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Human Biology (MindTap Course List)

11th Edition
Cecie Starr + 1 other
ISBN: 9781305112100

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BuyFindarrow_forward

Human Biology (MindTap Course List)

11th Edition
Cecie Starr + 1 other
ISBN: 9781305112100
Textbook Problem

mRNA is produced by ___________.

  1. a. replication
  2. b. duplication
  3. c. transcription
  4. d. translation

Summary Introduction

Introduction: Replication, transcription, and translation are all part of the central dogma that is vital for functioning of the cell. Messenger RNA (mRNA) plays a vital role in translation.

Explanation

Reasons for the correct answer:

Transcription occurs in nucleus. During transcription, a DNA strand is used as template and RNA polymerase synthesizes mRNA containing codons in the 5`à3` direction. mRNA then leaves a nucleus and enters cytoplasm for translation. mRNA codons code for a particular amino acid.

Option c. is given as “transcription”

Since the end product of transcription is mRNA, option c. is correct.

Reasons for the incorrect answers:

Option a. is given as “replication”...

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