Nutrition of Protein

Question 1

What happens when you are ill?

Answer 1

Cells are reproducing so a high protein diet is needed

Question 2

Explain the purpose of AA’s

Answer 2

There are 11 non-essential and 9 essential.
Proteins in the body are always being used so must always take more on to undergo protein synthesises.
Protein degradation then takes place which creates an AA pool.

Question 3

What proteins are the best?

Answer 3

Animal proteins (1.0) as they have the highest EAA conc. and are high in whey.
Although must consume protein multiple times a day.

Question 4

What are the problems about being a vegetarian?

Answer 4

The food has low energy density, low protein, hard to digest and deficient in some EAA’s.

Question 5

What are the solutions to a vegetarian diet?

Answer 5

Consuming nuts as they are high energy and different types of veg such as maize and lentils in the same meal.

Question 6

How much ATP can be produced from one molecule of protein?

Answer 6

15 ATP

Question 7

What is the RQ of protein and how much ATP can be produced per 1 O2 molecule?

Answer 7

0.8 RQ
0.2 ATP

Question 8

How can protein metabolism be tested?

Answer 8

Sweat and urine samples tested for nitrogen which is released during protein catabolism

Question 9

How much protein should someone have?

Answer 9

1.2-2.0g/kg BW each day