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Worksheets

Protein

Total questions: 13

Worksheet time: 25mins

Name
Class
Date
1.

Which form of vegetarian eats eggs and dairy?

a)

Lacto-vegetarian

b)

Ovo-vegetarian

c)

Vegan

d)

Lacto-ovo vegetarian

2.

What is the monomeric subunit of proteins?

a)

Sterols

b)

Triglycerides

c)

Amino acids

d)

Glygerol

3.

How many amino acids are there​ (a)   , how many of these amino acids are essential​ (b)   . Which type of amino acid must be obtained from the diet since the body does not make them ​ (c)   ?

Choose from the below words
20
9
18
11
essential amino acids
nonessential amino acids
4.

Match the following types of amino acids with their definition.

a)

Nonpolar amino acids

1.

Hydrophobic amino acids. Long and bulky

b)

Polar amino acids

2.

Hydrophilic amino acids , no charge.

c)

Acidic amino acids

3.

Hydrophilic amino acid, negative charge

d)

Basic amino acids

4.

Hydrophilic amino acid, positive charge

5.

Which are the three basic steps in building proteins?

a)

Transcription, translation and protein folding

b)

Transcription, encoding, and translation

c)

Encoding, translation and protein folding

d)

Encoding, transcription and protein folding

6.

What term defines when a protein changes physical shape and when exposed to heat or high salt concentration?

a)

Translation

b)

Denaturation

c)

Transcription

d)

Protein folding

7.

The stomach releases gastric juices containing (a)   and the enzyme ​ (b)   which breakdown protein.

Choose from the below words
hydrochloric acid
pepsin
gastrin
amino acids
trypsin
8.

Match the following

a)

Keratin

1.

Protein skin, hair and nails are made of

b)

Elastin

2.

Protein that makes skin flexible

c)

Collagen

3.

Most abundant protein, fibrous rope like

9.

Which proteins are responsible for the contractile action in muscles? ( pg 190) Select all that apply

a)

Actin

b)

Albumin

c)

Substrates

d)

Myosin

e)

Myelin

10.

Which are true of albumin? Select all that apply

a)

It is the most abundant protein in blood

b)

Allows for clotting factors to function

c)

Helps in fluid balance and transport of molecules

d)

It does not assist in acid balance

e)

Makes the protein concentration in blood similar to that in cells

11.

Match the following

Categorize the following

Severe proten and micronutrient deficiency

Severe protein and energy deficiency

Characterized by swelling of the feet and abdomen

Characterized by emciation

Kwashiorkor
Marasmus
12.

Foods that contain some but not all essential amino acids are called ​ (a)  

Choose from the below words
incomplete protein
complete protein
Complimentary food
13.

Loss of muscle mass , and strength decline is called ____________

a)

Hypertrophy

b)

Atrophy

c)

Sarcopenia