Question

What is the purpose of the proofreading function of DNA polymerase?

• A. To synthesize RNA primers
• B. To correct errors in DNA synthesis
• C. To unwind the DNA strands
• D. To join Okazaki fragments

Answer 1

Answer:

B. To correct errors in DNA synthesis

DNA proofreading is a process that corrects errors in DNA replication by removing and replacing incorrectly added nucleotides. This process is performed by DNA polymerases, which are enzymes that build DNA in cells.