Question

Faise)
XXV.
Exonuclease removes nucleotides at specific positions within DNA. (True/False)
xxvi.
SCID is caused due to ADA deficiency in body. (True/False)​

Answer 1

false..they remove from ends

true

Answer 2

XXV. False.

XXVI. True.

Exonuclease can remove nucleotides from DNA. Evident from their name, they remove ends of DNA. On the other hand, endonucleases remove nucleotides at specific part of DNA. Endonucleases find important role in gene editing.

SCID abbreviated for Severe Combined Immunodeficiency results in highly weakened immune system. ADA stands for Adenosine deaminase deficiency. The deficiency is inherited and results in SCID.