Which metabolic pathway is common to both fermentation and cellular respiration?
A) the citric acid cycle
B) the electron transport chain
C) glycolysis
D) synthesis of acetyl CoA from pyruvate
E) reduction of pyruvate to lactate
Ans: C) glycolysis
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The area labeled “B” is
a. a nucleus. b. nucleoplasm. c. endoplasmic reticulum. d. a vacuole. e. a nucleoid.
A breeder of thoroughbreds selects only the fastest horses for breeding stock. This is an example of artificial _____
a) directional b) disruptive c) frequency-dependent d) sexual e) stabilizing
Four of the five answers listed below are haploid. Select the exception
A) Sperm B) Meiospore C) Zygote D) Egg E) Gametophyte
The percentage of different colored water boatmen (an aquatic insect) eaten by fish were graphed relative to the frequency of that color in different populations. Based on the graph, what conclusion can you draw?
A. Rare phenotypes will survive better due to positive-frequency selection. B. Common phenotypes will survive better due to negative-frequency selection. C. Common phenotypes will survive better due to positive-frequency selection. D. Rare phenotypes will survive better due to negative-frequency selection.