Cell Cycle & DNA

Front

What is cancer generally defined as?

Back

Uncontrolled cell division.

Front

What are the two resulting cells in mitosis?

Back

Identical to the starting cell and identical to each other.

Front

What must occur before complementary nucleotides are added during DNA replication?

Back

The DNA molecule must be 'unzipped'.

Front

What is a mass of cancer cells called?

Back

Tumor.

Front

What phase does a damaged or defective cell enter during the cell cycle?

Back

G0 phase.

Front

What are the main stages of the cell cycle?

Back

Interphase (G1, S, G2) and Mitosis.

Front

What happens during the S phase of the cell cycle?

Back

DNA replication occurs.

Front

What is the role of checkpoints in the cell cycle?

Back

To ensure that the cell is ready to proceed to the next phase.

Front

What is apoptosis?

Back

Programmed cell death that can occur if a cell is damaged.

Front

What is the difference between benign and malignant tumors?

Back

Benign tumors do not invade surrounding tissues, while malignant tumors do.