Energy Reactions in Cells

Question 1

Are catabolic pathways oxidative or reductive?

Answer 1

Oxidative - release H atoms

Question 2

Are anabolic pathways oxidative or reductive?

Answer 2

Reductive - accept H atoms

Question 3

What are the products of catabolic metabolism?

Answer 3

building block materials
organic precursors
biosynthetic reducing power (NADH, NADPH)
energy for cell function

Question 4

Define isothermal

Answer 4

Cannot use heat energy for work

Question 5

What kind of vitamins are used to make hydrogen carriers?

Answer 5

B vitamins

Question 6

Name some high energy signals

Answer 6

ATP
NADH
NADPH
FAD2H

Question 7

Name some low energy signals

Answer 7

ADP 
AMP
NAD+
NADP+
FAD

Question 8

Which enzyme converts creatine phosphate to creatine?

Answer 8

Creatine kinase

Question 9

Which enzyme is diagnostic of MI and why does it appear?

Answer 9

Creatine kinase - released from cardiac myocytes when they are damaged in myocardial infarction and appears in the blood after a few hours

Question 10

Define metabolism

Answer 10

The set of processes which derive energy and raw materials from food stuffs and use them to support repair, growth and activity of the tissues of the body to sustain life.