explanation:
What are enzymes and how are they important to living things ?
Answer:
Enzymes are proteins that act as biological catalysts, Enzymes speed up chemical reactions that take place in cells.
Explanation:
do plant cells have organelles?
Answer:
Most organelles are common to both animal and plant cells. However, plant cells also have features that animal cells do not have: a cell wall, a large central vacuole, and plastids such as chloroplasts.
Explanation:
Why is poriferans important to marine ecosystem? Explain
who is credited with discovering the structure of DNA
Answer:
WATSON AND CRICK
Explanation:
they discoved it with help from rosaland franklin
Answer:
Watson and Crick
Explanation:
WILL AWARD 70 points help ASAPPP
Which of the following is released from ATP and therefore provides “energy”?
A) water
B) Pi
C) glucose
D) ADP and Pi
E) ADP only
Pi or inorganic phosphate is released from ATP and therefore provides energy.
What is ATP?It is the energy-carrying molecule found in the cells of all the living things. It is a nucleotide, which comprises three main parts, that is,
The nitrogenous baseAdenineRibose sugarA chain of three phosphate groups combined to riboseThe tail of phosphate is the actual source of energy, which is tapped by the cell. The accessible energy is present within the bonds between the phosphates and is discharged when the bonds are dissociated. It takes place via the supplementation of a water molecule, the process known as hydrolysis.
Generally, only the outer phosphate is withdrawn from the ATP to produce energy, when this takes place ATP get transformed to ADP or adenosine diphosphate.
Thus, the correct answer is option B, that is, Pi.
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Energy level of liquid
Answer:
liquids have more kinetic energy than solids.
Explanation:
If If you add heat energy to I liquid the particles will move faster around each other as the kinetic energy between them increases. some of the particles will even have enough kinetic energy to break the liquid bonds and escape as gas aka evaporating
Can parts of a system also be a system?
Answer:
yes A system can be also be a system
How can citizens protect civil liberties?
Deciding whether to buy a new lightweight helmet that provides less protection than a heavier helmet is an example of
A. risk-benefit analysis.
B. using technology wisely.
C. increasing the pace of life.
D. technology’s impact on the environment.
Answer:
The ways in which people change the world around them to meet their needs or solve practical problems are called
technology.
What is the goal of technology?
to improve the way people live
Science and technology are
dependent on each other.
c) Why does the ethanol change colour?
Answer:
Ethanol change color because ethanol gets oxidized to form ethanoic acid whose color will change from orange to green.
Explanation: The ethanol will undergo an oxidation reaction where ethanoic acid is formed which will result in the formation of chromium disulphite.
Pea plants can have yellow seeds or green seeds Which conclusion about the meaning of Y is correct if the allele
combination Yy is for yellow seeds?
O yellow and dominant
O green and recessive
O yellow and recessive
Ogreen and dominant
Save and Exit
Next
Submit
Mark this and retum
Answer:
yellow and dominant
Explanation:
Gregor Mendel has stated that a gene comes with two alleles. According to his law of dominance, one of the alleles called DOMINANT allele is capable of masking the phenotypic expression of another allele called RECESSIVE allele.
In this question involving a seed color gene, which has two alleles Y and y. Y, which represents the dominant allele codes for the YELLOW trait while y, which represents the recessive allele codes for the GREEN trait. Therefore, a plant with Yy will have YELLOW SEEDS because the dominant allele (Y) is present.
The process of diffusion occurs when
A. all molecular movement stops.
B. molecules move from areas of lesser concentration to areas of greater
concentration
C. sugar molecules move into a cell.
D. molecules move from areas of greater concentration to areas of lesser
concentration.
Answer:
d
Explanation:
The process of diffusion occurs when molecules move from areas of greater concentration to areas of lesser concentration. The correct option is D.
What is diffusion?The movement of essential, small molecules across the cell membrane as well as the movement of materials within cells both depend on the process of diffusion.
The exchange of gases in the lungs and gills is regulated by this process. As a byproduct of biological metabolism, carbon dioxide is released by all cells.
For example, when you pour a red color drop into the water, slowly the color molecules are evenly distributed in the whole water. It does not need any energy because it works according to the concentration gradient.
Thus, the correct option is D. molecules move from areas of greater concentration to areas of lesser concentration.
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In a changing environment, which species will have the best chance for survival? Group of answer choices The ones that are super fast. The one with the largest population. The one with the biggest genetic variation. The one with the most intelligent individuals
Answer:
one with the largest poplation because they can cook,protect, and get supplies .
Explanation:
In a changing environment, the species which will have the best chances for survival are the one with the biggest genetic variation. Thus, the correct option is C.
What is Genetic variation?Genetic variation is the difference in DNA present among different individuals or the differences between the populations. The multiple sources of genetic variation include mutations and genetic recombination in species. Mutations are the ultimate source of genetic variation, however other mechanisms, such as genetic drift, contribute to it, as well.
Variation allows some individuals within a population to adapt better to the changing environmental conditions. Because, the natural selection acts directly only on phenotypes, more genetic variation within a population usually enables more phenotypic variation in a population.
Therefore, the correct option is C.
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How can a scientific law be used to answer a specific question about an observed phenomenon?
A. A law can suggest an explanation for an observed phenomenon that will always be proven as fact
В. A law can offer an explanation for an observed phenomenon that is considered to be universally true
C.A law can only suggest an explanation for an observed phenomenon and cannot be tested through experimentation
Answer: B
Explanation:
Laws are explanations considered to be universally true
What is seeditis? Please help
Answer:
Seeditis is a fast, easy to use payment system built on the Tron Network. It seeks to give power back to content creators by facilitating a decentralized economy using crypto payments. ... In under a week since launching on Twitter, it rocketed to over 10MM TRX and 50K+ transactions!
Explanation:
Answer:
Seedit is a fast, easy to use payment system built on the Tron Network
Explanation:
how is osmosis used to stop seizures
1)What is it about the structure of ATP that contributes to its ability to act as an energy currency?
2)When a phosphate is transferred from ATP, it can phosphorylate another molecule. How could this assist in allowing a protein to transport molecules against their concentration gradient?
Answer/Exlanation:
1) ATP (adenosine triphosphate) can be hydrolyzed such that it loses a phosphate group to form ADP (adenosine diphodphate). This is called ATP hydrolysis. This property allows ATP to act as energy currency because ATP hydrolysis releases the energy stored in the high energy phosphate bond.
2) Transporting molecules against their concentration gradient requires energy. When ATP loses its phosphate group, it can phosphorylate another molecule. This converts the molecule into its active state, giving that molecule the energy to pass through against the concentration gradient.
1) The ability of the ATP compound structure to act as an energy currency has been explained in the answers.
2) The method used by ATP to allow protein transport molecules against their concentration gradient has been explained below.
1) ATP is an acronym that stands for Adenosine triphosphate. This compound called ATP is divided into three phosphate groups with phosphate bonds that possess very high energy. Now, when water is added to ATP, the phosphate bonds that possess high energy will be broken down thereby releasing energy and producing adenosine diphosphate (ADP).
2) We saw above that when ATP undergoes hydrolysis, the phosphate bonds are broken down to form ADP and releases energy. However, it can undergo further phosphorylation to form another molecule which becomes energized when it goes to a higher energy state.
Now, In this higher energy state it gets to, it will be observed that the protein will possess enough energy to transfer molecules against a concentration gradient that requires energy.
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Which organelles work together to provide a plant cell with structure and
support?
A
the cell wall and large central vacuole
B. the cytoskeleton and cell membrane
C
the cytoskeleton and nucleus
D
the cell wall and chloroplasts
OU
Answer:
d the cell wall and chloroplasts
Explanation:
The Venn diagram compares aerobic respiration and anaerobic respiration.
A Venn diagram is shown. One circle is labeled aerobic and the other circle is labeled anaerobic.
Which statement should be categorized only in the aerobic section of the Venn diagram?
occurs in the cytoplasm
produces water
requires no oxygen
is performed by yeast
Answer:
Occurs in the cytoplasm.
Hope this help's you!
Answer:
its b produces water:) ∵∴∵∴∵∴
Explanation:
Click on "Embankment dam at a gold mine." Of the two opinions to consider in this case, which one presents a stronger argument? How does that help you make your final decision as the consulting dam engineer? What was your decision for this dam, as the consultant? How can you accomplish this and still stay within your budget? (Site 1)
Answer: The strongest argument is the one that refers to security of people. This helps me to make a final decision, to ensure that there will be no accidents and guarantee that the mine will be used to generate moeny. So my decision is to repair it but choose to repair only the most urgent parts, to still stay within the budget.
Explanation:
A gold mine is a place where gold is extracted from the ground. Because of its value, the extraction of gold generates economic and social benefits all over the world, which has made this activity one of the most important in the world. There are also many ways of extracting this mineral.
The best argument will be the one that indicates the greatest concern for the safety of the citizens of that city or town. If there is a dam, it should be repaired in the best possible way. This will ensure the safety of the town and guarantee that the mine continues to be used, to generate economic benefits. Then, if the gold mine continues to be used even if it is not productive as it was, it must be repaired. However, in order not to make large expenditures and have a low budget for repair, I can choose to repair only the most urgent or necessary part.
So, the strongest argument is the one that refers to security of people. This helps me to make a final decision, to ensure that there will be no accidents and guarantee that the mine will be used to generate money. So my decision is to repair it but choose to repair only the most urgent parts, to still stay within the budget.
In a species of rabbit, F is the dominant allele for brown fur, and f is the recessive allele for black fur. Two rabbits have four offspring. Three have brown fur, and one has black fur. Which of the following could describe the genotypes of the parents?
Answer:
A. Both parents are heterozygous, with one dominant allele and one recessive allele.
Explanation:
I just did it and I got it right
Both parents are heterozygous, with one dominant allele and one recessive allele. This statement describes the genotypes of the parents.
What is homozygous and heterozygous?There are two sets of chromosomes found in human beings and the pair of alleles is known as homozygous and hetrozygous. Homozygous is defined as a particular person having two common or identical genes these are known as homozygous. Hetrozygous is defined as particular person having different alleles are known as hetrozygous.
Allele is defined as differentiation of the pattern of nucleotides at the common position on a long DNA molecule. Chromosomes are the long thread type structure present in the inner side of nucleus of plants as well as nucleus.
The main composition of chromosome is protein and DNA molecule. Chromosomes trasffers from one generation to other generation or from parents to their children and they carry genetic information.
Therefore, Both parents are heterozygous, with one dominant allele and one recessive allele. This statement describes the genotypes of the parents.
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Describe two ways in which the teeth of a dog are different to those of a human.
Humans have 8 incisors that we use to bite on our food. Dogs have 12 incisors that they use to rip off meat from the bone. Dogs also use their incisors to groom themselves and get rid of fleas, mites and other foreign objects on their skin and coat.
you can paraphase or something
What characteristic of viruses distinguishes them from cells?
Answer: Viruses, although not living things, do show some characteristics that they are living. Because they can't reproduce by themselves (without a host), viruses are not considered living. They are made of proteins and glycoproteins like cells are. They contain genetic information needed to produce more viruses in the form of DNA or RNA.
They are acellular, that is, they contain no cytoplasm or cellular organelles. They carry out no metabolism on their own and must replicate using the host cell's metabolic machinery.
Which system(s) are represented in this image?
A. Respiratory
B. Skeletal
C. Endocrine
D. Muscular
Answer:
I would say it looks like muscular, but Im not totally sure
Hope its the right answer though, :)
Explanation:
Is Electrical Conductivity Physical or Chemical Property of cut and paste?
Answer:
Conductivity is a physical property because the identity of the substance does not change.
Hope that helps♡
Find the domain and range of the function. f(x)=|2x|-sin x
Answer:
Domain: (-∞,∞) , {x|x ∈ R}
Range: , {x|}
Explanation: