Which of the following types of mutations could result in a frameshift mutation?

A. either an insertion or a deletion of a base
B. a base insertion only
C. a base deletion only
D. deletion of three consecutive bases
E. a base substitution only


Ans: A. either an insertion or a deletion of a base

Biology & Microbiology

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_____ chlorophyll _____ terpenoids _____ nicotine _____ spines

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In both prokaryotes and eukaryotes the start codon (or initiator codon) is ____, which codes for the

amino acid ____.

a. UGA; proline b. UUU; phenylalanine c. AAA; lysine d. ACG; threonine e. AUG; methionine

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At the end of aerobic cellular respiration, how many total carbon dioxide molecules are produced for each glucose metabolized?

A) 2 B) 36 C) 32 D) 6 E) 4

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If the nitrogenous bases of both a DNA transposon and a retrotransposon were tagged with fluorescent markers, what statement best describes the result after transposition of both types of transposable elements (TEs) has occurred?

A. The markers would be found at the new site of the retrotransposon, but not at the new site of the DNA transposon. B. The markers would be not be found at either new site. C. The markers would be found at the new site of the DNA transposon, but not at the new site of the retrotransposon. D. The markers would be found at the new sites of the DNA transposon and the retrotransposon.

Biology & Microbiology