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FN43: Proteins

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Which food provides the densest amount of essential amino acids per gram of protein?

a)

Beans

b)

Beef

c)

Rice

d)

Soy

2.

Which method of protein denaturation is the most likely to be reversible?

a)

Beating

b)

Changes in pH

c)

Freezing

d)

Heating

3.

Having polar and non polar ends allows proteins to:

a)

be macromolecules

b)

dissolve solutes

c)

have elastic structures

d)

act as emulsifiers

4.

Which action of protein molecules is caused be a temporary alteration of the protein's shape?

a)

Coagulation

b)

Denaturation

c)

Gelatinization

d)

Hydrolyzation

5.

Which causes the denaturation of protein?

a)

Adding lemon juice

b)

Refrigerating

c)

Marinating in olive oil

d)

Sweetening with molasses

6.

Which is an example of a food product made from texturized protein?

a)

Soy crumbles

b)

Hamburger

c)

Sausage

d)

Soy sauce

7.

What is the function of a protein in an emulsion?

a)

Foaming agent

b)

Heat medium

c)

Stabilizer

d)

Texturizer

8.

Which is an example of an element found in protein, but not in sugar?

a)

Carbohydrates

b)

Hydrogen

c)

Oxygen

d)

Sulfur

9.

Which is an example of coagulation?

a)

Milk shake

b)

Pickle

c)

Poached egg

d)

Toast

10.

Which is an example of denaturation?

a)

Baked bread

b)

Melted butter

c)

Cheese curds

d)

Pickled Beets

11.

Which action of protein molecules is caused by a permanent change of the proteins shape?

a)

Coagulation

b)

Denaturization

c)

Gelatinization

d)

Hydrolyzation