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biol1201 quiz 19

biol1201 quiz 19 - Selected Answer complementary to the...

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Name: Quiz 19 Status : Completed Score: 55 out of 55 points Time Elapsed: 0 hours, 1 minutes, and 24 seconds out of 1 hours and 0 minutes allowed. Instructions: Question 1 5 of 5 points Which of the following is true of translation in both prokaryotes and eukaryotes? Selected Answer: The codon UUU codes for phenylalanine. Question 2 5 of 5 points When RNA is being made, the RNA base _____ always pairs with the base _____ in DNA. Selected Answer: U ... A Question 3 5 of 5 points Which one of the following statements is true? Selected Answer: Each amino acid in a protein is coded for by three bases in the DNA. Question 4 5 of 5 points Which of the following is not true of a codon? Selected Answer: It extends from one end of a tRNA molecule. Question 5 5 of 5 points Ultraviolet (Uv) radiation is damaging to cells because it _____. Selected Answer: causes mutations in the DNA Question 6 5 of 5 points The anticodon of a particular tRNA molecule is
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Unformatted text preview: Selected Answer: complementary to the corresponding mRNA codon. Question 7 5 of 5 points A point mutation in which a single base pair is inserted or deleted from DNA is called a(n) _____. Selected Answer: frame-shift mutation Question 8 5 of 5 points Which of the following mutations would be most likely to have a harmful effect on an organism? Selected Answer: a single nucleotide insertion downstream of, and close to, the start of the coding sequence Question 9 5 of 5 points What is the proper order of the following events in the expression of a eukaryotic gene? 1. translation 2. RNA processing 3. transcription 4. modification of protein Selected Answer: 3, 2, 1, 4 Question 10 5 of 5 points Which one of the following catalyzes the linkage between ribonucleotides to form RNA during gene expression? Selected Answer: RNA polymerase Question 11 5 of 5 points In transcription, _____. Selected Answer: all of the above...
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