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Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892

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BuyFindarrow_forward

Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

What is the role of the ZENK enzyme in song learning?

Summary Introduction

To review:

The role of ZENK enzyme in the learning of songs in birds.

Introduction:

ZENK enzyme is the product of Zenk gene, which is expressed in the nuclei of certain neurons. This enzyme triggers certain responses in the brain of the bird on listening to a song.

Explanation

The acoustical signals in the form of songs, when sung by the birds of their own species, are heard, which act as a stimulus to trigger the expression of Zenk gene in the nucleus of neurons. The levels of the ZENK mRNA (messenger ribonucleic acid) from the ZENK gene increases, which prepares the neurons for a biological response...

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