The "one gene-one enzyme" hypothesis states that
A) the synthesis of each gene is catalyzed by one specific enzyme.
B) the synthesis of each enzyme is catalyzed by one specific gene.
C) the function of an individual gene is to dictate the production of a specific polypeptide.
D) the function of each polypeptide is to regulate the synthesis of each corresponding gene.
Answer: C
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HBV is mainly spread by
A. blood. B. blood products. C. semen. D. saliva. E. blood, blood products AND semen.
The functional unit of the kidney is the
a. renal pelvis. b. ureter. c. cortex. d. nephron.
Which of the following statements regarding glycolysis is false?
A) Glycolysis is considered to be an ancient metabolic process because it does not require oxygen. B) Glycolysis is considered to be an ancient metabolic process because it is not located in a membrane-bound organelle. C) Glycolysis is considered to be an ancient metabolic system because it occurs universally. D) Glycolysis is considered to be an ancient metabolic system because it is the most efficient metabolic pathway for ATP synthesis.
The analysis of the nitrogenous bases of the nucleic acid of a newly discovered virus showed 20% adenine, 40% guanine, 10% thymine, and 30% cytosine. The viral nucleic acid is most likely
A. double-stranded DNA. B. single-stranded DNA. C. double-stranded RNA. D. single-stranded RNA.