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Quiz Protein

Total questions: 20

Worksheet time: 11mins

Name
Class
Date
1.
What is the NH2 (nitrogen-containing) group on this amino acid called?
a)
amino group
b)
R group
c)
carboxyl group
2.
Identify the element found in a protein that is not present in a carbohydrate
a)
Carbon
b)
Oxygen
c)
Hydrogen
d)
Nitrogen
3.
What monomer of a protein is being shown?
a)
monosaccharide
b)
glycerol and fatty acids
c)
amino acid
d)
nucleotide
4.
What is a type of protein that speeds up chemical reactions?
a)
sucrose
b)
insulin
c)
enzyme
d)
antibodies
5.
Linking several amino acids together produces what polymer?
a)
polysaccharide
b)
polypeptide
c)
polynucleotide
d)
triglyceride
6.
This protein is used to regulate blood sugar levels.
a)
hemoglobin
b)
collagen
c)
insulin
d)
antibodies
7.
What are the bonds that connect amino acids in a protein called?
a)
peptide bonds
b)
ester bonds
c)
glycosidic bonds
d)
phosphodiester bonds
8.

The info/code carried by DNA is based upon

a)

an amino acid sequence

b)

the sugars and phosphates that form the backbone

c)

the order of bases in the molecule

d)

the total number of nucleotides

9.
How many amino acids are coded for by this sequence of nucleotides:
ATG GGA ACT CCA
a)
4
b)
2
c)
6
d)
12
10.

If a methyl group (-CH3), which does not like water, were at the 'R', the amino acid would likely be:

a)

Hydrophobic

b)

Hydrophilic

c)

Ionic

d)

Acidic

11.
Amino acids all have the same general structure except for the:
a)
Amino Group
b)
Carboxyl Group
c)
'R' Group
d)
Carbonyl Group
12.
The primary sequence of a protein refers to the:
a)
Order of amino acids
b)
α-Helix or β-Pleated Sheet
c)
Interaction of subunits
d)
Hydrogen Bonding
13.
Structures like an α-Helix are formed because of:
a)
Hydrophobic Interactions
b)
DiSulphide Bridges
c)
Salt Bridges
d)
Hydrogen Bonding
14.
The number of amino acids used to produce proteins for all living things is:
a)
20
b)
∞
c)
15
d)
42
15.
The structure of proteins can be changed by environmental factors such as temperature or pH.
a)
True
b)
False
16.

Amino acids are classified based on their chemical properties of ?

a)

Amine group

b)

Carboxylic group

c)

Side chain

d)

Benzine group

17.

Pick the correct "Non-polar" amino acid

a)
b)
c)
d)
18.

What is the amino acid which contains smallest side chain ?

a)

Alanine (A) - Ala

b)

Serine (S) - Ser

c)

Glycine (G) - Gly

d)

Tyrosine (Y) - Tyr

19.

Select the amino acid group which contains "Aromatic" side chain

a)

Methionine & Pheylalanine

b)

Tryptophan & Glutamate

c)

Pheylalanine & Tryptophan

d)

Lysine & Hisidine

20.

Which amino acid is known as the 'start' codon in protein synthesis?

a)

Cysteine (C) - Cys

b)

Leucine (L) - Leu

c)

Methionine (M) - Met

d)

Tryptophan (W) - Trp

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