Entry of a virus into the lytic cycle after lysogeny has been established is called ________.
A. induction
B. lysogenic conversion
C. lysogenic reversion
D. None of the choices are correct.
Answer: A
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When an enzyme becomes denatured, it
(a) increases in effectiveness. (b) loses its requirement for a substrate. (c) forms an enzyme–substrate complex. (d) loses its ability to function.
Which health problem(s) are due to environmental factors?
A. Spina bifida B. Fetal alcohol syndrome C. Down syndrome D. Spina bifida and fetal alcohol syndrome E. Fetal alcohol syndrome and Down syndrome
Women often receive synthetic oxytocin to induce childbirth or augment contractions. What is an important consideration about the use of synthetic oxytocin?
A. It is impossible to mimic its chemical structure, so it may act on other receptors and cause side effects. B. The synthetic form does not travel down motor neurons, so it is less effective than the natural form. C. It can be difficult to get the levels just right, so uterine contractions can be too strong. D. If you fail to simultaneously provide synthetic G protein, the hormone is ineffective. Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about oxytocin? What other information is related to the question? Choose Answer Given what you now know, what information 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?
A phagocyte is a cell that
A. engulfs other cells and debris. B. primarily is used to produce antibodies. C. produces white blood cells. D. produces platelets. E. transports oxygen to tissues.