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Bio180 > unit 3: cytoskeleton & semiautonomous organelles > Flashcards

unit 3: cytoskeleton & semiautonomous organelles Flashcards

1
Q

Peroxisome 3 functions

A
  1. detoxification
  2. get rid of oxygen
  3. oxidize large fatty acids
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2
Q

peroxisome 1 structure

A

single membrane with crystalline core

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3
Q

mitochondria 1 function

A

powerhouse -> ATP

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4
Q

Mitochondria 3 structures

A
  1. double membrane
  2. the matrix
  3. circular DNA
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5
Q

why do we think mitochondria was once a bacteria? 2 reasons

A
  1. divides on its own

2. circular DNA

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6
Q

Chloroplast 1 function

A

solar powerhouse

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7
Q

Chloroplast (solar energy) 3 Structure

A
  1. triple membrane
  2. thylakoid
  3. circular DNA
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8
Q

Cytoskeleton has 3 things, what are they?

A

microtubule
microfilament/ actin filaments
intermediate filaments

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9
Q

Actin has 1 structure

A

small 2 stranded rope made from actin monomers

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10
Q

actin has 3 properties, how does it act

A
  1. flexible
  2. dynamic (changing)
  3. directional (+/-)
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11
Q

actin has 1 motor

A

myosin (fibrous proteins that form filaments of muscle cell)

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12
Q

actin has 3 functions

A
  1. cell division
  2. cell movement
  3. muscle contraction
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13
Q

what is actin cell division called

A

cytokinesis

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14
Q

what is actin cell movement called

A

lamellipodia

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15
Q

what filament is a jack of all trades/ does it all

A

actin

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16
Q

actin is like a what

A

rope

17
Q

Intermediate Filaments is like a what

A

bungee cord

18
Q

Intermediate Filament has 3 structures

A
  1. rolled up cable/ rope
  2. made up of diverse proteins
  3. crosslinked together
19
Q

Intermediate Filament has 3 properties, what are they like

A
  1. elastic
  2. flexible
  3. permanent
20
Q

Intermediate Filament has what motor

A

NONE

21
Q

Intermediate Filament has 4 functions

A
  1. resist pulling forces
  2. give nucleus its shape
  3. connect skin cells
  4. hair, horns, claws
22
Q

microtubules is like a what

A

big hallow tube

23
Q

microtubule has 3 structures

A
  1. hollow tube
  2. made from tubulin subunits
  3. made at centrosome (made of 2 centrioles )
24
Q

microtubule has 3 properties

A
  1. rigid
  2. dynamic (changing)
  3. directional (add and take away)
25
Q

microtubule has 2 motors

A
  1. kinesin (motors move away from centrosome)

2. dynein (moves toward centrosome )

26
Q

microtubule has 3 functions

A
  1. highway of the cell
  2. chromosome separation (spindle apparatus)
  3. cell motility (cilia, flagella)( part of cell moves but not the whole. ex. arms moving but you’re body doesn’t)
27
Q

stroma

A

in chloroplast

space between thylakoid and inner membrane

28
Q

thylakoid

A

in chloroplast

29
Q

granum

A

in chloroplast

30
Q

Calvin cycle is where

A

stroma (chloroplast)

31
Q

krepe cycle is where

A

matrix (mitochondria)

Bio180 (33 decks)

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