The basic tool of genetic regulation is the ability of certain proteins to bind to specific  

A.  regulatory RNA sequences.
B.  regulatory DNA sequences.
C.  repressor parts of the gene.
D.  promoter parts of the gene.
E.  enzymes of the cell.


B.  regulatory DNA sequences.

Biology & Microbiology

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Which element is NOT characteristic of the primary structure of proteins?

a. carbon b. hydrogen c. phosphorus d. sulfur e. nitrogen

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Humans and houseflies are examples of what type of species?

a. generalist b. specialist c. dominant d. primary e. biotic

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After ovulation, the ovum remains fertile for about:a

1 hour. b. 6 hours. c. 24 hours. d. 2 days. e. 3 days.

Biology & Microbiology

Animals store energy in a polymer composed of many glucose molecules called:

A. glycogen B. chitin C. starch D. cellulose

Biology & Microbiology