During, or shortly after a meal, most cells use which of the following as a source of energy?
a. fat
b. amino acids
c. glucose
d. glycogen
e. minerals
c
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Epidemiological studies of AIDS in Africa have confirmed that ________ transmission of the virus is the norm in that region
A) fomite B) indirect C) heterosexual D) homosexual
Certain complexes of the mitochondrial electron transport chain pump protons. Which of the following best describes the movement of protons in this situation?
A. across the outer mitochondrial membrane, from the cytoplasm to the intermembrane space B. across the outer mitochondrial membrane, from the intermembrane space to the cytoplasm C. across the inner mitochondrial membrane, from the intermembrane space to the matrix D. across the inner mitochondrial membrane, from the matrix to the intermembrane space
The study of the evolutionary history of
species is called
a. exaptation. b. taxonomy. c. microevolution. d. phylogeny. e. convergent evolution
The whole point of mitosis is to
A. be sure that DNA is replicated. B. reproduce the parent cell into genetically identical daughter cells. C. reproduce the parent cell into similar but not identical daughter cells. D. produce sex cells (gametes).