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Carbs, Proteins, Nucleic acids

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Which of the following biological molecules contain peptide bonds?

a)

Proteins

b)

Nucleic Acids

c)

Carbohydrates

d)

Lipids

2.

The removal of water to form a chemical bond is termed –

a)

Hydrolysis

b)

Dehydration synthesis

c)

Degradation

d)

Catabolism

3.

Which factor is not critical for the folding of proteins?

a)

Ionic bonds

b)

Hydrogen bonds

c)

Disulfide bridges

d)

van der Waals forces

e)

Phosphate bonds

4.

The 2 strands of DNA are covalently bonded together. These bonds are called phosphodiester bonds.

a)

TRUE

b)

FALSE

5.

Which of the following is not part of a nucleotide?

a)

5 carbon sugar

b)

Nitrogenous base

c)

Fatty acid chain

d)

Phosphate group

6.

C-H is a nonpolar group.

a)

TRUE

b)

FALSE

7.

Hydrolysis–

a)

Is used to break polymers

b)

Removes water to form bonds

c)

Is involved in protein synthesis

d)

Can form disaccharides

e)

All of the above

8.

Lincosamides are a class of antibiotics that inhibit peptide bond formation. What type of biological molecule would be effected?

a)

Carbohydrates

b)

Nucleic Acids

c)

Lipids

d)

Proteins

9.

A one point mutation occurs in a nucleic acid, adenine is replaced with uracil. What type of molecule is this?

a)

Monosaccharide

b)

Deoxyribose Nucleic Acid

c)

Amino Acid

d)

Ribose Nucelic Acid

10.

Which of the following is not a polymer of glucose?

a)

Starch

b)

Glycogen

c)

Chitin

d)

Maltose

e)

All except 'D'

11.

If a cell was grown in a growth medium that has a radioactive sulfur isotope which class of biomolecules will show the presence of the isotope? Think about which molecules are likely to include sulfur in their construction.

a)

Nucleic acids

b)

Carbohydrates

c)

Lipids

d)

Proteins