The apparent lack of intermediate forms in the fossil record can be explained by the ____ hypothesis
a. disruptive selection
b. fossil decay
c. punctuated equilibrium
d. genetic drift
e. allopatric speciation
ANSWER: c
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The hormone that enhances fruit ripening is ____
Fill in the blank with the appropriate word.
Which genes encode proteins that regulate the cell cycle in normal cells?
a. tumor suppressor genes b. proto-oncogenes c. oncogenes d. tumor suppressor genes and proto-oncogenes e. tumor suppressor genes, proto-oncogenes, and oncogenes
Which of the following reaction pathways is NOT part of the second stage of aerobic respiration?
a. electron transfer phosphorylation b. acetyl-CoA formation c. Krebs cycle d. glycolysis e. [electron transfer phosphorylation] and [glycolysis]
Fungi and animals share a more recent common ancestor than do fungi and plants.
Answer the following statement true (T) or false (F)