respiration Flashcards

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1
Q

define respiration

A

a series of controlled reactions

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2
Q

what is used for respiration

A

ATP

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3
Q

where does respiration occur

A

in the mitochondria

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4
Q

why does respiration occur in the mitochondria

A

have their own DNA and Ribosmomes to manifacture their own respiratory enzymes
isolated enviroment
has cristea - increase surface area

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5
Q

give features of the mitochondria

A

a space between the inner and outer membrane
outer membrane contains porins that allow ions to move through
inner memrane space called matrix contains DNA RNA and where the krebs cycle occurs

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6
Q

what does the matrix contain

A

DNA and RNA

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7
Q

what reaction occurs in the mitochondria

A

krebs cycle

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8
Q

what are the four stages of respiration

A

glycolisis
link reaction
krebs cycle
electron transport chain

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9
Q

where does glycolisis occur

A

in the cytoplasm of the cell

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10
Q

here does the link reaction occur

A

matrix

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11
Q

here does the kreb cycle occur

A

matrix

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12
Q

here does electron transfer chain occur

A

utalises protiens found in the membrane of the crista

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13
Q

why is ATP used

A

it provides instant energy as it only needs one hydrolisis reaction to break it down

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14
Q

what is phosphorilation

A

adding a phosphate molecule

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15
Q

what phosphorilation reaction occurs during respiration

A

a single reaction involving direct transfer of a phosphate group from a doner molecule of ADP

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16
Q

where does ADP come from

A

ATP

17
Q

what reaction occurs along the electron transfer chain

A

oxidative
a series of oxidation reactions produce sufficent energy tp form ADP into ATP

18
Q

what are the three Coenzymes in respiration

A

NAD
COA
FAD

19
Q

where is the NAD co enzyme used

A

in the electron transfer chain

20
Q

what is the equation of the reduction of NAD

A

NAD+2H -REVERSE REACTION SYMBOL- NADH+H +

21
Q

what does COA do

A

aids the transition between glycolysis and Krebs cycle

22
Q

how does COA aid transition

A

converts pyrurate to acetyl coenzyme A

23
Q

what happens to FAD

A

FAD accepts hydrogen to form reduced FAD