Essential Cell Biology 5e
Essential Cell Biology 5e
5th Edition
ISBN: 9780393691108
Author: Bruce Alberts, Karen Hopkin, Alexander D Johnson, David Morgan, Martin Raff, Keith Roberts, Peter Wa
Publisher: W. W. Norton
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Chapter 17, Problem 18Q
Summary Introduction

To explain: How the motor proteins generate coordinated movement of individual microtubules rather than engaging in a tug-of-war.

Introduction: The microtubules are hollow and cylindrical in structure. They are approximately 25 nm in diameter, present in all eukaryotic cells and play crucial roles in the determination of s cell shape and also in cellular motility. It is composed of αβ-tubulin having two subunits such as α-tubulin and β-tubulin. The β-tubulin subunits are exposed at the plus ends and α-tubulin subunits are exposed at the minus ends. Kinesis and dyneins are two motor proteins that move along the microtubules.

Summary Introduction

To determine: The direction, in which microtubules crawl on a bed of kinesin molecules.

Introduction: The microtubules are hollow and cylindrical in structure. They are approximately 25 nm in diameter, present in all eukaryotic cells and play crucial roles in the determination of s cell shape and also in cellular motility. It is composed of αβ-tubulin having two subunits such as α-tubulin and β-tubulin. The β-tubulin subunits are exposed at the plus ends and α-tubulin subunits are exposed at the minus ends. Kinesis and dyneins are two motor proteins that move along the microtubules.

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