Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 8, Problem 7TYU
Summary Introduction

To draw: The metabolic pathways with the help of arrows on the basis of the given statements.

Given data: The metabolic pathway is described with the help of the following statements:

1. L forms either N or M and M forms O.

2. O will form either R or P, R form S and P will form Q.

3. The reaction from L to M is inhibited by O.

4. The reaction from O to R is inhibited by S and from O to P is inhibited by Q.

The inhibition reaction should be drawn with the help of red colored arrows and a minus sign.

Introduction: The cell possesses an ability to regulate the pathways (metabolic) by controlling the activity of various enzymes. This is done by switching off or on the gene which encodes for particular enzymes. There would be occurrences of chemical chaos, if the metabolic pathways of a cell operate simultaneously, so they are operated distinctly.

Summary Introduction

To determine: Which of the given reactions from the branched metabolic pathway would prevail, if Q and S will be present in higher concentrations.

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