A strain of bacteria containing F? factor genes is called a

A. hemizygote.
B. merozygote.
C. homozygote.
D. heterozygote.
E. monozygote.


Answer: B

Biology & Microbiology

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One goal of pedigree analysis is to discover whether the gene in question is located on an X or a Y chromosome or on a(n) ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

If a stretch of human double stranded DNA contains 47% G and C bases, then ____

a. it contains 47% A and T bases b. there are more pyrimidines than purines c. there are more purines than pyrimidines d. it contains 53% A and T bases

e. there are no genes in this stretch of DNA

Biology & Microbiology

Excretion is a process in which ________ is (are) removed from the body.

A. feces B. hormones C. metabolic wastes D. salt E. water

Biology & Microbiology

Aspirin and ibuprofen both _____

A) inhibit the synthesis of prostaglandins B) inhibit the release of nitric oxide, a potent vasodilator C) activate the paracrine signaling pathways that form blood clots D) stimulate vasoconstriction in the kidneys

Biology & Microbiology