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Biochemistry 1st Quiz

Total questions: 20

Worksheet time: 17mins

Name
Class
Date
1.

Mention the universal features of living cells

a)

Cytoplasm

b)

Mitochondria

c)

Nucleus/nucleoid

d)

Plasma membrane

2.

Mention the domains of life

a)

Archaea

b)

Bacteria

c)

Eukarya

d)

Fungi

3.

Proteins are polymers of (a)  

4.

(a)   different amino acids are commonly found in proteins.

5.

This picture is general structure of an amino acid. They have ....

a)

Amino group

b)

Carboxyl group

c)

Hydroxyl group

d)

R groups

6.

Amino acids can be classified by R groups, except ....

a)

Non polar aliphatic

b)

Polar aliphatic

c)

Polar uncharged

d)

Aromatic

e)

Positively and negatively charged

7.

Each amino acid residue joined to its neighbor by a specific type of (a)  

8.

Polymers of amino acids are called the .....

a)

Amino acids

b)

Peptides

c)

Proteins

9.

Two amino acid molecules can be covalently joined through a substituted amide linkage, termed a peptide bond, to yield a dipeptide. Such a linkage is formed by (a)   from the α-carboxyl group of one amino acid and the α-amino group of another

10.

These are the properties of protein

a)

Mediate every process in a cell

b)

Part of molecular mechanism of biological process

c)

Most abundant, great variety, size and function

d)

Expression of genetic information

e)

Produce sugars and polysaccharides

11.

Mention some functions of proteins. The (a) is protein ...

(a)  

12.

Mention some functions of proteins. The (b) is ... protein

(a)  

13.

Mention some functions of proteins. The (c) is protein ...

(a)  

14.

These are the classification of amino acids by the R group. The picture is included into

a)

Aliphatic R Groups

b)

Aromatic R Groups

c)

Uncharged R Groups

d)

Positively Charged (Basic) R Groups

e)

Negatively Charged (Acidic) R Groups

15.

These are the classification of amino acids by the R group. The picture is included into

a)

Aliphatic R Groups

b)

Aromatic R Groups

c)

Uncharged R Groups

d)

Positively Charged (Basic) R Groups

e)

Negatively Charged (Acidic) R Groups

16.

These are the classification of amino acids by the R group. The picture is included into

a)

Aliphatic R Groups

b)

Aromatic R Groups

c)

Uncharged R Groups

d)

Positively Charged (Basic) R Groups

e)

Negatively Charged (Acidic) R Groups

17.

These are the classification of amino acids by the R group. The picture is included into

a)

Aliphatic R Groups

b)

Aromatic R Groups

c)

Uncharged R Groups

d)

Positively Charged (Basic) R Groups

e)

Negatively Charged (Acidic) R Groups

18.

These are the classification of amino acids by the R group. The picture is included into

a)

Aliphatic R Groups

b)

Aromatic R Groups

c)

Uncharged R Groups

d)

Positively Charged (Basic) R Groups

e)

Negatively Charged (Acidic) R Groups

19.

Amino acids can act as acids and bases is called as

(a)  

20.

These are the types of conjugated protein, except

a)

Lipoprotein

b)

Carboprotein

c)

Flavoprotein

d)

Metalloprotein

e)

Hemoprotein