The normal microbiota of the genital tract of women is
A. affected by estrogen levels.
B. dependent on the activity of Lactobacillus.
C. unchanging.
D.
typically composed of Escherichia coli.
E. affected by estrogen levels AND dependent on the activity of Lactobacillus.
E.
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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?
Which has been associated with aging in humans?
A) an increase in the number of mitochondria B) no change in the sequence of the mitochondrial genome C) a decrease in mitochondrial function D) an increase in mitochondrial function
In which phase of mitosis do chromosomes
arrive at opposite sides of the cell?
a. anaphase b. prophase c. metaphase d. telophase e. interphase
What type of organisms are considered microbes?
A. Bacteria B. Algae C. Protozoa D. Helminths E. Fungi F. Viruses G. All of the above H. None of the above