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Evaluation on Biomolecules

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The process of converting the nucleotide sequence of an mRNA molecule into

an amino acid sequence in a polypeptide is called what?

a)

Translation

b)

Transcription

c)

Transformation

d)

Trans Fat

2.

Carbohydrates contain what three elements?

a)

CHS

b)

NOC

c)

OCH

d)

CHNOPS

3.

A major role of lipids is what?

a)

Muscle contraction

b)

Phosphorylation of DNA

c)

Structure of phospholipids

d)

Structure of membranes

4.

Carbon atoms usually form how many covalent bonds?

a)

2

b)

4

c)

6

d)

8

5.

An amino acid is a molecule with what functional groups?

a)

An amine and hydrochloric acid.

b)

A hydroxyl and an amine.

c)

A protein and a polypeptide

d)

A carboxyl and an amine

6.

DNA and RNA are examples of

a)

nucleic acids.

b)

nucleotides.

c)

proteins.

d)

lipids.

7.

DNA is a

a)

heteropolymer.

b)

homopolymer.

c)

peptide polymer.

d)

ribonucleotide polymer.

8.

The helical shape of DNA is due primarily to

a)

aromatic side chains.

b)

base stacking.

c)

hydrogen bonds.

d)

van der Waals constant.

9.

Proteins are involved in

a)

DNA synthesis

b)

enzymatic processes.

c)

lipid metabolism.

d)

All of the choices

10.

Which of the following is not true about proteins?

a)

Proteins are polymers of amino acids.

b)

Polypeptide chains fold up into a specific shape necessary for the protein’s function.

c)

Transfer RNAs carry amino acids to where they are needed for protein production

d)

Peptide bonds hold base pairs together.