_______ can convert proto-oncogenes into oncogenes.
A. Gene amplifications
B. Retroviral insertions
C. Chromosomal translocations
D. Missense mutations
E. All of these choices are correct
E. All of these choices are correct
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The dotted areas in the figure below indicate where
__________ reactions will occur to produce __________ and __________. a. condensation; covalent bonds; hydroxyl ions b. electron transfer; covalent bonds; water molecules c. condensation; covalent bonds; water molecules d. cleavage; covalent bonds; hydrogen ions e. condensation; ionic bonds; hydrogen ions
The correct operational sequence of the three
processes listed below is I. glycolysis II. electron transport chain III. Krebs cycle a. I >>> II >>> III. b. II >>> I >>> III. c. III >>> I >>> II. d. II >>> III >>> I. e. I >>> III >>> II.
Which of the following is NOT true concerning umbilical arteries?
a. There are two of them. b. They carry oxygen-poor blood. c. They take blood from the fetus to the placenta. d. They are housed in the umbilical cord. e. They carry blood that is rich in nutrients.
When the trunk or limb of a tree provides the substrate on which an epiphytic orchid grows, the arrangement benefits the orchid, which gets nutrients from the air and moisture from aerial roots, while the tree is unaffected
The relationship is referred to as A) amensalism. B) commensalism. C) competition. D) parasitoidism.