Quiz on the Cell Cycle

What is the Cell Cycle?

• A repeated pattern of growth, DNA duplication, and cell division in eukaryotic cells

• A process of photosynthesis in plant cells

• A method of protein synthesis in prokaryotic cells

• A type of cellular respiration in animal cells

What are the two main purposes of the Cell Cycle?

• Growth and repair

• Energy production and storage

• Photosynthesis and respiration

• Protein synthesis and degradation

Which phase of the Cell Cycle is associated with cell growth?

• Interphase

• Mitosis

• Cytokinesis

• Anaphase

Which phase of interphase involves cell growth and protein synthesis?

• S phase

• G1 phase

• G2 phase

• M phase

During which phase does DNA replication occur, doubling the number of chromosomes?

• G1 phase

• G2 phase

• S phase

• M phase

What happens during the G2 phase of interphase?

• DNA replication

• Cell division

• More cell growth and protein synthesis

• Chromosome alignment

What term describes the organization of DNA in human body cells?

• Haploid

• Diploid

• Triploid

• Tetraploid

What is the total number of chromosomes in a diploid human cell?

• 23

• 46

• 69

• 92

What is the centromere?

• The end of a DNA molecule

• One half of a duplicated chromosome

• The region of the condensed chromosomes that looks pinched

• Two identical chromatids

What is a telomere?

• The region of the condensed chromosomes that looks pinched

• One half of a duplicated chromosome

• Two identical chromatids

• The ends of the DNA molecule