Biology Quiz on Macromolecules

Polymer is a long molecules consisting of many___________

• monomers

• Polymers

• Polysaccharides

• This is the answer

Monomers are the repeating units that serve as the building blocks of a_________

• polymer
• Monomer

• Monopoly

• Fatty acids

Dehydration reaction joins monomers and makes a polymer. True/ False

• True

• False

Hydrolysis reaction breaks down a polymer into ________ with help of ___________ molecule. True/ False

• monomers

• water

• Carbohydrates

• Carboxyl

Can humans synthesize or store starch. True/ False

• True

• False

A fatty acid is not a monomer. One or 3 fatty acids bonded to a _________________ makes a fat.

• glycerol
• Water molecule

• Carbohydrates

• Amino acids

Cholesterol is fat. True/False (steroid)

• True

• False

A phospholipid has ____________ head and ______________tail.

• hydrophilic

• hydrophobic

• Phospholipids

• Lipids

Every membrane is made of ____ layers of ____________

• phospholipids

• lipids

• Amino acids

• Saturated fats

If a protein is made of 80 amino acids then there are ________ peptide bonds.

• 79
• 66

• 73

• 50