What are nucleases? -Biology

What are nucleases? -Biology
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What are nucleases? -Biology

Description : What are nucleases? -Biology

Last Answer : answer:

The best example of extracellular enzymes (exoenzyme) is (A) Nucleases (B) Digestive enzymes (C) Succinic dehydrogenase (D) None of these

Description : The best example of extracellular enzymes (exoenzyme) is (A) Nucleases (B) Digestive enzymes (C) Succinic dehydrogenase (D) None of these

Last Answer : Answer : C

Proteins are digested by – (1) Proteases (2) mylases (3) Lipases (4) Nucleases

Description : Proteins are digested by – (1) Proteases (2) mylases (3) Lipases (4) Nucleases

Last Answer : (1) Proteases Explanation: The digestion of proteins, take place by enzymes called proteases, which begins in the stomach, where pepsin breaks down some proteins into polypeptides. The end products of protein digestion are amino acids which can be absorbed.

The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Description : The restriction enzymes are used in genetic engineering, because (a) they can cut DNA at specific base sequence (b) they are nucleases that cut DNA at variable sites (c) they can degrade harmful proteins (d) they can join different DNA fragments.

Last Answer : (a) they can cut DNA at specific base sequence

DNA fragments generated by the restriction endo- nucleases in a chemical reaction can be separated by (a) electrophoresis (b) restriction mapping (c) centrifugation (d) polymerase chain reaction.

Description : DNA fragments generated by the restriction endo- nucleases in a chemical reaction can be separated by (a) electrophoresis (b) restriction mapping (c) centrifugation (d) polymerase chain reaction.

Last Answer : (a) electrophoresis

Choose the correct pair from the following. (a) Ligases - Join the two DNA molecules (b) Polymerases - Break the DNA into fragments (c) Nucleases - Separate the two strands of DNA (d) Exonucleases - Make cuts at specific positions within DNA

Description : Choose the correct pair from the following. (a) Ligases - Join the two DNA molecules (b) Polymerases - Break the DNA into fragments (c) Nucleases - Separate the two strands of DNA (d) Exonucleases - Make cuts at specific positions within DNA

Last Answer : (a) Ligases - Join the two DNA molecules

Proteins are digested by (1) Proteases (2) Amylases (3) Lipases (4) Nucleases

Description : Proteins are digested by (1) Proteases (2) Amylases (3) Lipases (4) Nucleases

Last Answer : Proteases