Nucleic acids - ATP

Question 1

what are the properties of ATP?

Answer 1

ATP stores/releases small, manageable amounts of energy at a time so no energy is wasted

easily broken down so energy is easily released in a single reaction

energy transfer from ATP is direct to the reaction requiring energy

small, soluble molecule so easily diffused, transported around the cell

can transfer energy to another molecule by transferring one of its phosphate groups

a common source of energy as it is the universal currency in living organisms

Question 2

How does ATP release energy?

Answer 2

ATP into ADP
hydrolysis with atpase (enzyme)

ADP+P into ATP
condensation with atpsynthase (enzyme)

Question 3

What is phospholyration?

Answer 3

addition of an inorganic phosphate group to a molecule

Question 4

What do cells require energy for?

Answer 4

metabolism

anabolic reactions - making big molecules from smaller ones (protien synthesis)

catabolic reactions - breaking big molecules into smaller ones

active transport - substances are moved against the gradient

cell division

activation of molecules

Question 5

Structure of ATP?

Answer 5

nitrogen containing base (adenine)

ribose sugar

3 phosphate groups

Question 6

What is ATP?

Answer 6

able to supply cells with an energy form they can use

it is the universal energy currency for all living organisms