What is the importance of consuming an adequate amount of proteins in the diet?
A) They are most commonly used to meet energy demands of cells.
B) Proteins serve a variety of functions, and the body does not store excess quantities of protein.
C) They are used as cofactors for metabolic reactions and are required in minute quantities.
D) Proteins are necessary to produce urea and other important metabolites.
Answer: B
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The largest known fish is:
a. the blue whale. b. the whale shark. c. the megamouth shark. d. the great white shark. e. the humpback whale.
The constant region of a light chain is indicated by number
a. 1. b. 2. c. 3. d. 4. e. 5.
What are microfilaments assembled from?
a. keratins b. tubulins c. actins d. myosins
The direction of genetic information transfer in a retrovirus (such as HIV) is
A. RNA to DNA to mRNA to protein. B. RNA to mRNA to protein. C. RNA to protein. D. DNA to protein. E. DNA to mRNA to protein.