PRINCIPLES OF LIFE
PRINCIPLES OF LIFE
3rd Edition
ISBN: 9781319017712
Author: HILLIS
Publisher: MAC HIGHER
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Chapter 7.5, Problem 1RA
Summary Introduction

To define: The presence of active or inactive CDK that acts at the restriction point (R) at the beginning of G1.

Introduction: The Cyclin-dependent kinases (CDK) are the protein kinases that regulate the cell cycle. The CDK also regulate transcription and the differentiation of nerve cells.

Summary Introduction

To describe: The presence of cyclins if the culture were at the restriction point, at the end of G1.

Introduction: The cyclins are the holoenzymes CDK complexes. Three of these classes, G1/S cyclins, S cyclins, and M cyclins, are directly involved in the control of cell cycle events.

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The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY