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Worksheets

Proteins (reviewer)

Total questions: 30

Worksheet time: 5mins

Name
Class
Date
1.

Which of these elements is NOT present in Proteins?

a)

Sodium

b)

Sulfur

c)

Nitrogen

d)

Carbon

e)

oxygen

2.

What is the NH2 (nitrogen-containing) group on this amino acid called?

a)

R group

b)

carbon atom

c)

Amino group

d)

carboxyl group

3.

Type of polypeptide chain wherein it contains only one polypeptide chain

a)

Multimeric

b)

Peptides

c)

Peptide Bonds

d)

Monomeric

4.

Common proteins have how many amino acid residue?

a)

100-200

b)

400-500

c)

40-100

d)

300-600

5.

Small proteins have how many amino acid residue?

a)

40-100

b)

30-100

c)

400-500

d)

20-100

6.

Simple proteins contain one or more non-amino acid entities.

a)

True

b)

False

7.

Which of these Simple Proteins is correctly matched with their specific proteins?

a)

Histones - antibodies

b)

Globulin - chromatin in chromosomes

c)

Albumins - hemoglobin

d)

Albuminoids - Keratin & Collagen

8.

Choose the specific protein for the following Complex Proteins.

1. HEME UNIT

a)

glycogen phosphorylase

b)

hemoglobin, myoglobin

c)

HDL, LDL

d)

ribosomes, viruses

9.

2. NUCLEIC ACIDS

a)

iron - ferritin, zinc - alcohol dehydrogenase

b)

HDL, LDL

c)

ribosomes, viruses

d)

gammaglobulin, mucin, interferon

10.

3. CARBOHYDRATE

a)

gammaglobulin, mucin, interferon

b)

HDL, LDL

c)

glycogen phosphorylase

d)

keratin, collagen

11.

What classification of protein based on shape is Keratin & Collagen?

a)

Fibrous Protein

b)

Globular Protein

12.

What classification of protein based on shape is Myoglobin & Hemoglobin?

a)

Fibrous Protein

b)

Globular Protein

13.

Protein based on function which binds and store small molecules.

a)

Catalytic Protein

b)

Structural Protein

c)

Regulatory Protein

d)

Storage Protein

14.

Necessary for all forms of movement

a)

Contractile Protein

b)

Defense Protein

c)

Transport Protein

d)

Structural Protein

15.

Contractile protein found in muscle

a)

Actin

b)

Myosin

c)

M

16.

Transmits signals to coordinate biochemical processes between different cells, tissues, and organs.

a)

Transmembrane Protein

b)

Defense Protein

c)

Catalytic Protein

d)

Messenger Protein

17.

Choose the correct protein based on function for the following specific proteins.

1. Transferrin

a)

Defense Protein

b)

Transport Protein

c)

Catalytic Protein

d)

Nutrient Protein

18.

R groups are considered to have what type of polarity?

a)

Nonpolar

b)

Polar

19.

Polar Amino Acids have a total of 11 standard amino acids

a)

True

b)

False

20.

It is an essential amino acid for children

a)

Methionine

b)

Lysine

c)

Arginine

d)

Valine

21.

Which of these proteins is a Nonpolar Amino Acid?

a)

Cysteine

b)

Valine

c)

Threonine

d)

Histidine

22.

Contains all the essential amino acids in proper amounts.

a)

Complementary Proteins

b)

Complete Proteins

c)

Incomplete Proteins

d)

No correct response

23.

What is the end product of protein?

a)

nucleic acid

b)

uric acid

c)

glutamic acid

d)

No correct response

24.

Ion with positive and negative charges with a net zero charge

a)

zwitter ions

b)

isoelectric point

c)

amino group

d)

peptides

25.

Small peptide hormone that is released during uterus (uterine) contractions

a)

Vasopressin

b)

Oxytocin

c)

Enkaphalins

d)

Glutathione

26.

Small peptide that helps in reducing pain.

a)

Vasopressin

b)

Aspartame

c)

Enkaphalins

d)

Keratin

27.

One of the four structures wherein sequence/order of amino acids is present in a protein's peptide chain.

a)

Primary Structure

b)

Secondary Structure

c)

Tertiary Structure

d)

Quarternary Structure

28.

In protein denaturation all of the structures are disorganized EXCEPT

a)

Primary Structure

b)

Secondary Structure

c)

Tertiary Structure

d)

Quarternary Structure

29.

What interaction is present in Tertiary Structure but is absent in Quarternary Structure?

a)

Electrostatic interactions

b)

Hydrophobic interactions

c)

H-Bonding

d)

Disulfide Bonding

30.

It is known as the most abundant molecule in the cells after water with 15% of cell's overall mass. 

a)

Protein

b)

Carbohydrate

c)

Lipid

d)

No correct response