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bio core concepts > ATP > Flashcards

ATP Flashcards

1
Q

what does ATP stand for?

A

adenosine triphosphate

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2
Q

what is ATP and its function?

A

ATP is a nucleotide
ATP is the cells usable source of energy

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3
Q

What does ATP contain?

A

Adenine
Ribose
3 phosphate groups

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4
Q

what does ADP stand for?

A

adenosine diphosphate

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5
Q

what does ADP contain?

A

Adenine
Ribose
2 phosphate groups

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6
Q

where is energy in a cell from?

A

stored in the bonds of lipid and carbohydrates which is released when the bonds are broken

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7
Q

what happens when the cell has energy available?

A

it can store this by adding a phosphate group to ADP to produce ATP

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8
Q

how is ATP converted into ADP?

A

converted by breaking the bond between the second and third phosphate groups

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9
Q

what happens when you convert ATP into ADP?

A

releases energy for cellular processes when bond is broken

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10
Q

what is the reaction when ATP is converted to ADP?

A

ATP molecule is hydrolysed into ADP and an inorganic phosphate

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11
Q

what is the enzyme that catalyses the hydrolyses of ATP into ADP?

A

ATPase

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12
Q

how much energy does every mole of ATP hydrolysed release?

A

30.6 KJ

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13
Q

what is a reaction that releases energy called?

A

exergonic

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14
Q

what is the opposite reaction of an exergonic reaction?

A

endergonic reaction

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14
Q

what is the reaction called when ADP combines with a phosphate group to form ATP?

A

condensation endergonic reaction

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15
Q

how much energy is needed to synthesis one mole of ATP?

A

30.6 KJ

16
Q

what is the addition of a phosphate to ADP called?

A

phosphorylation

17
Q

why is ATP the perfect energy currency for the cell compared to glucose?

A

only require one enzyme
involves one single step that immediately releases energy
ATP releases energy in small amounts when and where it is needed

18
Q

why is glucose energy not as efficient as ATP energy?

A

many enzymes are needed
involves many steps and takes longer to release energy
glucose releases energy in large amounts all at once

19
Q

what cellular activities does ATP provide energy for?

A

active transport
metabolic processes
movement
nerve transmission
secretion

bio core concepts (10 decks)

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