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Questions and Answers
What is the main function of restriction enzymes in bacteria?
What is the main function of restriction enzymes in bacteria?
- Aiding in DNA replication
- Regulating gene expression
- Defending against viral infection (correct)
- Assisting in protein synthesis
How many commonly used restriction enzymes have been identified?
How many commonly used restriction enzymes have been identified?
- 50
- 150 (correct)
- 3500
- 500
What determines the size of restriction fragments produced by restriction enzymes?
What determines the size of restriction fragments produced by restriction enzymes?
- The number of times a given restriction enzyme cuts the DNA (correct)
- The temperature of the reaction
- The concentration of the DNA sample
- The type of bacteria producing the enzyme
How often will the enzyme AluI cut DNA if it recognizes the sequence AGCT?
How often will the enzyme AluI cut DNA if it recognizes the sequence AGCT?
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What is the specific nucleotide sequence recognized by a restriction enzyme called?
What is the specific nucleotide sequence recognized by a restriction enzyme called?
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What is the function of restriction enzymes in bacteria?
What is the function of restriction enzymes in bacteria?
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How many restriction enzymes are commonly used by researchers?
How many restriction enzymes are commonly used by researchers?
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What does a restriction enzyme recognize on DNA?
What does a restriction enzyme recognize on DNA?
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How does the size of restriction fragments vary?
How does the size of restriction fragments vary?
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What determines the average distance between cuts for a restriction enzyme with a four-base recognition sequence?
What determines the average distance between cuts for a restriction enzyme with a four-base recognition sequence?
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