In the conversion of pyruvate to ethanol, what is produced?
A. Acetaldehyde only
B. Carbon dioxide only
C. NADH only
D. Acetaldehyde and carbon dioxide
E. Acetaldehyde, carbon dioxide, and NADH
Answer: D
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Which of the following diseases is caused by a peroxisomal defect?
A) Zellweger syndrome B) sickle-cell anemia C) Tay-Sachs disease D) hypertrophic cardiomyopathy E) I-cell disease
Chorionic villus sampling differs from amniocentesis in that for CVS
A) cells must first be cultured. B) biochemical tests can be performed on the sample. C) a karyotype is prepared directly from collected cells. D) cells do not directly descend from the fertilized ovum.
The mechanisms that control the number of crossover events in a cell have been well characterized
Indicate whether the statement is true or false.
What is the role of NADH in glycolysis?
a. NADH phosphorylates pyruvate. b. NADH catalyzes the transformation of dihydroxyacetone-phosphate. c. NADH binds and carries electrons. d. NADH destabilizes fructose.