Cells and Life

When did Robert Hooke build the first microscope?

• 100 years ago

• 200 years ago

• 300 years ago

• 400 years ago

Why did he call them cells?

• they looked like small grapes

• they looked like small books

• they looked like small boats

• they looked like small rooms

What does Cell Theory say?

• all living things are made of cells

• some living things are made of cells

• the cell is the smallest unit of life

• all new cells come from pre-exisiting cells

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What is true of water in the cells?

• it makes up 80% of the cell

• it makes up 70% of the cell

• it helps maintain homeostasis

• it cannot dissolve substances

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How many types of macromolecules are there?

• 2

• 4

• 6

• 8

What does nucleic acid do in the cell?

• contains genetic information

• DNA gives instructions

• protects the cell

• RNA makes protein

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What does carbohydrate do in the cell?

• creates DNA

• stores energy

• gives structure

• communicates

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What do lipids do in the cell?

• creates a protective layer

• makes protein

• stores energy

• communicates

What do proteins do in the cell?

• transport

• break down food

• provides structure

• makes ribosomes

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