The beginning codon of an mRNA strand to produce a protein is a(n)
A. codon.
B. initiator/start codon.
C. terminator/stop codon.
D. anticodon.
B. initiator/start codon.
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Which of the following scientist-discoveries is mismatched?
A. Watson, Crick, Wilkins, and Franklin-DNA structure. B. Avery, MacLeod, and McCarty-DNA is the genetic material. C. Meselson and Stahl-mechanism of DNA replication. D. Griffith-chromosomes.
Angiotensin II has what effect on systemic arterioles?
A) vasospasm B) vasoconstriction and vasospasm C) vasoconstriction D) vasodilation E) neither vasodilation or vasoconstriction, but may cause vasospasm
Many diseases are caused by genes that do not function properly. Which technology involves replacing a defective gene with a normal gene?
A) pharmacogenomics B) recombinant DNA C) gene therapy D) cloning
Evolution can be defined as
A) one species diverging into two species. B) a change in the genetic makeup of a population over time. C) a change in the phenotype of an individual over his or her lifetime. D) a change in the genetic makeup of an organism over time. E) an individual changing into another species.