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12 Cards in this Set
- Front
- Back
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Recombination will always alter a cell's genotype. |
true |
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Open-reading frames are segments of DNA in which both start and stop codons are found. |
true |
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Bacteria typically contain multiple chromosomes. |
false |
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Mutations that are harmful to cells occur more frequently than those that benefit cells. |
true |
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The miRNAs in a cell inhibit protein synthesis by forming complementary bonds with rRNA. |
false |
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Some organisms may contain multiple genomes. |
false |
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Both base substitution and frameshift mutations can result in the formation of premature stop codons. |
true |
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In the Ames test, any colonies that form on the control should be the result of spontaneous mutations. |
true |
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Transposition results in the formation of base substation mutations in a cell's DNA. |
false |
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Cell-to-cell contact is required for transduction to occur. |
false |
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The miRNAs in a cell
a) are a part of the eukaryotic ribosome. b) are a part of the prokaryotic ribosome. c) are responsible for inducing operons. d) allow different cells to produce different proteins. e) are found in prokaryotic cells. |
d) allow different cells to produce different proteins. |
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An enzyme that catalyzes the cutting and resealing of DNA, and is translated from insertion sequences is
a) RNA polymerase b) transposase c) DNA helicase d) DNA ligase e) DNA polymerase |
b) transposase |
