cell organelle Flashcards

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1
Q

Ribosomes are made of what?

A

Two subunits made of Ribosomal RnA and Protein

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2
Q

What is ribosome’s function?

A

Synthesize proteins according to the mRNA sequence

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3
Q

Ribosomes are found in?

A

all forms of life, reflecting the common ancestry of all known life.

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4
Q

Endoplasmic reticulum occurs in?

A

2 forms smooth and rough

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5
Q

Endoplasmic reticulum function

A

provides mechanical support, carries out protein synthesis on membrane-bound ribosomes, and plays a role in intracellular transport.

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6
Q

Rough ER is associated with

A

membrane-bound ribosomes

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7
Q

Rough er function

A

aids in synthesis of proteins on bound
ribosomes; adds carbohydrates to proteins to make glycoproteins; distributes transport vesicles produces new membrane

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8
Q

Smooth ER function

A

detoxification and lipid synthesis.

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9
Q

Golgi complex structure

A

membrane-bound structure that consists of a series of flattened membrane sacs.

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10
Q

Functions of the Golgi

A

Modifies products of the ER
Manufactures/ synthesizes certain macromolecules
Sorts and packages materials into transport vesicles

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11
Q

Mitochondria structure

A

double membrane.

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12
Q

Mitochondrial double membrane provides?

A

compartments for different metabolic reactions.

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13
Q

Mitochondria outer membrane is

A

smooth

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14
Q

Mitochondria Inner membrane has

A

infoldings folded into cristae-foldings of inner membrane increases surface area for more electron transport and atp sythesis to occur here

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15
Q

Mitochondria function

A

sites of cellular respiration, that uses oxygen to
generate ATP

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16
Q

Lysosomes structure

A

are membrane-enclosed sacs that contain hydrolytic enzymes

17
Q

Lysosomes function

A

Breakdown of ingested substances,
cell macromolecules, and damaged
organelles for recycling

18
Q

Vacuole structure

A

Large membrane-bounded vesicle

19
Q

Vacuole function

A

Vacuoles have many roles, including storage
and release of macromolecules and cellular
waste products. In plants, it aids in water balance for plants

20
Q

Chloroplasts are found in?

A

Photosynthetic algae and plants

21
Q

Chloroplasts structure

A

DOUBLE outer membrane around fluid stroma which contains thylakoids stacked into grana

22
Q

Thylakoids

A

organized in stacks called grana, light dependent reactions of photosynthesis occur here

23
Q

stroma

A

fluid within the inner chloroplast membrane and outside of the thylakoid.

24
Q

Chloroplast function

A

Photosynthesis

25
Q

Chlorophyll

A

chlorophyll pigments and
electron transport proteins that comprise the
photosystems.