protien powerpoint

hieroglyphs

What are proteins made of?

Amino acids.

How many essential amino acids are there?

9 (must come from diet).

What determines the properties of an amino acid?

The R group.

What is a complete protein?

One that contains all essential amino acids.

What is an incomplete protein?

One that is missing one or more essential amino acids.

What are complementary proteins?

Two incomplete proteins that, together, provide all essential amino acids.

What are the four levels of protein structure?

Primary, Secondary, Tertiary, Quaternary.

What causes denaturation in proteins?

Extreme heat or pH changes.

What is an example of protein denaturation?

Egg white turning solid when cooked.

What is the RDA for protein for the average adult?

0.8 g per kg of body weight.

How much protein do athletes typically need?

1.2-2.0 g per kg of body weight.

What is nitrogen balance used for?

Indicator of protein intake vs protein loss.

What does a positive nitrogen balance indicate?

Muscle is being made.

What does a negative nitrogen balance indicate?

Muscle is being broken down for energy.

When should protein be consumed after exercise?

Within 2-3 hours post-exercise, with carbs.

How much protein is recommended post-exercise?

15-25g high-quality protein.

What are some examples of high-quality protein sources?

Meat, dairy, eggs, soy, quinoa, buckwheat.

What are the benefits of a vegetarian diet?

Less saturated fat and lower risk of chronic disease.

What are the risks of a vegan diet?

Low protein quality and low intake of vitamin B12, iron, zinc, calcium, and omega-3s.

How can vegetarian athletes get high-quality protein?

Eggs, dairy, tofu, soy milk, edamame, quinoa.