HBio: Cell Growth & Division

Which surface area : volume ratio represents the MOST effective cell?

• 2:1

• 1:2

• 6:1

• 1:6

Identify the equation for the volume of a cube.

• L x W x H

• L x W x number of sides

Small cells are more efficient than large cells because in a small cell, the nucleus has a difficult time controlling the many cell parts.

• True

• False

Which is NOT a reason that cells divide?

• to keep cells small

• to increase cell size

• to make more cells for growth

• to make more cells for repair

Tags

NGSS.HS-LS1-4

When a cell is dividing, the DNA must coil up tight so it doesn't get damaged or lost. What form of DNA is this?

• nucleolus

• chromosome

• ribosome

• chromatin

What are identical copies of chromosomes called and what is the protein that holds them together?

• spindles, homologous chromosomes

• homologous chromosomes, centromere

• sister chromatids, spindles

• sister chromatids, centromere

Tags

NGSS.HS-LS1-4

If the surface area is 132 mm² and the volume is 22 mm³, what is the reduced SA:V ratio?

• 2:1

• 3:1

• 4:1

• 6:1

What cell part directs all cell activities?

• nucleus

• ribosome

• endoplasmic reticulu

• Golgi apparatus

Tags

NGSS.MS-LS1-2

What cell part makes proteins?

• nucleus

• ribosome

• endoplasmic reticulu

• Golgi apparatus

Which of the following is a characteristic of life?

• language

• moving

• growth and development

• socialization

Tags

NGSS.HS-LS1-4