MUTATION 1. Match the mutagen with the type. a. Nucleotide modifying agents b. non-ionizing radiation c. Ionizing radiat

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Mutation 1 Match The Mutagen With The Type A Nucleotide Modifying Agents B Non Ionizing Radiation C Ionizing Radiat 1 (125.31 KiB) Viewed 13 times

MUTATION 1. Match the mutagen with the type. a. Nucleotide modifying agents b. non-ionizing radiation c. Ionizing radiation d. intercalating agents. e. Nucleoside analog 5-bromouracil Nitrous oxide Polycyclic aromatic hydrocarbons X-rays UV 2. Mutagens ? a. are the sole cause of mutations in DNA. b. come in two basic forms: ionizing and nonionizing radiation. c. decreases the likelihood of mutations in DNA. d. increases the likelihood of mutations in DNA. 3. Match the items. a. Change in DNA due to substitution of a single nucleotide. b. Mutation resulting in a shift in the reading frame. Happens due to insertion or deletion of bases in DNA. c. Mutation that changes mRNA codon for an amino acid to a stop codon. d. Mutation that changes the codon, but no change in the amino acid specified. e. Mutation that results in a change of codon resulting in a different amino acid. Non-sense mutation Missense mutation Silent Mutation Frameshift mutation Point mutation 4. Which of the following could cause a frameshift mutation? a. 5-bromouracil b. Nitrous oxide c. UV 5. Naturally occurring mutations are often referred to as a. insertion b. spontaneous c. induced d. silent mutations. 6. Which of the following describes how 5-bromouracil might create a mutation? a. creates bulges the DNA that must repaired. b. It can form thymine dimers. c. It can replace the base thymine, and can base pair with guanine rather than adenine. d. It causes double-stranded breaks of the DNA.