During DNA replication, the lagging strand is synthesized by forming Okazaki fragments. The enzyme that joins Okazaki fragments together is
A. ligase.
B. primase.
C. DNA polymerase.
D. ATP synthase.
E. helicase.
A. ligase.
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The progesterone receptor (PR) is a steroid hormone receptor and transcription factor. The protein SRC-1, which does not bind DNA by itself, can bind to PR and increase expression of genes regulated by PR. Based on this information, SRC-1 is best described as a(n)
A. coactivator. B. inducer. C. general transcription factor. D. specific transcription factor. 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 coactivators? Consider Possibilities · Consider the different answer options. Which can you rule out? 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?
Compare and contrast the blending and particulate models of heredity
What will be an ideal response?
The U.S. Food and Drug Administration warns children, mothers and potential mothers to avoid eating tuna because of high mercury levels. A typical can of albacore tuna contains about 4 times the amount of mercury that a healthy, average-sized adult may safely consume in a day. Do you think cans of tuna should carry labels warning of mercury content?
1.Yes; we can’t risk having children or mothers negatively affected by mercury poisoning. 2.No; the FDA advisory about mercury is enough warning.
Which of the following might make the most effective medication to treat gastric ulcers?
a. A chemical that kills bacteria in the stomach b. A chemical that stimulates the parietal cells of the gastric pits c. A chemical that inhibits epithelial cells in the stomach that produce mucus d. A chemical that stimulates the secretion of bile e. A chemical that stimulates the chief cells of the gastric glands