Protein Functional + Chemical Properties

Question 1

What are proteins made up of?

Answer 1

Amino acids

Question 2

How are the bundles of amino acids held together?

Answer 2

Chemical bonds

Question 3

What is the name of the process where the bonds are broken?

Answer 3

Denatured

Question 4

What does denaturing do?

Answer 4

Unfolds and changes the shape of the amino acid bundle

Question 5

What 3 things cause denaturing?

Answer 5

Mechanical agitation, heat, acid

Question 6

What 2 acid processes are there?

Answer 6

Marinating and curdling

Question 7

What 3 mechanical processes are there?

Answer 7

Whisking, kneading, mincing

Question 8

What is coagulation?

Answer 8

Setting of proteins

Question 9

What is syneresis?

Answer 9

Over-coagulation of egg protein so water is expelled from egg

Question 10

What 2 proteins make up gluten?

Answer 10

Glutenin and gliadin

Question 11

What does gliadin do?

Answer 11

Strength and elasticity

Question 12

what does glutenin do?

Answer 12

Binds dough

Question 13

What is a foam?

Answer 13

A gas in a liquid

Question 14

When is foam reversible?

Answer 14

When it is left to stand

Question 15

What happens when foam is heated?

Answer 15

Air bubbles expand and protein coagulates

Question 16

What makes a foam more stable?

Answer 16

Acid