Biology Illinois Edition (Glencoe Science)
Biology Illinois Edition (Glencoe Science)
7th Edition
ISBN: 9780078759864
Author: Alton Biggs
Publisher: MCG
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Question
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Chapter 13, Problem 11A
Summary Introduction

To fill:

The correct term in the given blank.

Introduction:

Researchers use genetic engineering to manipulate DNA. Biotechnology is the science of using genetic engineering to solve problems. It makes possible to produce organisms that contain individual genes from another organism. Recombinant DNA contains DNA from different sources.

Expert Solution & Answer
Check Mark

Answer to Problem 11A

Biologists use DNA ligase to join two DNA molecules together.

Explanation of Solution

An enzyme normally used by cells for DNA repair and replication is DNA ligase. It can join two DNA fragments chemically. Ligase joins DNA fragments that have both sticky ends as well as those that have blunt ends.

Recombinant DNA can be made by connecting fragments of DNA from different sources. DNA ligase is used to join a plasmid DNA and a DNA fragment obtained from another genome to create a recombinant plasmid DNA.

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