Macromolecules Review Lesson

Open Ended

You are made of cells, which are made of molecules and water, which are made of atoms. Where were these atoms before they were in you?

Multiple Choice

The four most abundant elements in living things are...

• Fe, H, O, C

• Si, S, P, C

• Ca, K, H, O

• C, H, N, O

Multiple Choice

How many valence electrons does carbon have? (use your periodic table and create a Bohr model if needed)

• 2

• 4

• 6

• 8

Multiple Choice

What is the name of this molecule?

• sodium chloride

• water

• hydrogen peroxide

• glucose

Multiple Choice

What type of bonds are holding the oxygen and hydrogen atoms in this molecule of water together?

• ionic bonds

• covalent bonds

• hydrogen bonds

Open Ended

Explain what is happening in this image. Why does this happen?

Multiple Choice

The top two ingredients in Starburst candy are sucrose and glucose. What group of macromolecules are you eating when eating starburst?

• lipids

• nucleic acids

• carbohydrates

• proteins

Multiple Choice

Starburst are made of corn syrup. Corn syrup is made in a chemical process by which enzymes breakdown corn starch into glucose monomers. What process is occurring?

• dehydration synthesis

• hydrolysis

• photosynthesis

• cellular respiration

Multiple Select

Nucleic acids are........(select all that apply)

• DNA & RNA

• made of amino acid monomers

• a source of energy

• contain genetic information

Multiple Choice

Which of these is NOT an example of a lipid?

• proteins

• triglyceride

• cholesterol

• unsaturated fats

Multiple Choice

How many types of amino acids exist in nature?

• 4

• 5

• 20

• 87