Cell cycle checkpoints

Front

Which molecules act as gatekeepers for each checkpoint of the cell cycle?

Back

cyclins and cycline-dependent kinases

Front

What is the purpose of the cell cycle checkpoints?

Back

To repair damaged cells before they enter cell division.

Front

How many cell cycle checkpoints are there?

Back

3

Front

What is the first checkpoint of the cell cycle?

Back

G₁ checkpoint

Front

When is apoptosis initiated?

Back

When DNA damage cannot be repaired.

Front

Uncontrolled cell division is stopped by...

Back

tumor suppressor genes

Front

Which is an example of a tumor suppressor gene? Options: apoptosis, proto-oncogenes, p53, oncogenes

Back

p53

Front

Normal cell division is regulated by...

Back

Proto-oncogenes

Front

p53 activates which of the following? Options: Tumor suppressor genes, cell cycle, DNA repair proteins, uncontrolled cell division

Back

DNA repair proteins

Front

Proto-oncogenes can mutate into...

Back

oncogenes