Functions of the cytoskeleton include all of the following EXCEPT ____
a. sperm motility
b. amoeboid motion
c. skeletal muscle contraction
d. cell division
e. autophagy
E
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Epsilonproteobacteria are most dominant in hydrothermal vents because they
A) reduce nitrogen. B) oxidize reduced sulfur compounds. C) use oxygen as electron acceptors. D) bind divalent cations.
If you placed a red blood cell in a solution that contains less solute than the cell, you would predict that its volume would ________ while the solute concentration in its cytoplasm would ________.
A. decrease; decrease B. increase; increase C. decrease; not change D. decrease; increase E. increase; decrease
You lead a research team challenged with the task of creating a regulatory protein able to shut off transcription of a particular gene. You focus your design around a binding site called an operator that is associated with the promotor. The physical location of the operator most likely to affect transcription would be
A. upstream of the gene promoter. B. downstream of the gene promoter. C. internal to the gene itself. D. internal to the gene promoter. 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 already know about operators and repressors? 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?
In a study on human mate choice, researchers found that daughters choose mates who look like their fathers. To determine whether daughters choose mates who are genetically similar to them, the mate choices of adopted daughters were analyzed. Independent
judges determined that adopted daughters chose mates with facial similarities to their adoptive father. This influence of parental image on mate choice could be considered a human example of A) imprinting. B) habituation. C) pattern recognition. D) a dominance hierarchy.