3.11 ATP

Question 1

cells require energy for three main activities

Answer 1

• sythesis eg protein
• transport eg active transport
• movment eg muscle contraction

Question 2

compostition of

ATP

Answer 2

• nitrogenous base - adenine
• pentose sugar - ribose
• three phophate groups

Question 3

what arte the 5

properties of atp

Answer 3

• small
• water soluble - energy requiring reactions happen in aqueous environments
• provides imediate energy large enough for cellular reactions but not large enough that enery is wasted eg heat
• easily regenerated

Question 4

formation and breakdown of atp cycle

Answer 4

adp to atp phosphorylation condensation- energy suplied by respiration

atp to adp hyrolysis - energy releaed for use oby the cell