The nonprotein component of an enzyme that is firmly attached to the protein is called a(n) ________.
A. prosthetic group
B. coenzyme
C. apoenzyme
D. holoenzyme
Answer: A
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If a new allele appears in a population, the Hardy–Weinberg formula
(a) cannot be used because no equilibrium exists. (b) can be used but only for two alleles at a time. (c) can be used by lumping all but two phenotypes in one class. (d) can be expanded by adding more terms.
Becoming bipedal requires more anatomical changes than simply being able to stand on hind legs
A. true B. false
Why may you be asked whether you are allergic to eggs before receiving a vaccination?
a. Some viruses are grown and isolated in embryonated eggs; especially those used for vaccines. The egg proteins may still be present in the viral vaccine preparations. b. Some viruses used for vaccines are grown and isolated in embryonic eggs. Because of their growth in this environment, you may be allergic to the vaccine. c. You are asked about allergies as a precaution any time you receive a vaccine. d. This is an incorrect statement. You are usually never asked about allergies before receiving a vaccine.
All of the following are good practices to keep well hydrated during endurance events EXCEPT
a. taking salt tablets and drinking plenty of fluid before the workout. b. drinking freely during the 24 hours before an event. c. consuming 1.5 to 2 cups of fluid 4 hours prior to the event start. d. consuming fluid to replace losses during the workout.