Component 1 - ATP Exam Q's

Question 1

What is meant by an anabolic reaction and give some examples

Answer 1

Synthesise larger complex molecules from smaller ones
e.g. protein synthesis, DNA replication and photosynthesis

Question 2

What is meant by a catabolic reaction and give some examples

Answer 2

Breaks down larger complex molecules into smaller ones
e.g. Respiration, Digestion and hydrolysis

Question 3

State what is meant by substrate level phosphorylation (2 marks)

Answer 3

Energy is derived directly from a reaction
To combine ADP + Pi

Question 4

Answer 4

Immediate source is stored ATP - only enough ATP for 60 seconds
Then anaerobic glycolysis provides ATP for first 3-4 minutes
From 5 minutes to 5 hours aerobic respiration is the only source of energy

Question 5

State what is meant by the term universal energy currency

Answer 5

Source of energy used by all living organisms in every cell