Unit 2: Biochemistry

Carbon compounds that come from living organisms are called _____ compounds.

• biological

• homogeneous

• water

• organic

Which is NOT an organic compound?

• carbohydrates

• water

• nucleic acids

• proteins

Which of the following is NOT paired correctly?

• glucose- carbohydrate

• fat- lipid

• starch-nucleic acid

• enzyme-protein

The main function of carbohydrates is

• to provide quick energy

• to store backup energy

• to store genetic information

• to speed up chemical reactions

Which of the following macromolecules store energy, provide insulation, and assist in buoyancy?

• nucleic acids

• proteins

• lipids

• carbohydrates

Enzymes affect the reactions in living cells by changing the

• products of the reaction

• pH of the reaction

• temperature of the reaction

• speed of the reaction

Why can’t a denatured enzyme do it’s job?

• it’s shape has been altered

• it’s a polypeptide

• too many reactants involved

• to many products created

Tags

NGSS.HS-LS1-1

What type of macromolecule is an enzyme?

• Carbohydrate
• Lipid
• Protein
• Nucleic Acid

Tags

NGSS.HS-LS1-1

Enzymes are able to speed up chemical reactions because they - 

• increase the temperature inside the cell
• reduce the friction between the reactants
• make the raw materials more chemically reactive
• lower the activation energy of the reaction

Tags

NGSS.HS-PS3-1

amino acids are monomers to...

• carbohydrates

• lipids

• proteins

• amino acids