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science > cell > Flashcards

cell Flashcards

1
Q

forms physical boundary between the cells & it’s environment

A

plasma (cell membrane)

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2
Q

made up of watery substance called cytosol; refers to all of the celluar material inside the plasma membrane other than the nucleus.

A

cytoplasm

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3
Q

structures in the cytoplasm where proteins are made

A

ribosomes

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4
Q

nucleic acid found in cells; contains genetic instructions that cells need to make proteins

A

DNA

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5
Q

cells w/out a membrane bound nucleus

A

prokaryotic cells

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6
Q

only organelles in a projaryotic cell

A

ribosomes

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7
Q

contains a membrane bound nucleus

A

eukaryotic cells

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8
Q

inflexible barrier that provides support & protects the plant cell

A

cell wall

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9
Q

organelles that occur in pairs & are inportant for cell division

A

centrioles

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10
Q

double membrane organelle w/ thykaloids containing chlorophyll where photosynthesis takes place

A

chloroplast

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11
Q

projections from cell surfaces that aid in locomotion & feeding; also used to sweep substances along surfaces

A

cilia

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12
Q

framework for the cell w/in the cytoplasm

A

cytoskeleton

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13
Q

highly folded membrane that is the site of protein synthesis

A

endoplasmic reticulum

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14
Q

projection that aid in locomotion & feeding

A

flagella

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15
Q

flattend stack of tubular membranes that modifies proteins & packages them for distribution outside the cell

A

golgi apparatus

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16
Q

vesicle that contains digestive enzymes for the breakdown of excess or worn out cellular substances

A

lysosome

17
Q

membrane bound organelle that makes energy available to the rest of the cell

A

mitochondrion

18
Q

control center of the cell that contains coded directions for the production of proteins & cell division

A

nucleus

19
Q

membrane bound vesicle for the temporary storage of materials

A

vacuole

science (5 decks)

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