Energy Systems

Question 1

Energy for cell metabolism is derived from which three substrates?

Answer 1

Carbohydrates, Fat, Protein

Question 2

Carbohydrates and protein provide about ____ of energy vs ______ for fat

Answer 2

4.1 Kcal/g ; 9.4Kcal/g

Question 3

Fat is stored as_____ in adipose tissue and are broken down into _____

Answer 3

Triglycerides; Free Fatty Acids

Question 4

How do enzymes control the rate of metabolism?

Answer 4

They speed up the overall reaction by lowering the initial activation energy and catalyzing various steps

Question 5

Adenosine Triphosphate (ATP) is generated through which three energy systems?

Answer 5

1) ATP-PCr System
2) Glycolytic System
3) Oxidative System

Question 6

ATP-PCr …

Answer 6

Phosphate and Creatine are separated with Creatine Kinase. The Phosphate group combines with a ADP group to create ATP

Question 7

Glycolytic System…

Answer 7

Glucose is broken down to pyruvic acid, when the glycolysis occurs without oxygen the pyruvic acid is converted to lavtic acid.

Question 8

The Oxidative system involves the breakdown of substrates in the presence of…

Answer 8

Oxygen

Question 9

Oxidation of Carbohydrates involves …

Answer 9

Glycolosis, the Krebs Cycle and the electron Transport Chain

Question 10

How many ATP molecules result from the oxidation of carbs?

Answer 10

32 or 33 molecules