cell structure and function
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| eukaryotic cells | fungi, plants, 10-100 micrometers, nucleus with envelope, 80s, flagella/cilia made of tubulin, cytoskeleton, 1-100 mitochondria, chloroplasts in algae and plants, multi-cellular, mitosis.
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| prokaryotic cells | bacteria, 1-10 micrometers, no nucleus, 70s, few structures, flagellae/cilia made of flagellin, no mitochondria, no chloroplasts, single celled,simple division.
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| cell membrane | controls what enters/leaves the cell.
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| cytoplasm | everything within the cell membrane- cytosol and organelles.
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| nucleus | holds DNA in it, contains a nucleolus.
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| nuclear envelope | has pores so proteins and mRNA can pass through it. double membrane.
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| mitochondria | site of respiration. uses ATP. inner membrane of it has many fold, called cristae.
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| ribosomes | site of protein synthesis.
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| rough ER | has ribosomes on the outer side of it, site of protein synthesis.
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| smooth ER | where proteins are prepared for secretion, where polypeptides are converted into functional proteins.
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| golgi apparatus | processes proteins, packages them and secretes them. adds carbohydrates to them. pinches off vesicles.
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| lysosomes | site of protein digestion, formed pieces of golgi.
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| cytoskeleton | maintains the shape of the cell, serve as tracks for organelles to move along within the cell, they form the centriole.
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| centriole | two bundles of microtubules at right angles to each other.
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| cilia and flagellae | assist movement,keep bacteria from entering the body.
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| cell wall (plant cells) | freely permeable, rigid- helps to support and protect the plant.
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| vacuoles (plant cells) | large membrane bound sac, storage area for waste
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| chloroplasts (plant cells) | thylakoids which contain chlorophyll, arranged in stacks called granum, space in-between- stroma.
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| website i used |
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Created by:
SophieByrom
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