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Intro to Proteiiiins

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

It is a naturally occurring, unbranched polymer in which the monomer units are amino acids.

a)

Protein

b)

Lipid

c)

Carbohydrates

d)

Amino acids

2.

How many of the standard amino acids are naturally present in proteins?

a)

15

b)

20

c)

500

d)

700

3.

It is a molecule that has a positive charge on one atom and a negative charge on another atom but which has no net charge.

a)

Isoelectric point

b)

Zwitterion

c)

Alpha Helix

d)

Peptide

4.

Which of the following is a biochemically important small peptide antioxidant?

a)

Gluthathione

b)

Enkephalin

c)

Oxytocin

d)

Insulin

5.

Which of the following foods is/are considered a complete dietary protein?

(There could be more than 1 answer :) )

a)

Casein

b)

Corn

c)

Rice

d)

Oats

e)

Eggs

6.

Based on the following structure provided, to which category of standard amino acids does it belong?

a)

Non polar amino acids

b)

Polar neutral amino acids

c)

Polar acidic amino acids

d)

Polar basic amino acids

7.

Which of the following is not an essential amino acid for adults?

a)

Methionine

b)

Isoleucine

c)

Arginine

d)

Histidine

8.

It is an unbranched chain of amino acids containing 20 amino acid residues.

a)

Dipeptide

b)

Tripeptide

c)

Oligopeptide

d)

Polypeptide

9.

Love hormone

a)

Oxytocin

b)

Glutathione

c)

Vasopressin

d)

Androgen

10.

Which of the following is/are a function(s) of proteins in the human body?

(There could be more than one answer :D)

a)

Blood type markers

b)

Metabolic reactions

c)

Hormones

d)

Primary source of energy

e)

Maintenance and repair of tissues