Fundamentals of Biochemistry: Life at the Molecular Level
Fundamentals of Biochemistry: Life at the Molecular Level
5th Edition
ISBN: 9781118918401
Author: Donald Voet, Judith G. Voet, Charlotte W. Pratt
Publisher: WILEY
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Chapter 10, Problem 10E

(a)

Summary Introduction

To explain: What triggers the gate to open during ion transport by acetylcholine receptor.

Concept introduction: A neurotransmitter called acetylcholine releases from the end of nerve cell when the electrical impulses proceed down a motor nerve. Acetylcholine, a biologically active substance, utilizes its action on the cell by binding and activating receptors present on the surface of cells.

(b)

Summary Introduction

To explain: Whether the Na+ ion flow occurs in or out of the muscle cell by acetylcholine receptor.

Concept introduction: A neurotransmitter called acetylcholine releases from the end of nerve cell when the electrical impulses proceed down a motor nerve. Acetylcholine, a biologically active substance, utilizes its action on the cell by binding and activating receptors present on the surface of cells.

Summary Introduction

To explain: The reason for inward flow of Na+ ions to the muscle cell by acetylcholine receptor.

Concept introduction: A neurotransmitter called acetylcholine releases from the end of nerve cell when the electrical impulses proceed down a motor nerve. Acetylcholine, a biologically active substance, utilizes its action on the cell by binding and activating receptors present on the surface of cells.

(c)

Summary Introduction

To explain: How the Na+ flow through the ion channel would change the membrane potential

Concept introduction: A neurotransmitter called acetylcholine releases from the end of nerve cell when the electrical impulses proceed down a motor nerve. Acetylcholine, a biologically active substance, utilizes its action on the cell by binding and activating receptors present on the surface of cells.

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