Cell structures

What is a Eukaryotic cell?
A Eukaryotic cells are plant and animal cells which are very developed.
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List features that all Eukaryotic cells have.
All Eukaryotic cells have a cell membrane, cytoplasm and genetic material wrapped around the nucleus>
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What is the size range of an animal plant ?
10nm to 30nm
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What is the size range of a plant cell?
10nm to 100nm
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what are the major differences between plant and animal cells?
plant cells have additional features, for example they have a vacuole and chloroplasts.
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what is the function of a vacuole
the vacuole stores cell sap (glucose)
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what is the function of chloroplasts?
chloroplasts trap sunlight using a green pigment called chlorophyl.
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what is the function of a ribosome?
a ribosome produces protein for the cell.
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what is the function of mitochondria?
mitochondria release energy that is stored in glucose, in aerobic respiration>
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what is the function of the cell membrane
the cell membrane is semi-permeable and will allow oxygen and glucose to enter the cell, but also allow carbon dioxide and waste to leave the cell.
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what is the function of cytoplasm?
cytoplasm is a liquid substance where most of the reactions take place in the cell.
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why do plant cells have a cell wall?
plant cells have a cell wall (made of cellulose) as the plant cell always has to be full with water and the cell membrane would not be able contain this, and the cell would probably burst.
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What is a prokaryotic cell?
a prokaryotic cell, typically bacteria, have a cytoplasm and cell membrane, surrounded by a cell wall, however DON'T have a nucleus.
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what do prokaryotic cells have instead of a nucleus?
a loop of genetic material which floats around the cell.
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what are some of the features of a prokaryotic cell?
slime capsule, plasmids, flagellum.
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what is the function of a flagellum?
flagellum help the cells swim in water.
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what is the function of the slime capsule?
the slime capsule protects the cell when the cell is in the air.
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what does turgid mean?
turgid means that the plant cell is full of water>
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what are plasmids?
a plasmid is a small section of a loop of genetic material.
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why do plasmids present a threat to antibiotics?
plasmids can travel across cells and species through the semi-permeable cell membrane, this means that antibiotic resistance genes can easily spread.
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how can plasmids be used to help humans?
we can cut open plasmids using enzymes and put in a human gene, eg one that produces insulin, and we can then genetically engineer the cells to produce medicines for us.
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how to prokaryotic cells produce?
binary fission
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what is binary fission?
binary fission is where everything in the cell replicate and then the cell divides in two.
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List features that all Eukaryotic cells have.

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All Eukaryotic cells have a cell membrane, cytoplasm and genetic material wrapped around the nucleus>

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What is the size range of an animal plant ?

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Card 4

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What is the size range of a plant cell?

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what are the major differences between plant and animal cells?

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