Assertion (A) All endonucleases cut DNA at specific sites. Reason (R) Endonucleases were discovered from viruses.

Question

Assertion (A) All endonucleases cut DNA at specific sites. Reason (R) Endonucleases were discovered from viruses. (A) If both A and R are true and R is the correct explanation of A (B) If both A and R are true, but R is not the correct explanation of A (C) If A is true, but R is false (D) If A is false, but R is true

Tardigrade Admin · Accepted Answer

Assertion is true, but Reason is false. Reason can be corrected as
Restriction endonucleases were discovered from bacteria, not from viruses.
All endonucleases cut DNA at specific sites within the DNA sequence.

Q. Assertion (A) All endonucleases cut DNA at specific sites. Reason (R) Endonucleases were discovered from viruses.

If both A and R are true and R is the correct explanation of A

If both A and R are true, but R is not the correct explanation of A

If A is true, but R is false

If A is false, but R is true

Assertion is true, but Reason is false. Reason can be corrected as Restriction endonucleases were discovered from bacteria, not from viruses. All endonucleases cut DNA at specific sites within the DNA sequence.

Q. Assertion (A) All endonucleases cut DNA at specific sites.
Reason (R) Endonucleases were discovered from viruses.

Assertion is true, but Reason is false. Reason can be corrected as
Restriction endonucleases were discovered from bacteria, not from viruses.
All endonucleases cut DNA at specific sites within the DNA sequence.