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What is the basic unit of an organism?

• Chloroplast

• Organ

• Organelles

• Cell

What are the small structures inside of cells that carry out specific functions called?

• Organelles

• Tissues

• Organs

All cells come from other...

• cells 
• plants 
• nucleus 
• microscopes 

All living things are made of...

• atoms 
• cells 
• bacteria 
• plants 

The cell membrane is a flexible covering that...

• creates structure and support for plant cells

• protects the cell from the environment outside of the cell

• directs the cells activities

How is a cell membrane like a mesh screen?

• it is metal and has holes in it

• it allows big things to come through but keeps small things out

• it allows small things to come through but keeps big things out

This is the fluid inside a cell that contains salts and other molecules.

• cell membrane

• chloroplasts

• mitochondria

• cytoplasm

Which type of cell has a cell wall?

• plant cell

• animal cell

• both plant and animal cells

A cell wall helps the cell to keep its _____and gives it _____.

• shape, support

• fluid, nutrients

• structure, nutrients

Which part of the cell directs cell activities?

• cytoplasm

• mitochondria

• cell membrane

• nucleus