____ is a regulatory protein that slows the
production of muscle proteins.
a. Actin
b. Myosin
c. Troponin
d. Testosterone
e. Myostatin
E
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What would happen to the gas exchange rate within an insect if the circulatory system was compromised?
A. The gas exchange rate would increase slightly. B. The gas exchange rate would increase significantly. C. The gas exchange rate would be unaffected. D. The gas exchange rate would decrease significantly. E. The gas exchange rate would decrease slightly.
Enzymes called ____ form breaks in the DNA molecules to prevent the formation of knots in the DNA helix during
replication. a. topoisomerases b. single-strand binding proteins c. DNA polymerases d. RNA polymerases e. DNA ligases
Viral nucleic acids that comprise a viral genome can be:
a. UNA only b. RNA only c. DNA or RNA d. RNA or UNA e. DNA only
For most fungi, dead organisms, most often serve as the primary source of carbon.
A) True B) False