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Photosynthesis is the process plants use to convert sunlight into chemical energy. The process of photosynthesis can be modeled to illustrate the most important aspects of the natural phenomenon. Thro
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Coiling of shells can vary for snails. Snails that coil to the left cannot mate with snails that coil to the right. This difference leads to reproductive isolation. What kind of reproductive isolation
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Which statement describes a reason why stem cell research is important? A. It allows scientists to mix the genes of different organisms to produce desired traits. B. It allows scientists to put health
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Which statement BEST describes how mutations are related to evolution? A) There is not a strong relationship between mutations and evolution. B) Natural selection causes evolution, which causes more m
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DNA is like abook titled How to Be a Cell. Explain why that title is appropriate for each of DNa's three functions.
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Which is an infection of the fluid that surrounds the spine and brain? tuberculosis strep throat meningitis Lyme disease
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The United States government limits the use of certain pesticides through laws passed in the Endangered Species Protection Program. Which is the MOST likely reason to enforce laws that limit pesticide
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Identify whether the statements apply to autotrophs, heterotrophs, or to both autotrophs and heterotrophs
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Do the trees in your area have much chlorophyll in them right now? do you think the trees in your area will have more or less chlorophll in three months than they did now? leaves usually change colors
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Use complete sentences to differentiate between acids and bases on the basis of touch. Give an example of each type.
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Explain the processes that take place in the stroma including the reactants going in and the product from these processes in (a) bright sunlight and in (b) darkness. (c) What happens over an extended
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Which sentences in this excerpt from Leo Tolstoy’s The Death of Ivan Ilyich show Ivan Ilyich’s struggle with his life and his inability to let go of his past?
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A family has a Y-linked disease that affects the father. What is the chance of a male offspring inheriting the same disease?
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Carnivorous plants have some unique characterstics what do these characterstics suggest about life and the world that we live in?
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Mention any two features each that are seen in boys and girls each to distinguish them from each other at puberty.
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In operant conditioning, after extinction what happens to the level of behavior. a.Responding increases b.It returns to zero. c.It returns to the operant level of responding d.Nothing, extinction d
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When my wife is ready to go to the mall, but I take to long to get ready, she gets frustrated. This is a good example of Thornes a.effect b.use c.nature d. Readiness
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Which of the following materials do cone bearing plants produce for reproduction? A.flowers B.egg and sperm cells C.anther and stigma D.spores and pollen
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Why does the Fifth Amendment matter today? It prevents people accused of crimes from being sent far away to plead their case alone in front of a single judge. The amendment protects the rights of chil
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Which of the following statements is true? A. Blood glucose levels are controlled by the digestive system. B. Damage to the kidneys will cause a buildup of waste in the body. C. Oxygen is dropped off
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CHOOSE ALL THAT APPLY!!!! What does the cardiovascular system do? A.carries hormones for the endocrine system B.transports oxygen and carbon dioxide for the respiratory system C.sends nerve impulses t
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The solution inside a plant cell is approximately a 1% saline solution. In a 25% NaCl solution, the cytoplasm of a plant cell will
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Which aspect would be important in the formation of poephoe lava? a low viscosity b high viscosity c slow underwater cooling d rapidly deforming crust
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A nurse rubs alcohol like ethanol and isopropanol on a patient's skin before administering an injection. What could be a medical consequence of neglecting to clean the skin before puncturing it with t
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Analyze the data on the map a valid conclusion about air mass behind the front approaching Washington, D.C communicate your conclusion along with reasoning //please anwser as soon as possible :|\\
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What is the practical significance of the fact that the ratio of sodium and potassium excretion was strongly related to CVD risk, whereas sodium or potassium excretion alone was not strongly related t
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You catch an animal with a catching hook, approach it wrap your arms body, pull it close to your side as you it up and carry under your arm. You're correctly handling a
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Susan needs to measure the heat the chemical she wants to use in an graudated cylinder. Which graduated cylinder is suitable for use?
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What do aerobic respiration and lactic acid fermentation have IN COMMON? A) They produce a sour taste. B) ATP production begins with glucose. C) They require an electron transport system. D) Pyruvate
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What occurs in the life cycle of a moss but not in the life cycle of a gymnosperm? In moss, sperm and egg cells are produced after haploid spores are separated from the sporophyte plant. In moss, sper
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A meteorite is determined to be 4.5 billion years old. It now has 78 atoms of lead-206. Assuming no loss of daughter isotopes, how many atoms of uranium-238 did the meteorite have to begin with? The h
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If a person has a small intestine and less bill i than normal would they be overweight or underweight
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1.Which rock sample had the most porosity? Which sample had the least? 2.How much empty space was there in the medium-sized rock sample? 3.How much time did it take the water to flow through the gra
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Which if the following statements is NOT true of the use of genetically engineered bacteria for insulin production
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These notes were taken during a class about biological evolution, but the subject title is missing. -results from immigration -new genes brought into a population -variation in a population increases
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The following hypotheses explain why people dream except People need to work out unsolved problems that have arisen during the day. People need to communicate with other people who are trying to send
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Why do you think DNA evidence is so important in many court cases? What changes has it made to forensic science?
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The First organisms evolved on earth around 4 billion years ago. The fossil record indicates that the first organisms of the following? A. eukaryotes B. plastids C. mitochondria D. prokaryotes
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In a year, a population of lions had four births, two deaths from disease, one natural death, five emigrations, and five immigrations. In the same year, a population of zebras had five births, three d
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Which of the following is true about science? It is not influenced by social conditions. It is not determined by external local factors. Political conditions are unable to influence it. Economic conce
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The table below shows the role of different substances during photosynthesis. Substance Role During Photosynthesis Carbon dioxide Changes into oxygen in the presence of water, light, and chlorophyll G
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He table below shows the role of different substances during photosynthesis. Substance Role During Photosynthesis Carbon dioxide Changes into oxygen in the presence of water, light, and chlorophyll Gl
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Dramatic changes in sea level occurred throughout the Cenozoic era and the rise and fall of sea level is recorded in the rocks of the _______________. Amazing numbers of fossil clams, snails, and sand
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The embryonic development of animals suggests an order of relation between humans and other animals; some animals being more closely related to humans than the others. Which of these options arranges
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Before the beginning of the Industrial Revolution, most peppered moths found in and around Manchester, England, exhibited light-colored wings speckled with black. After the Industrial Revolution, pepp
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This is short for adenosine diphosphate. An organic compound that is composed of adenosine and two phosphate groups. With the addition of another phosphate group, it is converted to ATP for the storag
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Which statement best describes the structure of a lipid molecule? A. Lipids contain proteins and glycerol. B. The ends of the lipid are attached to each other. C. A phospholipid has a charged head and
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What is the function of the electron transport system? A. to produce a small amount of ATP in the absence of oxygen B. to produce a small amount of NAD+ that can be used to make ATP C. to produce 34 A
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Which would most likely decrease the genetic variation in the human population?A) Humans having more chromosome pairs.B) Crossing over occurring less often during meiosis.C) DNA moving between materna
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To write an essay 1000 - 1500 words (undergraduate) on the following:How proteins in the diet are disassembled then reassembled to form useful proteins in the bodyneed essay by 11pm Monday 11th Dec.To
