Understanding Cell Biology: A Crash Course Quiz

What is the role of cells in the body as described in the introduction?

• They are passive structures.

• They function independently of the body.

• They are co-stars in our life story.

• They are irrelevant to our existence.

What triggers a flurry of cell division in response to a skin injury?

• Eating healthy food

• Physical exercise

• A cut or a scrape

• Sleeping

Which cells do not divide at all once you are an adult?

• Blood cells

• Muscle cells

• Liver cells

• Skin cells

Which phase of the cell cycle is characterized by DNA replication?

• G1 phase

• M phase

• S phase

• G2 phase

During which phase do cells prepare for DNA synthesis?

• M phase

• G1 phase

• S phase

• G2 phase

What is the mnemonic used to remember the steps of mitosis?

• Please Make Another Tea, Cindy

• Pass Me A Taco, Chef

• Pack My Things, Chris

• Give Me Another Try, Coach

What is the final step of mitosis before cytokinesis?

• Telophase

• Anaphase

• Metaphase

• Prophase

Which phase involves the actual division of the cell into two new cells?

• Interphase

• Prophase

• Telophase

• Cytokinesis

What can result from a failure in the cell cycle control system?

• Improved cell function

• Decreased aging

• Enhanced memory

• Cancer

What is checked by the cell cycle control system before proceeding to mitosis?

• Protein levels

• Oxygen levels

• Chromosome replication

• Nutrient availability