Biomolecules

Multiple Choice

What is the simplest form of substance that cannot be simplified into another form?

• compound

• element

• atom

• cell

Multiple Choice

Which of the following is not an inorganic compound?

• water

• acid

• base

• protein

Multiple Choice

Water's high heat of fusion helps organism from freezing at a low temperature.

• True

• False

Multiple Choice

When a litmus paper turns red, the substance is ______.

• acidic

• basic

• neutral

• none of the above

Open Ended

Why is electrolyte important in living systems?

Multiple Choice

What organic compound is the most abundant in living systems?

• protein

• carbohydrates

• lipids

• carbon dioxide

Multiple Choice

What type of protein promotes protection against foreign bodies?

• structural

• contractile

• transport

• defensive

Multiple Choice

What structure of protein shows the sequence of amino acids forming polypeptide chains?

• primary

• secondary

• tertiary

• quarternary

Multiple Choice

These are also known as simple sugars.

• monomer

• monosaccharide

• amino acid

• lipid

Multiple Choice

Starch is a polysaccharide. True or False.

• True

• False

Multiple Choice

What serves as a genetic information storage molecule?

• Nucleic acid

• carbohydrates

• proteins

• Lipids

Open Ended

Why are unsaturated fatty acids healthier?