Which of the following statements about heparin and Taq polymerase is true?

The statement regarding heparin's interaction with Taq polymerase that is correct is that heparin does not interfere with Taq polymerase. This indicates that when conducting molecular assays that utilize Taq polymerase, the presence of heparin does not negatively impact the enzyme’s ability to synthesize DNA.

Taq polymerase is widely used in PCR (Polymerase Chain Reaction) due to its ability to function at high temperatures, which is essential for the denaturation step of PCR. While certain anticoagulants can affect enzyme activity, heparin has been shown to have a neutral effect on Taq, allowing for effective amplification without significant inhibition or enhancement.

This understanding is beneficial because it allows researchers to use sample types, such as blood or plasma, where heparin might be present without the need to eliminate it prior to PCR, which could save time and resources in molecular testing applications.