Cell Cycle & Mitosis Post-Test

Why are cells generally so small?

• They are more efficient in moving nutrients and waste materials across their cell membranes

• They are less efficient in moving nutrients and waste materials across their cell membranes

Which of the 3 spheres have the greatest surface-area-to-volume ratio?

• Sphere 1 (left)

• Sphere 2 (middle)

• Sphere 3 (right)

Which of the following limit cell size?

• Rate of moving materials across the cell's membrane due to its ratio of surface area to volume

• Efficiency of DNA replication and cell division

Why are cells generally so small?

• As they grow, their surface area increases faster than their volume

• As they grow, their volume increases faster than their surface area

_____ reproduction lack genetic diversity while _____ reproduction is advantageous and diverse.

• Asexual; sexual

• Sexual; asexual

Which of these events happens immediately before cell division occurs?

• The cell's genetic material is copied

• The cell’s surface-area-to-volume ratio increases

• The cell's volume decreases more than its surface area

• The cell's DNA is distributed evenly throughout the cell

What does NOT happen during interphase?

• Growth

• DNA replication

• Obtaining nutrients

• Cell division

What are the benefits of the cell cycle?

• Communication among cells

• Maturity and heals wounds

At what stage does a cell spend most of its life?

• Apoptosis

• Cytokinesis

• Interphase

• Mitosis

In eukaryotic cells, genetic information is bundled into packages of DNA called _____.

• centrioles

• centromeres

• chromatin

• chromosomes