Lehninger Principles of Biochemistry 6th Edition

Published by W.H. Freeman
ISBN 10: 1-42923-414-8
ISBN 13: 978-1-42923-414-6

Chapter 1 - The Foundations of Biochemistry - Problems: 12


a) Constituents of GTP are three phosphoric acid groups, one ribose sugar, and guanine. b) Constituents of methionine enkephalin are the amino acids methionine, tyrosine, glycine, and phenylalanine. c) Constituents of phosphatidylcholine are phosphoric acid, choline, glycerol, oleic acid, and palmitic acid.

Work Step by Step

Constituents of a bio-molecule can be identified by recognizing structure of individual components. For example, GTP is a nuclotide triphosphate. Nucleotide triphosphates are made up of three phosphoric acids, ribose (in case of RNA) or deoxy ribose sugar (in DNA) and a base. In this case it is a guanine.
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