The “A” in AIDS stands for ____
a. adaptive
b. active
c. acquired
d. autoimmune
e. artificial
ANSWER: c
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The method of reasoning that uses construction of general principles by careful examination of many specific cases is called:
A. experimental reasoning. B. theoretical reasoning. C. inductive reasoning. D. hypothetical reasoning. E. deductive reasoning.
A cell is considered _______ if two of each type of chromosome are present inside the cell.
Fill in the blank(s) with the appropriate word(s).
Which allele combination represents a homozygous dominant individual?
A. aa B. AA C. Aa D. None of these are homozygous dominant individuals.
Which of the following statements about cytochrome c is true?
(a) Cytochrome c shuttles electrons between the NADH dehydrogenase complex and cytochrome c reductase complex. (b) When cytochrome c becomes reduced, two cysteines (sulfur-containing amino acids) become covalently bound to a heme group. (c) The pair of electrons accepted by cytochrome c are added to the porphyrin ring of the bound heme group. (d) Cytochrome c is the last protein in the electron-transport chain, passing its electrons directly to molecular oxygen, a process that reduces O2 to H2O.