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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 11, Problem 8SQ
Textbook Problem
146 views

In intervals of interphase, G stands for ______.

  1. a. a gap
  2. b. growth
  3. c. Gey
  4. d. gene

Summary Introduction

Introduction:

A cell spends most of its life in interphase, where it obtains nutrients and metabolizes them, grows, reads its DNA as a preparation for mitotic division. There are three major stages of cellular interphase, they are G1, S, G2, G0,, where G represents “Gap” and S represents “synthesis”. During this period, the cells prepare themselves by producing protein and other cellular components for the later cell division.

Explanation of Solution

Reason for the correct statement:

The interval in the cell cycle between the two cell divisions when the individual chromosomes cannot be distinguished, interphase was once thought to be resting phase but it is far from a time of rest for the cell. It is the time when DNA is replicated in the cell nucleus. So, G in the interphase represents gap period.

Option a. is given as “gap”. In intervals of interphase, G stands for gap. Hence, option a. is the correct answer.

Reasons for the incorrect statements:

Option b...

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