A Level Biology Cell Cycle Quiz 6.1

What is the process by which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets in two nuclei?

• Mitosis

• Meiosis

• Photosynthesis

• Glycolysis

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

• G2 phase

• M phase

• S phase

• G1 phase

What is the name of the protein complex that is responsible for regulating the cell cycle by monitoring the integrity of the DNA?

• checkpoint kinase (Chk1/Chk2) complex

• Mitochondrial complex

• Endoplasmic reticulum complex

• Golgi apparatus complex

During which phase of the cell cycle does the cell grow and prepare for DNA replication?

• Interphase

• Anaphase

• Metaphase

• Telophase

What is the name of the protein that regulates the progression of the cell cycle by binding to cyclin-dependent kinases?

• Cellin

• Cyclin

• Kinase regulator

• Protein X

What is the term for the process by which a single parent cell divides to produce two daughter cells?

• cell division

• cell multiplication

• cell addition

• cell subtraction

Which phase of mitosis involves the alignment of chromosomes at the cell's equator?

• Telophase

• Anaphase

• Prophase

• Metaphase

What is the name of the enzyme responsible for unwinding the DNA double helix during DNA replication?

• DNA polymerase

• Ligase

• RNA polymerase

• helicase

What is the term for the phase of the cell cycle in which the cell undergoes growth and carries out its normal functions?

• Extraphase

• Interphase

• Intraphase

• Outphase

What is the name of the protein that prevents the cell from entering the next phase of the cell cycle until certain conditions are met?

• DNA polymerase

• Hemoglobin

• p53

• Insulin