Biological Molecules 2

The monomers of proteins are

• nucleotides

• amino acids

• monosaccharides

• fatty acids

Tags

NGSS.HS-LS1-6

Starch, cellulose an glycogen belong to the class of

• proteins

• lipids

• sugars

• Polysachharides

A carbon compound that contains two functional groups: amino and carboxyl

• amino acid
• enzyme
• carbohydrate
• nucleic acid

Tags

NGSS.HS-LS1-6

Three fatty acids bonded to glycerol

• glycogen
• polypeptide
• protein
• triglyceride

A large molecule made up of many similar or identical subunits.

• lipids
• polymer
• monomer
• monosaccharide

Which of the following tests for starch?

• Iodine
• Benedicts
• Biuret

Which of the following tests for protein?

• Iodine
• Benedicts
• Biuret

Which test requires heat?

• Benedicts
• Biuret
• Iodine

What is the colour change if you add Iodine (Brown colour) to the food contains protein?

• Red Brick

• No changes (Negative Results)

• Black

• Navy Blue

How do you test for lipids?

• By using Ethanol and water

• By using Benedicts solution

• By using Iodine

• By using Biuret test