/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Problem 2 In what way was Chargaff's rule ... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 3: Problem 2

In what way was Chargaff's rule an essential part of Watson and Crick's discovery of the double helix structure?

Short Answer

Expert verified
Answer: Chargaff's rule played a crucial role in Watson and Crick's discovery of the double helix structure of DNA by providing the basis for understanding the pairing between the nitrogenous bases, A-T and G-C. These complementary base pairs explained how genetic information could be preserved and replicated, allowing Watson and Crick to propose the double helix DNA structure.

Step by step solution

01

Explain Chargaff's rule

Chargaff's rule states that in any given organism's DNA, the quantity of adenine (A) is approximately equal to the quantity of thymine (T), and the quantity of cytosine (C) is approximately equal to the quantity of guanine (G). This rule describes that A-T and G-C form pairs which are complementary to each other in the DNA structure.
02

Discuss Watson and Crick's discovery of the double helix structure

Watson and Crick proposed the double helix model of the DNA structure in 1953. In their model, they described that DNA consists of two chains of nucleotides running in opposite directions, forming a ladder-like structure. These chains are held together by hydrogen bonds between the bases of the nucleotides, specifically between A-T and G-C bases. This structure allows for effective and accurate replication of genetic information during cell division.
03

Explain the role of Chargaff's rule in Watson and Crick's discovery

Chargaff's rule played a crucial role in the discovery of the double helix structure of DNA by Watson and Crick. It provided the basis for understanding the pairing between the nitrogenous bases, which helped them figure out that A-T and G-C form bonded pairs in the DNA structure. These complementary base pairs explained how the genetic information could be preserved and replicated as each strand could serve as a template to reproduce the other. Therefore, Chargaff's rule was an essential component in understanding and proposing the biochemical nature of the double helix DNA structure.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

What are the topological properties of DNA, and how are they related to each other? Which of these can be changed without cleaving the DNA backbone?

What is the difference between a nucleoside and a nucleotide?

What is the difference between type I and type II topoisomerases with respect to DNA cleavage?

What are the three forms of double-helical DNA? Discuss their similarities and the major differences.

Describe the difference between intron and exon sequences in eukaryotic genes.
See all solutions

Recommended explanations on Biology Textbooks

Organ Systems

Read Explanation

Energy Transfers

Read Explanation

Microbiology

Read Explanation

Genetic Information

Read Explanation

Astrobiological Science

Read Explanation

Biological Structures

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.