Biology: The Dynamic Science (MindTap Course List)
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Chapter 25.2, Problem 2SB
Summary Introduction

To review:

The evidence that suggests that RNA (ribonucleic acid)molecules may have functioned as molecular replicators in early protocells.

Introduction:

Protocells are the first formed cells. RNA is a nucleic acid and is a major constituent of biological components essential for all forms of life. It contains information for protein coding. Many viruses have RNA as their genetic material.

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In 40 words or fewer, explain why we think that RNA, and not DNA, was the hereditary material in the first protocell.
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