Bioenergetics 3

Question 1

What is the ratio of ATP to ADP and AMP called ?

Answer 1

Energy charge of a cell

Question 2

How is ATP continually recharged ?

Answer 2

by other coupling reactions

Question 3

How to get from NADH to NAD+ ?

Answer 3

H is taken up by coenzymes such as NADPH

Question 4

What is a redox reaction ?

Answer 4

Aoxidised + B reduced —- A reduced + B oxidised

Question 5

What do redox couples do with electrons ?

Answer 5

Some redox couples accept electrons and become reduced and others donate electrons and becomes oxidised

Question 6

what does the enthalpy value give you ?

Answer 6

The amount of energy which ca be released on complete oxidation of a foodstuff

Question 7

What does free energy value allow us to calculate ?

Answer 7

The useful energy released in all cellular reactions

Question 8

What can oxidation of foodstuff be coupled to ?

Answer 8

ATP formation

Question 9

What is involved in ATP generation ?

Answer 9

Oxidation and reduction of redox compounds are involved in ATP generation