Biology

How I See It Unit Test 1 of 231 of 23 Items Question Which word has the same prefix as the word preset?
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which of the following is not part of bergmann's rule? group of answer choices longer limb lengths are predicted in hot climates larger body is predicted in cold climates smaller body mass is predicted in hot climates b and c only none of the above
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Which side of the heart pumps blood to the lungs
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creatinine clearance is used to assess the: group of answer choices tubular secretion of creatinine. glomerular and tubular mass. glomerular filtration capabilities of the kidneys. dietary intake of protein.
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all of the following are characteristic of the platyhelminthes except that they . group of answer choices have complex reproduction cycles. have highly developed digestive and nervous systems are dorsoventrally flattened are multicellular animals can be divided into flukes and tapeworms
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how do corals affect ocean acidification?
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essien is meditating and focusing on his breathing. what changes are occurring in his thoracic cavity when he inhales?
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the mechanism by which trypsin, chymotrypsin, and elastase catalyzes proteolysis is: nucleophilic attack of the enzyme to the substrate. entropy reduction electrophilic attack by the enzyme onto the substrate. acid-base catalysis
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another extremely useful thing about test crosses is they help us see whether the 2 genes controlling the phenotypes observed are assorting independently or not. which of the above crosses (1-4) allows us to test the hypothesis of independent assortment?
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what is the strategy that allows humans to determine the location, numbers, and quality of plants and animals?
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why do you think it is important that the tubes are not sealed prior to incubation (for purposes of interpreting the results)?
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which form of reproduction is thought to be best in a stable environment? asexual sexual budding parthenogenesis
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as part of your botany laboratory assignment, you are charged with identifying different leaf and twig specimens. the first specimen that you observe is composed of leaflets, each of which is attached to the same point on the petiole. how can you best describe this specimen?
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how can the aorta receive the full force of blood exiting the heart during ventricular systole and not be damaged by the force
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put the following in order from coming off the spinal cord directly to the last split. 1) trunks 2) cords 3) roots 4) divisions 5) branches
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The proper balance among producers , consumers and decomposers is the result of balanced ecosystem in nature. Justify this statement with appropriate examples.
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When a cell is not dividing, the DNA in a Eukaryotic cell is scattered like spaghetti and is called chromatid.
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a researcher is studying early caenorhabditis elegans embryos. using a hollow glass needle, he removes one cell from a four-celled embryo. he has just isolated a(n): please choose the correct answer from the following choices, and then select the submit answer button. answer choices appendage primordia. splicing factor. spatial control region. blastomere.
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explain the statement: the primary structure of a protein (largely) determines its tertiary and quaternary structures.
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How is our ear able to hear? Please respond in 1-2 complete sentences using yourbest grammar.
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among terrestrial animals, hydrostatic skeletons are found only in a few crawling or burrowing species. why are hydrostatic skeletons so rare among terrestrial animals?
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the group of protists to which you are most closely related is: a. discoba b. rhizaria c. stramenopiles d. choanoflagellates e. alveolata
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the process of dna replication is semiconservative. this means that a replicated chromosome is composed of:
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jean-baptiste lamarck hypothesized that changes acquired during the lifetime of an individual organism, as a result of adapting to its environment, are passed on to progeny. why was this incorrect but still important?
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