A mutation of a segmentation gene can result in all of the following EXCEPT
A. duplication of body parts
B. missing body regions
C. replacement of one body part with another
D. altered expression of homeotic genes
E. incorrect establishment of body axes
E. incorrect establishment of body axes
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At the pH of most bodily fluids, which functional group will lose a proton and which functional group will accept a proton?
A. sulfhydryl; carbonyl B. Hydroxyl; amino C. amino; carboxyl D. carboxyl; amino E. carbonyl; Hydroxyl Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you know about functional groups? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Four of the five terms involve fungus and food. Select the exception:
a. mold, blue cheese b. fermentation, soy sauce c. yeast, bread d. truffles, host trees e. soil fungus, penicillin
HIV cannot be transmitted sexually
a. true b. false
As you look through the microscope, you observe a liver cell just beginning to enter mitosis. Identify the steps of mitosis that are listed in correct order.
A. prophase, B. metaphase, C. anaphase, D. telophase E. all of the above