Biochemistry and metabolism

Question 1

What does ATP stand for

Answer 1

adenosine triphosphate

Question 2

What is ATP

Answer 2

ATP is the only form of energy that can be used to power cell activity

Question 3

is ATP a temporary or long term energy store

Answer 3

temporary

Question 4

How much ATP is stored in the body

Answer 4

approximately 80-100g

Question 5

how much energy does it provide for physical activity

Answer 5

enough for around 2-6s of physical activity

Question 6

What is CP

Answer 6

creatine phosphate

Question 7

What does CP do

Answer 7

used to quickly convert ADP to ATP by direct phosphorylation

Question 8

how much energy does CP provide for physical activity

Answer 8

enough for the first 10s of physical activity

Question 9

What is CK and what is it’s function

Answer 9

creatine kinase is an enzyme that catalyses direct phosphorylation

Question 10

When is CK increased in blood

Answer 10

during damaging exercise/trauma

Question 11

What does increased blood CK (CKmb) a diagnostic marker for

Answer 11

Myocardial Infarction (MI)

Question 12

what is GLYCOGENOLYSIS

Answer 12

the breakdown of glycogen stores in the muscle or liver

Question 13

what is GLUCONEOGENESIS

Answer 13

formation of glucose from other nutrients in the liver

Question 14

what is the equation for the complete catabolism of glucose

Answer 14

C6H12O6 + 602 -> 6H2O + 6CO2 + 38ATP + heat

Question 15

Where do we obtain glucose from

Answer 15

free blood glucose after a meal, glycogenolysis, gluconeogenesis

Question 16

What 3 stages are involved in the catabolism of glucose

Answer 16

glycolysis, krebs cycle and the electron transport chain