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Bioenergetics > Week 5 - Bomb Calorimetry & Phosphate Energy > Flashcards

Week 5 - Bomb Calorimetry & Phosphate Energy Flashcards

1
Q

Define coupled reactions

A

Breakdown of 1 compound provides energy for synthesising another compound.

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2
Q

When is energy released

A

When phosphates are ‘cleaved’ from ATP

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3
Q

Can a further P group be cleaved from ADP to release more energy

A

ADPase – > AMP (Adenosine monophosphate)

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4
Q

What amount is ATP storage limited to?

A

80-100g at any time

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5
Q

How is instant replenishment of ATP achieved

A

By PCr (a.k.a anaerobic alactic system)

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6
Q

How quick can the PCr system deplete?

A

8-12s

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7
Q

Stimulus for creatine kinase activity

A

⬆️ ADP conc. = ⬆️ ATP hydrolysis

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8
Q

What is a bomb calorimeter

A

Constant-vol calorimeter used in measuring heat combustion of a particular reaction.

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Bioenergetics (12 decks)

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