Energy for Life - Frequently Missed Questions

Which macromolecule acts as a catalyst to speed up chemical reactions?

• Proteins

• Carbohydrates

• Lipids

• Nucleic Acids

Enzymes are classified as which macromolecule?

• Nucleic Acid

• Protein

• Carbohydrate

• Lipid

Which of these macromolecules are a source of energy?

• carbohydrates and lipids

• carbohydrates and nucleic acids

• proteins and DNA

• lipids and enzymes

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-7

Starch, a type of carbohydrate, is found in foods like pasta, bread, and potatoes. Eating foods with starch provides your body with...

• a catalyst to break down substances

• a structure to store genetic information

• a short term energy source

• insulation

Tags

NGSS.MS-LS1-7

Starch and cellulose are classified as which macromolecule?

• Nucleic Acid

• Protein

• Carbohydrate

• Lipid

Proteins are polymers made up of smaller monomers called...

• amino acids

• fatty acids

• carbohydrates

• glucose

Tags

NGSS.MS-LS3-1

Fatty acids are small structures that when joined together form a triglyceride. Fatty acids are considered...

• monomers

• polymers

• carbohydrates

• nucleic acids

Tags

NGSS.MS-PS1-1

Lipase is an enzyme that breaks down lipids. Which structures join together to build lipase?

• fatty acids

• amino acids

• nucleic acids

• monosacchardes

Polymerase is an enzyme that builds DNA. Polymerase is built from many linked...

• fatty acids

• amino acids

• nucleic acids

• monosacchardes

Tags

NGSS.MS-LS3-1

Enzymes start and speed up chemical reactions. They act as...

• substrates

• catalysts

• inhibitors

• insulators

Tags

NGSS.MS-PS1-2