wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Chemistry of amino acids

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.

Proteins are made up of two things...

a)

Amino Acids and Peptide Bonds

b)

Amino Acids and Coordinate Bonds

c)

Amino Acids and Hydrogen Bonds

d)

Amino Acids and Ionic Bonds

2.
How many Amino Acids does our body use to make proteins?
a)
20
b)
10
c)
6
d)
2
3.

Which statement best describes amino acids?

a)

They are acidic

b)

They are basic

c)

The are both acidic and basic

d)

They are neither acidic nor basic

4.

Which statement is true about amino acids?

a)

All amino acids have

C=CC=C double bonds

b)

All amino acids have amine groups.

c)

Some amino acids contain phosphorus.

d)

No amino acid contains sulfur.

5.

Proteins are

a)

weak acids or bases to prevent sudden changes in pH

b)

fats, oils, and waxes, macromolecules that are not soluble in water

c)

sugar, starch, cellulose; carbon hydrogen and oxygen atoms

d)

polymers of molecules called amino acids

6.

The bond that joins amino acids in peptides and proteins are called:

a)

Peptide Bonds

b)

Ester Bonds

c)

Glycosidic Linkages

d)

Phosphodiester Bonds

7.

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

8.
Amino acids all have the same general structure except for the:
a)
Amino Group
b)
Carboxyl Group
c)
'R' Group
d)
Carbonyl Group
9.
The amino acid that results in disulphide bridges is:
a)
Cysteine
b)
Alanine
c)
Glutamic Acid
d)
Valine
10.
The process the cells in your body use to build proteins from amino acids is called ____.
a)
protein synthesis
b)
cellular respiration
c)
organic chemistry
d)
mutations
11.

How many amino acid units are needed to form the following peptide?

a)

3

b)

4

c)

5

d)

6

12.

The isoelectric point of alanine is 6.0. If most alanine exist in the form of structure above. What is the possible pH of the solution?

a)

2.5

b)

6.0

c)

9.7

d)

7.0

13.

Aromatic amino acids include

a)

phenyl alanine, tyrosine & tryptophan

b)

phenyl alanine, serine & tryptophan

c)

threonine, tyrosine & tryptophan

d)

aspergine, tyrosine & tryptophan

14.

All hydrophobic aminoacids (valine, leucine, isoleucine etc) share which of the following properties?

a)

polar uncharged R-groups

b)

non-polar uncharged R-groups

15.

which is a basic amino acid

a)

alanine

b)

histidine

c)

serine

d)

proline

16.

which amino acid lacks the free amino group

a)

threonine

b)

valine

c)

isoleucine

d)

proline

17.

Which is not an essential amino acid?

a)

methionine

b)

alanine

c)

arginine

d)

lysine

18.

Which amino acid contains an aromatic ring?

a)

threonine

b)

tryptophan

c)

tyrosine

19.

Amino acid that is positively charged at neutral pH is

a)

Histidine

b)

Proline

c)

Cysteine

d)

Tryptophan

20.

Amino acid that is hydrophilic and contains alcohol in side chain.

a)

Lysine

b)

Cysteine

c)

Isoleucine

d)

Serine

Similar Resources on Wayground

Properties of matter and separation techniques

15 questions

Properties of matter and separation techniques

quiz

Worksheet

•

11th Grade - University

DIAGNOSTIC TEST

20 questions

DIAGNOSTIC TEST

quiz

Worksheet

•

University

strong acid and weak base

20 questions

strong acid and weak base

quiz

Worksheet

•

11th Grade - University

Intermolecular Forces

17 questions

Intermolecular Forces

quiz

Worksheet

•

University

Heterocyclic Compounds Unit III

21 questions

Heterocyclic Compounds Unit III

quiz

Worksheet

•

University

HYDROCARBON

15 questions

HYDROCARBON

quiz

Worksheet

•

7th Grade - University

TRIAL CHAPTER 3: ELECTROCHEMISTRY

20 questions

TRIAL CHAPTER 3: ELECTROCHEMISTRY

quiz

Worksheet

•

University

Ôn tập giữa kỳ KHTN 8 Hoá học

15 questions

Ôn tập giữa kỳ KHTN 8 Hoá học

quiz

Worksheet

•

8th Grade - University