Becker's World of the Cell (9th Edition)
Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Chapter 3, Problem 3.3PS

(a)

Summary Introduction

To determine: A single amino acid from each pair which is more likely to be found in the interior of the protein molecule. The pairs are as follows:

  • Alanine; glycine.
  • Glutamate; aspartate.
  • Tyrosine; phenylalanine.
  • Methionine; cysteine.

Introduction: The protein is the building block of the body. The long chains of amino acids are joined together by means of “peptide bonds.” The process of synthesis of proteins takes place by the process of translation which uses a “template strand” in the synthesis of protein strands. The mRNA guides the synthesis of the protein molecules.

(b)

Summary Introduction

To explain: The localization of cysteine residues with free sulfhydryl groups on the exterior surface of the protein molecule and the presence of cysteine molecules with disulfide bonds to the interior side of the protein.

Introduction: The protein is the building block of the body. The long chains of amino acids are joined together by means of “peptide bonds.” The process of synthesis of proteins takes place by the process of translation which uses a “template strand” in the synthesis of protein strands. The mRNA guides the synthesis of the protein molecules.

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