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A Level Biology > ATP > Flashcards

ATP Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

What does ATP consist of?

A

Adenine, 3 phosphate groups and ribose (pentose sugar)

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2
Q

What is ATP?

A

A nucleotide

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3
Q

What is ATP?

A

The energy- carrying molecule that provides the energy to drive many processes inside living cells

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4
Q

What is ATP another type of?

A

Nucleic acid

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5
Q

What is ATP structurally very similar to?

A

The nucleotides that make up DNA and RNA

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6
Q

What is ATP structurally very similar to?

A

The nucleotides that make up DNA and RNA

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7
Q

What type of nucleotide is ATP?

A

A phosphorolyated nucleotide ( the addition of a phosphate ion)

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8
Q

What is the reaction for when ATP gets hydrolysed?

A

ATP -> ADP + Pi

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9
Q

What is the hydrolysis reaction catalysed by?

A

ATP hydrolase

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10
Q

What does ATP synthase form?

A

ATP

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11
Q

What are the bonds between phosphate like?

A

They have low activation energy- can be hydrolysed easily

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12
Q

What does the mitochondrial enzyme do?

A

Catalyses the synthesis of ATP from ADP and phosphate

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13
Q

What can the hydrolysis of ATP be used in?

A

Active transport of ions up a concentration gradient
Enzyme controlled reactions
Muscle contractions

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14
Q

What is good about ATP being an immediate energy source?

A

Small amount are released
Enough energy to drive important metabolic reactions while keeping energy wastage low

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15
Q

Intermediate energy substance?

A

Transfers energy

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16
Q

Phosphorylates compounds?

A

Making metabolites more reactive- lowering the Ea of the reaction

17
Q

Phosphorylates compounds?

A

Making metabolites more reactive- lowering the Ea of the reaction

18
Q

Soluble?

A

Can move from cell to cell- can transport energy to different areas of the cell

19
Q

ATP cannot be…

A

Stored

20
Q

ATP can be….

A

Recycled

21
Q

Is hydrolysis quick?

A

Yes- it is quick and easy- allows cells to respond to a sudden increase in energy demand

22
Q

Metabolic processes?

A

ATP provides energy to build up macromolecules

23
Q

Movement?

A

Provides energy for muscle contraction

24
Q

Active transport?

A

Provides energy to change carrier proteins in the membrane

25
Q

Secretion?

A

ATP is needed to form lysosomes

26
Q

Activation of molecules?

A

Phosphorylation of other compounds- lowering the Ea

A Level Biology (30 decks)

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