Energy Systems GD

Nutrients from foods are the substrates for metabolism and are provided and stored as?

• Fat

• Carbohydrate

• Water

• Protein

At rest, the body uses carbohydrates and fats in what ratio?

• ~20:80

• ~30:70

• ~40:60

• ~50:50

How much energy is derived from breaking down carbohydrate (in kcal.g^-1)

• 9.4

• 4.1

• 7.3

• 4.9

How many kcalories are stored as fat (in exemplar 65kg man with 12% body fat)?

• ~7500

• ~75000

• ~2500

• ~2500

How many kcalories are stored as carbohydrate (in exemplar 65kg man with 12% body fat)?

• ~2500

• ~7500

• ~25000

• ~75000

ATP is generated through which systems (multiple answers)?

• ATP-PCr

• Cardio-vascular

• Glycolytic

• Oxidative

How long can the ATP-PCr system sustain our energy needs for exercise?

• ~1 second

• ~10 seconds

• ~1 minute

• ~1 hour

What is produced during glycolysis if no oxygen is present?

• Acetic Acid

• Hydrochloric Acid

• Sulphuric acid

• Lactic acid

In which organelle does the oxidative production of ATP occur?

• Nucleus

• Golgi complex

• Mitochondria

• Ribosomes

If oxygen is present what product is converted into acetyl coenzyme A (acetyl CoA)?

• Pyruvate

• Malate

• Citrate

• Succinate