Improving Micro-Organisms Simplified Revision Notes for Scottish Highers Biology

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Learn about Genetic Control of Metabolism for your Scottish Highers Biology Exam. This Revision Note includes a summary of Genetic Control of Metabolism for easy recall in your Biology exam

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Improving Micro-organisms

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Improving Micro-organisms

Introduction

Scientists aim to modify the DNA of wild micro-organisms to enhance their ability to produce useful substances or improve efficiency.

New Mutations

New mutations provide essential variation within micro-organism populations.
These mutations are crucial for improving wild strains of micro-organisms.
Mutations can be induced using mutagenic agents.

Mutagenesis

Mutagenesis is the process of altering a micro-organism's genetic material using mutagenic agents.
Two main types of mutagenic agents are used:
- Radiation: Examples include UV light, X-rays, and gamma rays.
- Chemical: Examples include mustard gas and lead oxide.

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Summary

Scientists employ mutagenesis to modify micro-organisms for enhanced substance production and efficiency.
Mutagenic agents, including radiation and chemicals, induce mutations in micro-organisms' genetic material.

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