Question

look back at the notes you took throughout the video.
negative regulators
□ serve to move a process forward.
☑ serve to halt a process.
□ examples could be cyclin and cdk.
□ example could be p53

Explanation:

Negative regulators in biological processes function to stop or slow a process, rather than advancing it. Cyclin and CDK are positive regulators that drive cell cycle progression, while p53 is a well-known negative regulator that halts the cell cycle to repair DNA damage or trigger apoptosis.

Answer:

• serve to halt a process.
• example could be p53