A strain of bacteria containing F? factor genes is called a
A. hemizygote.
B. merozygote.
C. homozygote.
D. heterozygote.
E. monozygote.
Answer: B
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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
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 DNAExcretion is a process in which ________ is (are) removed from the body.
A. feces B. hormones C. metabolic wastes D. salt E. water
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