Cellular Respiration Flashcards

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1
Q

what process can be carried out by a mature red blood cell ?

A

Glycolysis

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2
Q

during respiration most ATP is produced when…

A

hydrogen ions are passed through the membrane proteins ATP synthase

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3
Q

during glycolysis, dehydrogenase enzymes catalyse the…

A

transfer of hydrogen ions to NAD

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4
Q

length of mitochondria

A

C 4 micrometers

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5
Q

function and location of dehydrogenase…

A

removed from substrate ELECTRONS and location CITRIC ACID CYCLE

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6
Q

not true about electrons ?

A

they are involved in ATP synthesis

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7
Q

where does glycolysis occurs occur ?

A

cytoplasm

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8
Q

what happens in energy investment phase of glycolysis ?

A

(2) ATP molecules are used

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9
Q

explain the importance of the regeneration of NAD for glycolysis ?

A

> NAD allows ATP production during glycolysis
NDA carries hydrogen ions

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10
Q

why do muscle cells produce lactic acid during vigorous exercise?

A

cause no oxygen reaches the muscle cells

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11
Q

state conclusion that can be drawn from the results of this

A

running produces the highest respiration rate

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12
Q

identify information which confirms that this is an energy investment phase of glycolysis..

A

ATP is put into the reaction

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13
Q

suggest how the binding of these ions leads to an increase in enzyme activity

A

it changes shape of the active site to suit the substrate molecule

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14
Q

phosphorylation

A

the transfer of phosphate from ATP

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15
Q

reversible reaction to do with fructose 6-phosphate

A

where there has been a build up concentration of fructose- 6 - phosphate

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16
Q

explain how this feedback mechanism conserves the cells resources

A

this ensures that glucose is only used when required

17
Q

diagram X , Y, Z

A

X= amino acids
Y= fats
Z= Co2

18
Q

what term describes the breakdown of carbohydrate into pyruvate during respiration

A

Glycolysis

19
Q

describe what happens to acetyl coenzyme A during respiration

A

acetyl combines with oxaloacetate acid to become citrate

20
Q

when might the body obtain most of its energy from proteins?

A

when the body has used up all carbohydrate and fats

21
Q

where is carbohydrate form stored and the location

A

> glycogen
muscles