A human cell has a mutation in the gene that encodes the enzyme that generates lactate from pyruvate, rendering that enzyme completely non-functional. Assuming that there is ample glucose present, how would this cell generate energy in the presence of oxygen?
A. Primarily through the break down of proteins into amino acids
B. Glycolysis coupled with ethanol fermentation
C. Aerobic respiration
D. This cell would have no way to generate energy under these conditions because it cannot carry out the reactions needed for glycolysis
Answer: C
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Exchange across a membrane requires
a. moisture only. b. transport proteins only. c. pressure gradients only. d. moisture and pressure gradients only. e. moisture, pressure gradients, and transport proteins.
Which of the following is synonymous with cellulae?
a. "small rooms" b. "small compartments" c. "small spaces" d. "small particles"
When a chromosome undergoes a deletion mutation, information is
a. reversed b. repeated c. transferred d. lost
Bacteria which grow on the Mannitol Salt Agar and DO NOT ferment the substrate will utilize the peptone in the medium which will result in a (an)
A. increase in the pH of the medium B. reduction of the pH indicator C. oxidation of the pH indicator D. decrease in the pH of the medium E. no change in the color of the indicator