Growth and Repair

Why do cells need amino acids?

• Unimportant functions

• To form new proteins needed for cell growth and repair

• Only for changing color

• Only for shrinking

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What is necessary for a body to grow?

• Systems and organs need to grow

• Only bones need to grow

• Only muscles need to grow

• Only skin needs to grow

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What happens at the cellular level for growth (make more cells)?

• Cells shrink and disappear

• Cells make new proteins, grow, and divide

• Cells stop functioning

• Cells only change color

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What can you observe through a microscope related to growth?

• Cells dividing to make more cells

• Cells changing color

• Cells shrinking

• Cells disappearing

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Which process is responsible for the growth and repair of human tissue?

• evolution

• germination

• cell division

• natural selection

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When a multicellular organism is damaged, it will repair itself as (a)   ​

• the cells work together

• the cells digest each other

• insulin is added to the bloodstream

• parts are transplanted from other cells

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Cells that are alive will ​ (a)   when the body is ​ (b)   to ​ (c)   cells and fill any gaps.

• divide

• damaged

• replace

• grow larger

• healed

• destroy

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The ____________ ensures that our body’s grow and repair

themselves.

• The cell growth

• The cell repair

• The cell recycle

• The cell cycle

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In order for the bones of the foot to heal after a break, ​existing cells must ​​ (a)     to allow new cells to close the gaps in the bones.  

• grow larger

• reproduce

• get smaller

• eat dead cells

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What happens when millions of healthy cells grow and divide?

• The body shrinks

• The body grows

• The body changes color

• The body stops functioning

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