Lecture 12: Proteins and Enzymes Flashcards Preview

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Flashcards in Lecture 12: Proteins and Enzymes Deck (12):
1

All proteins are composed of ___?

Amino acids

2

How many different amino acids are there? What makes them different?

-20
-R group

3

What are the components of an amino acid?

-Acid
-Amino = ammonia
-R group

4

What do enzymes do?

Catalyze nearly all the reaction of life
-digestion, metabolism, biosynthesis

5

What protein source would probably provide the highest quality protein for human nutrition

Humans (but we settle for animals)

6

Essential amino acids

Amino acids that the body can't metabolize on its own in sufficient quantities --> must be consumed in diet

7

Limiting amino acid

When a protein is low in one essential amino acid necessary for synthesis, this EAA is the limiting factor

8

Denatured collagen forms ___?

Gelatin

9

Cooking eggs is an example of ___?

Protein denaturation

10

New evidence has suggested that ___ builds cartilage in humans?

Gelatin

11

What links together amino acids?

Peptide bonds

12

By slowly heating collagen in water, you eventually form ___?

Gelatin