Cell Division and Growth Amolify 3.3

What happens to cells when the body grows or repairs itself?

• Cells divide into more cells.

• Cells shrink and disappear.

• Cells merge into one large cell.

• Cells stop functioning.

What is necessary for a body to grow at the cellular level?

• Systems and organs need to shrink

• Cells need to stop dividing

• Cells need to make new proteins and divide

• Systems and organs need to disappear

How does the body repair itself at a cellular level?

• By shrinking old cells

• By growing new cells and cell parts

• By stopping cellular growth

• By removing all damaged cells

What happens to individual cells over time?

• They become immortal

• They shrink and disappear

• They grow indefinitely

• They get old and die

Why is cellular growth important in adults?

• To make them taller

• To replace old cells and repair damaged ones

• To stop all cellular activity

• To reduce the number of cells

What do cells combine to form larger protein molecules for growth and repair?

• Glucose molecules

• Oxygen molecules

• Amino acid molecules

• Water molecules

What do cells need in addition to proteins for growth and repair?

• Carbon dioxide and nitrogen

• Glucose and oxygen

• Water and salt

• Vitamins and minerals