the smallest structural and functional unit of an organism, which is typically microscopic and consists of cytoplasm and a nucleus enclosed in a membrane.
the smallest particle of a chemical element that can exist.
Question 3
Question
What do plant cells have that animal cells don't?
Answer
Cell wall, chloroplasts, vacuole
Nucleus, cytoplasm, cell membrane, mitochondria
Question 4
Question
What do plant cells and animal cells have in common?
Answer
They both have a nucleus, cytoplasm, cell membrane and mitochondria
They both have a cell wall and mitochondria
Question 5
Question
What comes first, the cell wall or the cell membrane?
Answer
cell wall
cell membrane
Question 6
Question
What are cell walls made of?
Answer
cellulose
cellulite
Question 7
Question
The nucleus of a cell is in the vacuole.
Answer
True
False
Question 8
Question
What contains genetic material and controls the activities of a cell?
Answer
Mitochondria
Cytoplasm
Cell membrane
Nucleus
Question 9
Question
Where do most chemical processes take place and what is controlled by enzymes?
Answer
Nucleus
Cytoplasm
Cell membrane
Mitochondria
Question 10
Question
What controls the movement of substances in and out of a cell?
Answer
Cell membrane
Nucleus
Mitochondria
Question 11
Question
Where is the most energy released by respiration?
Answer
Nucleus
Cytoplasm
Mitochondria
Question 12
Question
Why can animal cells burst where plant cells can't?
Answer
Plant cells have a cell wall which supports the cell and prevents it from bursting when the cell is full of water (turgid).
They have chloroplasts.
They have a permanent vacuole which is filled with cell sap to keep the cell turgid.
Question 13
Question
What is the function of chloroplasts?
Answer
They contain chlorophyll which absorbs light energy for photosynthesis.
They are filled with cell sap to keep the cell turgid.