Microbiology: Principles and Explorations
Microbiology: Principles and Explorations
10th Edition
ISBN: 9781119390114
Author: Black
Publisher: WILEY
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Chapter 8, Problem 1.1SC

Compare and contrast chromosomes in prokaryotes and cukaryotes

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Summary Introduction

To contrast: The chromosomes in prokaryotes and eukaryotes.

Introduction: The deoxyribonucleic acid (DNA) is the hereditary material that transmits the genetic information from one generation to the next generation. It consists of two strands of polynucleotide chains that are wind around each other to form double helix. It is composed of nucleotides, sugar, and phosphate.

Explanation of Solution

The chromosomes are the threadlike structure that are found in the nucleus and contains hereditary material in the form of genes. The difference between the chromosomes of prokaryotes and eukaryotes are described as follows:

Chromosomes in prokaryotesChromosomes in eukaryotes
  • It consists of short circular chromosomes.
  • It consists of long linear chromosomes.
  • It is made up of single chromosome.
  • It is made up of several chromosomes.
  • It is present in the nucleoid.
  • It is present in the nucleus.
  • It lacks telomere and centromere.
  • It consists of telomere and centromere.
  • It associates with the nucleoid associated protein that helps in the packaging of DNA.
  • It forms special structure called nucleosome by associating with histone proteins.

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