What Is the Function of the 5'->3' Exonuclease Activity of DNA

question 46

Multiple Choice

What is the function of the 5'->3' exonuclease activity of DNA polymerase I?

• A)It removes mismatched nucleotides that have been incorporated by mistake.
• B)It replaces mismatched nucleotides with the correctly matched nucleotides.
• C)It removes the DNA primer laid down by the primase at the 5' end of the Okazaki fragment.
• D)It removes the RNA primer laid down by the primase at the 5' end of the Okazaki fragment.
• E)It nicks DNA to create a primer in the middle of a DNA chain.

Understand the structural features of the nephron and their specific functions in urine formation.

Recognize the physiological processes involved in urine concentration and dilution.

Identify the key steps and components of glomerular filtration and renal blood flow regulation.

Comprehend the mechanisms of solute and water reabsorption along different segments of the nephron.

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