Cell Cycle Quiz

What is the longest stage of the cell cycle?

• Mitosis

• Cytokinesis

• Interphase

• Apoptosis

During which phase does DNA replication occur?

• S Phase

• G1 Phase

• M Phase

• G2 Phase

What happens during the G1 phase?

• Cell division occurs

• DNA is replicated

• Cell grows and performs functions

• Cell prepares for mitosis

What is the purpose of apoptosis?

• To increase cell division

• To prevent overproduction of cells

• To replicate DNA

• To form new cells

What is the first stage of mitosis?

• Prophase

• Anaphase

• Telophase

• Metaphase

What structure forms during cytokinesis in animal cells?

• Nuclear envelope

• Cell wall

• Cell plate

• Contractile ring

What is the role of cyclins in the cell cycle?

• To replicate DNA

• To produce energy

• To control cell division

• To form the mitotic spindle

What occurs during the anaphase of mitosis?

• Chromosomes align at the center

• Sister chromatids are pulled apart

• Chromosomes condense

• Nuclear envelope reforms

What is the main function of the G2 phase?

• Cell growth

• DNA replication

• Preparation for mitosis

• Cell differentiation

Which phase is characterized by the division of the cytoplasm?

• Interphase

• Cytokinesis

• Apoptosis

• Mitosis