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When a typical restriction enzyme cuts a...

When a typical restriction enzyme cuts a DNA moleule, the cuts are uneven so that the DNA fragments have single-stranded ends . These ends are useful in recombinant DNA work because :

A

they serve as starting points for DNA replication

B

only single stranded DNA segments can code for proteins

C

they enable researchers to use the fragments as molcular probes

D

the fragments will bond to other fragments with complementary ends.

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The correct Answer is:
D
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When a typical restriction enzyme cuts a DNA molecule, the cuts are uneven, so that the DNA fragments have single-stranded ends. These ends are useful in recombinant DNA work because

The enzyme that cuts DNA is :

The enzyme used to cut the DNA molecule is :

The enzyme used to join the DNA fragments is :

The ends of DNA fragments are stickly due to

Which enzyme cuts DNA at specific sites?

When cut by the same restriction enzyme, the resultant DNA fragments have the same kind of sticky-ends and these can be joined together (end to end) using

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