Which part of the body is often diseased in alcoholics due to exposure to alcohol?
A. liver
B. esophagus
C. stomach
D. kidneys
E. large intestine
Answer: A
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Animal models such as the ____________________ and ____________________ are being studied to identify single genes that control aspects of learning, memory, and spatial perception
Fill in the blank(s) with correct word
Altruism in animals _____
a. increases another individual’s reproductive success at its own expense b. has no selective value c. is a recent evolutionary development observed only in mammals d. is attributable to random behavior e. is commonplace in vertebrates
The terminator versus anti-terminator function of the T box-based riboswitch used by Gram-positive bacteria to regulate amino acid-related genes is determined by ________.
A. the binding of the appropriate uncharged tRNA B. the rate of leader peptide synthesis C. the utilization of the appropriate sigma factor by RNA polymerase D. the binding of the T box binding protein
The science called microbial ________ studies interactions between microbes and their environment and how those interactions affect the earth.
Fill in the blank(s) with the appropriate word(s).