What approach would most likely help determine the amino acids which form an enzyme's catalytic site?
What will be an ideal response?
Site-directed mutagenesis
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In meiosis, sister kinetochores are attached to the same pole of the cell during meiosis I, and sister chromatid cohesion is released during anaphase II. What would be the likely result if sister kinetochores were attached to different poles of the cell during meiosis I and sister chromatid cohesion was released during anaphase I?
A. Sister chromatids would migrate to opposite poles during anaphase I. B. Sister chromatids would migrate to opposite poles during anaphase II. C. Sister chromatids would migrate to the same pole during anaphase I. D. Sister chromatids would migrate to the same pole during anaphase II. 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 separation of sister chromatids? 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?
Superantigens exert their damaging effects by
A. killing large numbers of phagocytic cells. B. causing the massive and non-specific release of cytokines by T cells. C. forming harmful antibody aggregates. D. All of the choices are correct.
Some asteroids show evidence of surface activity such as lava flows
a. True b. False Indicate whether the statement is true or false
Which of the following is/are recommended to avoid food borne infections?
What will be an ideal response?