CFB Biology U6 DNA and Mitosis

Front

What is the cell cycle?

Back

The cell cycle is the series of phases that a cell goes through to grow and divide, including interphase (G1, S, G2) and mitosis.

Front

What happens during the S phase of the cell cycle?

Back

During the S phase, DNA is replicated, resulting in two identical sets of chromosomes.

Front

What is mitosis?

Back

Mitosis is the process of cell division that results in two genetically identical daughter cells.

Front

What is a tumor?

Back

A tumor is a mass of cells that forms when cell division is uncontrolled and rapid.

Front

What is the role of G phase in the cell cycle?

Back

G phase is a resting period where cells can exit the cycle and may re-enter later.

Front

How do cancer cells differ from normal cells in the cell cycle?

Back

Cancer cells cannot enter G phase and often repeat the cell cycle continuously.

Front

What is a pentose sugar?

Back

A pentose sugar is a five-carbon sugar molecule, such as ribose or deoxyribose, important in the structure of nucleotides.

Front

What are nitrogenous bases?

Back

Nitrogenous bases are the building blocks of DNA and RNA, including adenine, thymine, cytosine, guanine, and uracil.

Front

What is the significance of mitosis in an organism's growth?

Back

Mitosis allows for specific tissues and organs to grow and develop during an organism's early stages.

Front

What is the difference between benign and malignant tumors?

Back

Benign tumors are non-cancerous and do not spread, while malignant tumors are cancerous and can invade nearby tissues.