Biochemistry

Question 1

What is a high energy bond?

Answer 1

A high energy bond is a chemical bond that releases as much or more energy when broken than that released by ATP hydrolysis

Question 2

Which enzyme catalyses the rate - limiting step of the Krebs’ Cycle?

Answer 2

Isocitrate dehydrogenase catalyses the rate - limiting step in the Krebs’ cycle.

Question 3

Which molecule is the end product of fatty acid beta-oxidation?

Answer 3

Acetyl-CoA is the end product of fatty acid beta-oxidation.

Question 4

What measurements would be associated with ketoacidosis?

Answer 4

High glucose concentration, High H+ concentration, Low pCO2, Low pH

Question 5

What is a anabolic reaction?

Answer 5

synthesise larger molecules from smaller components.

Anabolic reactions are “building up” reactions

Question 6

What is the average the amount of protein we require each day?

Answer 6

0.8 g/kg body mass

Question 7

What is the body’s normal response to an increase in ECF osmolality?

Answer 7

the body’s normal response to an increase in ECF osmolality is release of ADH from the posterior pituitary.