Which of the following is determined about DNA
from X-ray diffraction data?
a. DNA is uniform in diameter.
b. DNA is long and narrow.
c. Part of the DNA molecule repeats itself often.
d. The DNA molecule is spiraled.
e. All of these are determined.
Answer: e
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If a woman has a declining level of various hormones in her urine it may indicate ________
a. cancer b. cardiovascular disease c. diabetes d. stroke e. menopause
List the five major functions of the skeletal system.
What will be an ideal response?
Some of the CO2 that is exhaled during breathing is created during
A) the reduction of oxygen in the ETC. B) chemiosmosis. C) glycolysis. D) fermentation. E) the conversion of pyruvate to acetyl CoA.
Polypeptide antibiotics that act as detergents and distort bacterial cellular membranes do so by:
A) acting as antimetabolites B) inhibiting cell wall synthesis C) disrupting cell membrane function D) inhibiting nucleic acid synthesis