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bio 311c-Exam 3 key - EXAM 3 KEY Multiple Choice(graded on...

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EXAM 3 KEY Multiple Choice (graded on scantron) 1 c 2 c 3 d 4 c 5 e 6 c 7 e 8 a 9 c 10 c 11 c 12 a 13 c 14 a 15 b 16 c 17 d 18 e 19 d 20 a 21 e 22 c 23 d 24 a 25 b 26 e 27 c 28 d 29 b 30 e 31 a Your multiple choice grade is marked MC on your exam. If you want to see your scantron, please see Dr. Palmer. Short Answer 32. A and D 33(a). tRNA is a single strand of RNA folded into a three dimensional structure by hydrogen bonds between complementary nucleotides. This structure displays three nucleotides at the bottom, an anticodon, which is complementary to (matches) codons on mRNA. The structure allows an amino acid specific to that codon to be attached to the top of the tRNA by aminoacyl synthetase. Thus the structure of tRNA allows information on the mRNA to be translated into the amino acid sequence of the polypeptide. The compact structure of the tRNA also allows it to fit into the appropriate sites on the ribosome. 33(b). Glyoxysomes are specialized peroxysomes that are found in the fat storing tissue of plant seeds. They contain enzymes that initiate the conversion of fatty
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