MCQS of Biology 1st Year Chapter 2

To produce Lactose

Two amino acids must form a peptide bond

Pairing of nitrogenous bases must occur between nucleotides

Glucose and fructose must undergo a hydrolysis reaction

Glucose and galactose must undergo a dehydration reaction

Which class of molecule is the major component of cell membrane

Wax

Phospolipid

Triglyceride

Cellulose

Glycogen is an example of a

Both a polysaccharide and a carbohydrate

Phospholipid

Polysaccharide only

Carbohydrate only

Animals obtain carbohydrates mainly from

Glycogen

Glucose

Sucrose

Starch

To biological function of a protein is determined by its

Tertiary structure

Quaternary structure

Secondary structure

Primary structure

Glycerol is the back bone molecule for

DNA

ATP

Triglycerides

Disaccharides

When a protein undergoes a hydrolysis reaction the end-products are

Nucleotides

Monosaccharides

Fatty acids

Amino acid