Ch 4: Organelles Flashcards

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1
Q

cytoplasm

A

gel-like residue in cells

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2
Q

nucleoid

A

contains the genetic material, only in prokaryotes

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3
Q

cell wall

A

surrounds plasma membrane, only in prokaryotes

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4
Q

flagella

A

only in prokaryotes, used for movement, one or two on the cell

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5
Q

capsule

A

encases cell wall

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6
Q

eukaryotes

A

fungi, protists, plants, and animals

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7
Q

nucleus

A

the largest organelle in the cell has genetic info, encases nucleolus which contains the mRNA

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8
Q

ribosomes

A

manufacture proteins

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9
Q

rough ER

A

ribosome studded, attached to the nucleus

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10
Q

smooth ER

A

makes lipids, hormones, and steroids

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11
Q

Golgi bodies

A

modifies and packages, packaged into vesicles, produce lysosomes.

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12
Q

Mitochondria

A

makes ATP, cristae is the inner membrane

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13
Q

lysosomes

A

digest waste using hydrolysis

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14
Q

centrioles

A

produce microtubules and move chromosomes

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15
Q

vacuoles

A

sacs

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16
Q

peroxisomes

A

breaks down hydrogen peroxide

17
Q

cytoskeleton

A

network of fibers(microtubules and microfilaments) that determine cell structure

18
Q

tubulin

A

participate in cellular division

19
Q

Endosymbiosis

A

the belief that chloroplasts and mitochondria used to be independent prokaryotes, they then combined with the eukaryotic cell