Biology unit 2a

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Name 5 parts human and animal cells have and what their functions are
1)Nucleus- controls cell activity 2)Cytoplasm- where chem reactions take place 3)Cell membrane-controls passage of substances in and out of cell 4)Mitochondria- where most energy is released in respiration 5)Ribosomes- where protein synthesis occurs
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What do plant cells have that animal cells don't?
Cell wall, Chloroplasts, Permanent Vacuole
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What do chloroplasts do?
absorb light to make food
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What is a permanent vacuole filled with?
cell sap
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What does a bacterial cell consist of?
Cytoplasm and membrane surrounded by cell wall. Genes not in a distinct nucleus.
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Yeast is single celled true or false? and what does it contain?
True, contains nucleus, cytoplasm, and membrane surrounded by cell wall.
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How do dissolved substances move in and out of cells?
diffusion
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Define diffusion
net movement of particles of a gas from area of high concentration to low concentration
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How does oxygen pass through cell membrane? and why?
needed for respiration and by diffusion
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define multicellular
having more than 1 cell
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what do multicellular organisms contain?
differentiated cells adapted for different functions
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what is Differentiation?
when cell becomes specialized e.g tissue
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What's Muscular tissue?
contracts bringing about movement
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Glandular tissue?
produces substances e.g enzymes and hormones
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Epithelial tissue?
covers some parts of the bod
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Card 2

Front

What do plant cells have that animal cells don't?

Back

Cell wall, Chloroplasts, Permanent Vacuole

Card 3

Front

What do chloroplasts do?

Back

Preview of the front of card 3

Card 4

Front

What is a permanent vacuole filled with?

Back

Preview of the front of card 4

Card 5

Front

What does a bacterial cell consist of?

Back

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