Genetics: Analysis and Principles
Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 14, Problem 1CONQ

What is the difference between a constitutive gene and a regulated gene?

Expert Solution & Answer
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Summary Introduction

To review:

The differences between a regulated gene and a consecutive gene.

Introduction:

Gene regulation is a process in which, the level of gene expression maintains and varies under different conditions. Some genes are regulated at the time of gene regulation only. There are three types of a regulatory genes which are, repressor, activator, and inducer. Some genes are expressed occasionally.

Explanation of Solution

The difference between a regulated gene and consecutive gene are as follows:

Regulated gene Constitutive gene
These genes are expressed occasionally. These genes are usually expressed all the time in the cell.
The amount can vary according to the condition. These genes are expressed at a fixed rate.
Structure of a regulated gene is quite complicated. The structure is simpler.
Examples: enzymes in pancreas (insulin gene) Examples: enzymes in glycolysis process
Conclusion

Therefore, it can be concluded that there are many differences between consecutive and regulated gene. The key difference between them is, a regulated gene is expressed occasionally whereas, a consecutive gene is expressed usually, all the time in the cell.

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Chapter 14 Solutions

Genetics: Analysis and Principles

Ch. 14.4 - Prob. 2COMQCh. 14.5 - 1. For a riboswitch that controls transcription,...Ch. 14 - 1. What is the difference between a constitutive...Ch. 14 - In general, why is it important to regulate genes?...Ch. 14 - Prob. 3CONQCh. 14 - Transcriptional regulation often involves a...Ch. 14 - An operon is repressible-a small effector molecule...Ch. 14 - Prob. 6CONQCh. 14 - 7. What is enzyme adaptation? From a genetic point...Ch. 14 - Prob. 8CONQCh. 14 - Prob. 9CONQCh. 14 - Prob. 10CONQCh. 14 - Mutations may have an effect on the expression of...Ch. 14 - 12. Would a mutation that inactivated lac...Ch. 14 - Prob. 13CONQCh. 14 - 14. As shown in Figure 14.12, four regions within...Ch. 14 - 15. As described in Chapter 13, enzymes known as...Ch. 14 - 16. The combination of a 3–4 stem-loop and a...Ch. 14 - 17. Mutations in tRNA genes can create tRNAs that...Ch. 14 - Prob. 18CONQCh. 14 - Prob. 19CONQCh. 14 - A species of bacteria can synthesize the amino...Ch. 14 - 21. Using three examples, describe how allosteric...Ch. 14 - How are the actions of lac repressor and trp...Ch. 14 - 23. Transcriptional repressor proteins (e.g., lac...Ch. 14 - Answer the following questions that pertain to the...Ch. 14 - Chapter 21 describes a blotting method known as...Ch. 14 - As described in experimental question E2 and also...Ch. 14 - Prob. 4EQCh. 14 - Explain how the data shown in Figure 14.9 indicate...Ch. 14 - Prob. 6EQCh. 14 - Lets suppose you have isolated a mutant strain of...Ch. 14 - Prob. 1QSDCCh. 14 - Prob. 2QSDC
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QCE Biology: Introduction to Gene Expression; Author: Atomi;https://www.youtube.com/watch?v=a7hydUtCIJk;License: Standard YouTube License, CC-BY