Adenosine Triphosphate

Question 1

What is ATP?

Answer 1

Energy source

Question 2

Is ATP found in all living cells?

Answer 2

Yes

Question 3

Is ATP mobile?

Answer 3

Yes, it transports energy to anywhere in a cell

Question 4

Which processes is energy released from to make ATP?

Answer 4

Respiration, photosynthesis

Question 5

What is ATP made up of?

Answer 5

Nucleotide (adenine), ribose sugar, triphosphate group

Question 6

What derivative is ATP?

Answer 6

Nucleotide derivative

Question 7

When energy is needed in a cell what happens?

Answer 7

ATP is hydrolysed into ADP and Pi

Question 8

What is the hydrolysis reaction catalysed by?

Answer 8

ATP hydrolase

Question 9

How is no energy lost as heat?

Answer 9

ATP hydrolysis is coupled with other reactions requiring energy

Question 10

Explain phosphorylation in ATP

Answer 10

Released inorganic phosphate (Pi) can be added to another compound which makes it more reactive

Question 11

How can ATP be re synthesised?

Answer 11

During condensation reaction between ADP and Pi during processes such as respiration or photosynthesis

Question 12

What is condensation reaction catalysed by?

Answer 12

ATP synthase

Question 13

What does ADP stand for?

Answer 13

Adenosine diphosphate

Question 14

What does Pi stand for?

Answer 14

Inorganic phosphate

Question 15

What are the 2 types of energy models?

Answer 15

Energy currency molecule, energy storage molecule

Question 16

What is an example of energy currency molecule?

Answer 16

ATP

Question 17

What is an example of energy storage molecule?

Answer 17

Glycogen

Question 18

What is an energy currency molecule?

Answer 18

• Immediate donor of energy to energy requiring reactions
• referred to as universal energy carrier

Question 19

What is energy storage molecule?

Answer 19

Stores (short term or long term) of chemical potential energy