chap 2 Flashcards

1
Q

Plasma membrane

A

Sep. btw intracellular fluid and extracellular fluid

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2
Q

Nucleus

A

genetic instru
histones and chromosomes

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3
Q

Cytoplasm

A

organelles and cytoskeleton with cytosol

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4
Q

transcription

A

DNA opened and RNA polymerase creates complimentary strand

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5
Q

Translation

A

mRna to ribosome
rRna translates to AA
tRna creates prt with AA

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6
Q

Mitochondria

A

Shelves: cristae
matrix inside
90% energy

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7
Q

Aerobic metabolism

A

relies on O2 to covert energy to food into ATP

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8
Q

Aerobic pathways

A

need O2

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9
Q

Anaerobic

A

no O2

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10
Q

energy released when e-

A

transferred to e- acceptors in oxidation-reduction rxn

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11
Q

ATP

A

phosphate

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12
Q

NADH

A

electrons

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13
Q

Glycolysis

A

glucose into 2 pyruvates
10 rxns

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14
Q

all glycolytic enzymes found ni

A

cytoplasm

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15
Q

glycolysis can be

A

anaerobic

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16
Q

glycolysis releases ___

A

2 electrons to form NADH

17
Q

CAC

A

8 rxn in matrix
Pyruvate converted to acetyl CoA then citric acid

18
Q

Purpose of CAC

A

produce hydrogens for ETC

19
Q

ETC in

A

inner Mitch membrane
synthesize atp

20
Q

O2

A

final e- acceptors

21
Q

Metabolism under anaerobic

A

Pyruvate into lactate

22
Q

Obligate aerobes

A

req O2

23
Q

Facultative anaerobes

A

can adapt for short periods of time

24
Q

Obligate anaerobes

A

thrive w no O2

25
Q

Centrosomes

A

cells microtubule and centrioles organizing center
transport
cilia and flagella

26
Q

cytoskeleton

A

support
microtubles
microfilaments
intermediate filaments

27
Q

Microtubules

A

positions organelles and shape
moves cilia and flagella

28
Q

Microfilaments

A

Acting and myosin
extension and surface area

29
Q

Intermediate filaments

A

Neurofilaments
skeletal muscles
keratin