ESSENTIAL CELL BIOLOGY (LL)-TEXT
ESSENTIAL CELL BIOLOGY (LL)-TEXT
5th Edition
ISBN: 9780393680331
Author: ALBERTS
Publisher: NORTON
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Chapter 9, Problem 8Q
Summary Introduction

To explain: What fraction of the average protein-coding genes in the human chromosome 22 is converted into mRNA.

Introduction: The human genome has been classified according to its intron and exon profiles. Almost 233,784 exons and 20785 introns comprise a human genome. Introns and exons are the coding and non-coding parts in the human genome, respectively. Coding DNA (exon) can be defined as the sequences that can be transcribed into mRNA and translated into proteins. However, non-coding DNA (intron) is made up of those sequences that are not able to transcribe or translate into proteins. Out of the entire human genome, about 90% are introns; only 10% are involved in protein synthesis.

Summary Introduction

To calculate: The fraction of the chromosome 22 that the protein-coding genes occupy.

Introduction: The human genome has been classified according to its intron and exon profiles. Almost 233,784 exons and 20785 introns comprise a human genome. Introns and exons are the coding and non-coding parts in the human genome, respectively. Coding DNA (exon) can be defined as the sequences that can be transcribed into mRNA and translated into proteins. However, non-coding DNA (intron) is made up of those sequences that are not able to transcribe or translate into proteins. Out of the entire human genome, about 90% are introns; only 10% are involved in protein synthesis.

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