Bacteriorhodopsin is a light-sensitive pigment found in ____ archaeans used to supply energy for ____ production.
A. halophilic; ATP
B. thermophilic; carbohydrate
C. methanogenic; methane
D. halophilic; carbohydrate
E. thermophilic; ATP
Answer: A
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What class of neurons in the central nervous system sends commands to muscles?
A. afferent neurons B. efferent neurons C. peripheral neurons D. interneurons
The enzyme lipoprotein lipase ____
a. decreases in concentration with exercise b. allows muscles to releases fatty acids c. decrease the risk of cardiovascular disease d. results in lower levels of HDL e. has no overall impact on health
Four of the five answers listed below are characteristics of mutations. Select the exception
a. predictable b. lethal or beneficial c. random d. effects depend upon environment e. heritable
The overuse of antibiotics has led to a form of antibiotic resistant tuberculosis. This has occurred as a
result of: a. directional selection within the bacterial population. b. stabilizing selection within the bacterial population. c. disruptive selection within the bacterial population. d. a heterozygote advantage within the bacterial population. e. balanced polymorphism within the bacterial population