Review Biochemistry: Macromolecules

The function of starch is used by plants to store energy.

• True

• False

Polysaccharide is a complex carbohydrate.

• True

• False

One of the function of ___ is helping to fight infections

• lipid

• carbohydrate

• nucleic acid

• proteins

___________ are two monomers of sugars

• Polysaccharides

• Disaccharides

• Monosaccharides

To test for starch in this lab, the indicator or reagent used is called __________________ solution.

• Benedict's reagent

• Iodine

• Sudan III

• Biuret's solution

To test for the presence of fat, the indicator used is

• Sudan IV

• Biuret's reagent

• Benedict's solution

• Iodine

Substances that contains protein will turn __________ if you use the __________ indicator.

• violet, Biuret's solution

• red, Biuret's solution

• black, iodine

• yellow, Benedict's solution

After placing a couple of drops of an indicator solution in a test tube, you noticed two layers start to appear in test tube. The top layer is deep red and the bottom layer is milky, yellowish color. What class macromolecule does this test tube contain?

• lipids

• proteins

• nucleic acid

• carbohydrates

Fat is a type of protein.

• True

• False

All living things are made up of molecules contain carbon.

• True

• False