Who disproved the "broth-to-microorganisms" hypothesis?
A) Sidney Altman
B) Louis Pasteur
C) Stanley Miller
D) Alexander Oparin
E) Francisco Redi
B
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Self-propagation and refractory periods (states) are typical of _____
A) action potentials B) graded hyperpolarizations C) excitatory postsynaptic potentials D) threshold potentials E) resting potentials
Which of the following is likely to occur if you were to prevent cyclin B from associating with its cyclin-dependent kinase near the end of meiosis I?
A. failure to maintain sister chromatid cohesion at the centromere B. failure to form initiation complexes necessary for DNA replication to proceed C. suppression of DNA replication D. activation of DNA replication 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 cyclins and cell check points? 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?
Homeostatic mechanisms are processes that:a
connect distant parts of the body by transporting materials. b. store and release fuel needed for cellular respiration. c. maintain a relatively constant internal environment. d. form lamellae within the osteons. e. relay, process, and store information.
What effect do assortative matings have on populations?
A) They cause one sex to be much different than the other. B) They cause isolated groups to be more similar to each other. C) They increase the rate of mutations. D) They maintain appearance differences between groups.