DNA synthesis proceeds by the elongation of primer chains, always in the
A. 5' to 3' direction.
B. 3' to 5' direction.
C. 5' to 5' direction.
D. 3' to 3' direction.
Ans: A. 5' to 3' direction.
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The special dyes used in fluorescence microscopy that absorb light at one wavelength and emit light at a different wavelength are called ________.
Fill in the blank(s) with the appropriate word(s).
B. A mature red blood cell is shaped like a biconcave disc because it has no nucleus.
A. its ability to pump blood under high pressure to all areas of the fish's body. B. its ability to maintain a constant blood pressure in the fish. C. its ability to stay full of blood even as it is emptying into the conus arteriosus. D. its ability to pump blood to the gills for gas exchange before the blood is pumped to the remaining areas of the body. E. its ability to keep oxygen-rich blood in one chamber separate from oxygen-poor blood in the other chamber. 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 the effect of exercise on heart rate? 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?
In which of the following does the onset of symptoms usually occur in individuals after childbearing
age? a. Tay-Sachs b. hemophilia c. Huntington's d. muscular dystrophy e. achondroplasia
What is the second step of a muscle contraction?
What will be an ideal response?