What is the primary function of restriction enzymes in bacteria?

Restriction Enzymes and Recombinant DNA

Interactive Video
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Biology, Science, Chemistry
•
9th - 10th Grade
•
Hard

Patricia Brown
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To repair DNA damage
To recognize and cut specific DNA sequences
To replicate DNA
To synthesize proteins
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do restriction enzymes identify where to cut the DNA?
By measuring DNA length
By detecting protein structures
By binding to RNA molecules
By recognizing specific nucleotide sequences
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What characteristic do the recognition sequences of restriction enzymes usually have?
They are random sequences
They are unique to each organism
They are composed of RNA
They are palindromic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of ends do staggered cuts by restriction enzymes produce?
Double-stranded ends
Blunt ends
Sticky ends
Circular ends
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does DNA ligase play in recombinant DNA technology?
It unwinds the DNA helix
It cuts DNA at specific sites
It joins DNA fragments together
It synthesizes new DNA strands
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why were engineered nucleases developed?
To repair DNA damage
To cut RNA sequences
To recognize longer DNA sequences
To synthesize proteins
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of an engineered nuclease?
Helicase
RNA ligase
DNA polymerase
Zinc-finger nuclease
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