Organelles Flashcards

(42 cards)

1
Q

role of kinesins

A

move cargo towards cell periphery

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2
Q

role of dyneins

A

transport cargo towards cell centre

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3
Q

3 things the cytoskeleton components

A

actin filaments, microtubules, intermediate filaments

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4
Q

what is the cytosol

A

the liquid inside the cytoplasm

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5
Q

4 functions of the cytoskeleton

A

maintains shape, helps motion, intracellular transport and aid in mitosis

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6
Q

how do microtubules help in mitosis

A

form spindal fibers

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7
Q

role of actin filiments

A

allows cell to change shape and move

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8
Q

function of intermediate filaments

A

provide physical strength

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9
Q

what are vesicles coated with to fuse with the gogi?

A

COPII

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10
Q

what are vesicles coated with to fuse with the ER?

A

COPI

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11
Q

How do the folds in cristae allow for better ATP production

A

High surface area to allow for many proton gradients

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12
Q

function of a lysosome

A

digest intra/extracellular debris

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13
Q

function of proteasomes

A

degrade damaged proteins

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14
Q

how to proteasomes work

A

using proteolysis

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15
Q

function of peroxisomes

A

detoxify harmful substances

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16
Q

where are lysosomes found

A

cytoplasm

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17
Q

are lysosomes membrane bound?

18
Q

are proteasomes membrane bound?

19
Q

are peroxisomes membrane bound?

20
Q

where are peroxisomes found

21
Q

where are proteasomes found

A

freely inside cell including nucleus

22
Q

how to proteasomes know to degrade protiens

A

proteins are tagged with ubiquitin

23
Q

what molecule do peroxisomes primarily break down

A

fatty acids and toxic substances like ethanol

24
Q

SIMPLE - Whats lysosome remembered as?

A

Recycling centre

25
SIMPLE - whats a proteasome remembered as?
shredder
26
SIMPLE - whats a peroxisome remembered as?
detox centre or cleaning crew
27
purpose of glycolysis
break down glucose into pyruvate creating atp and NADH
28
where does glycolysis occur
in the cytosol
29
all products of glycolysis
2 pyruvate, 2 ATP, 2 NADH
30
what happens to pyruvate in aerobic conditions
converted into acetyl-CoA to enter krebs cycle
31
purpose of krebs cycle
produces NADH and FADH
32
where does the krebs cycle occur
matrix of the mitrocondria
33
role of NADH/FADH in ETC
donate high energy e creating a proton gradient for ATP production
34
where does the ETC occur
inner mitochondrial membrane
35
how does ATP synthase create ATP
H+ flows down their gradient where atp synthase uses this energy to ADP+P=ATP
36
what are the two stages of photosynthesis
Light dependent reaction and calvin cycle
37
where does the light dependent reaction occur
thylakoid membrane
38
purpose of light dependent reaction
produce ATP and NADPH for the calvin cycle
39
what is split during the light dependent reaction
Water - H2O
40
role of chlorophyll in the light dependent reaction
excites e- to start the ETC
41
purpose of calvin cycle
use ATP and NADPH to change CO2 into glucose
42
where does the calvin cycle occur
stroma