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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

How does the activation state of CED-9 play a crucial role inapoptosis?

Summary Introduction

To review:

The activation state of CED-9 (Cell death abnormality gene 9) plays a crucial role in apoptosis.

Introduction:

Apoptosis is also called programmed cell death. This type of cell death occurs orderly, which involves the cell shrinkage, and nuclear and chromosomal fragmentation leading to cell death. It helps in the removal of cancerous and infected cells from the body.

Explanation

Apoptosis process does not take place when CED-9 protein is active. The arrival of death signal causes the inactivation of CED-9 protein and activates other proteins for apoptosis process. CED-9 is a gene found in Caenorhabditis elegans, which stops apoptosis.

When death signals are absent, CED-9 protein gets activated, which inactivates CED-4 protein. It results in the inactivation of CED-3 protease enzymes...

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