Each day the human heart sends about _____________ liters of blood throughout the body.
A. 50,000
B. 1,000
C. 7,000
D. 2,000
E. 5,000
C. 7,000
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When proteins are used as energy sources, their breakdown subunits usually enter ____
a. glycolysis b. electron transfer chain c. the Krebs cycle d. alcoholic fermentation e. lactate fermentation
In glycolysis, glucose receives two phosphate groups from ____, thus forming fructose-1, 6-bisphosphate
a. ADP b. ATP c. G3P d. a bisphosphate group
e. fructose-1, 6-bisphosphateWhat condition is necessary for genetic drift to have a significant effect on a population?
a. A natural disaster must occur. b. The population needs to be small. c. A portion of the population needs to migrate. d. Mutation must occur. e. Gene flow must occur.
A gene that is located on a sex chromosome (X or Y chromosome) is _______.
A. the cause of albinism and cystic fibrosis B. a sex-linked gene C. a linked gene D. usually a sex-determining factor