Cell Cycle and Levels of Organization

What is the function of the cell cycle?

• C. Respiration

• A. Tissue repair and growth

• D. Excretion

• B. Digestion

Tags

NGSS.HS-LS1-4

What is the structure formed when DNA associates with histones?

• D. Chromatin

• C. Nucleosome

• A. Chromosome

• B. Nucleus

What is the region on each sister chromatid where they are most closely attached?

• B. Kinetochores

• A. Centromere

• C. Chromatin

• D. Nucleus

Tags

NGSS.HS-LS1-4

What is the term for all of a cell's genetic information (DNA)?

• A. Chromosome

• C. Genome

• D. Nucleosomes

• B. Nucleus

What are the smaller units that made of DNA wrapped around histones?

• D. Chromatids

• C. Histones

• B. Chromatin

• A. Nucleosomes

What is the major function of chromosomes?

• D. Hormone regulation

• C. Waste elimination

• B. Carry Genetic Information

• A. Energy production

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

What is the number of chromosomes in human body cells?

• A. 23

• B. 46

• C. 48

• D. 56

What are the cells that divide by mitosis?

• D. Eukaryotes

• C. Prokaryotes

• B. Gametes

• A. Somatic cells

Tags

NGSS.HS-LS1-4

Which phase of the cell cycle involves DNA replication and chromosome duplication?

• D. Mitosis

• C. G2 phase

• B. S phase

• A. G1 phase

What is the longest portion of the cell cycle?

• D. Mitosis

• B. Interphase

• A. G0 phase

• C. Cytokineses