Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078024269
ISBN 13: 978-0-07802-426-9

Chapter 12 - Molecular Biology of the Gene - Assess - Page 227: 12

Answer

(a) The RNA codons will be GGA GGA CUU ACG UUU. (b) The tRNA codons are CCU CCU GAA UGC AAA. (c) The sequence of amino acids is glycine-glycine-leucine-threonine-phenylalanine.

Work Step by Step

(a) The RNA codons will be complementary to the template strand and similar to the nontemplate strand. The base adenine (A) pairs with uracil (U), and the base cytosine (C) pairs with guanine (G). The RNA codons will be GGA GGA CUU ACG UUU. (b) The tRNA codons will be complementary to the RNA codons in part (a). The tRNA codons are CCU CCU GAA UGC AAA. (c) The amino acid line-up corresponds to the RNA codons in part (a). GGA = glycine CUU = leucine ACG = threonine UUU = phenylalanine The sequence of amino acids is glycine-glycine-leucine-threonine-phenylalanine.
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