Biomolecules Quiz

Which of the following are considered biomolecules?

• carbohydrates

• lipids

• proteins

• DNA

• RNA

What is the function of a CARBOHYDRATE?

• short term energy storage

• long term energy storage

• building muscle

• carries genetic information

Which of the following is NOT a function of lipids?

• insulation

• short term energy storage

• cushion

• long term energy storage

Which object on this plate is a protein, which helps build muscle?

• steak

• dinner roll

• butter

• ceramic

Which object on this plate is a different type of protein than meat?

• enzyme

• wax

• starch

Some plants have a waxy coating. Most of the plant is composed of a carbohydrate called cellulose, but what biomolecule composes most of the wax?

• carbohydrate

• lipid

• protein

• nucleic acid (RNA or DNA)

Which of the following are functions of the protein biomolecule? (pick 3!)

• to build muscle

• to serve as enzymes

• to assist some substances in and out of the cell as channels or pores

• to cushion and insulate

What is the function of enzymes?

• to slow down chemical reactions in the body

• to speed up chemical reactions in the body

• to stop chemical reactions in the body

• to store energy in the body

Enzymes can be broken down by pH and temperature. What is another term for a "broken" enzyme?

• ruined

• shattered

• lipids

• denatured

Looking at this graph, can you tell the temperature at which this enzyme functions the best?

• 0 degrees

• 20 degrees

• 40 degrees

• 60 degrees