Macromolecules and enzymes

Monosaccharides are monomers of

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 

• true
• false

Changes in pH and temperature can ___________________ an enzyme which causes it to lose its shape and affects its function.

• puncture

• denature

• double

• delete

This macromolecule carries hereditary information and instructions for building molecules

• carbohydrate

• lipids

• protein

• nucleic acid

After the enzyme and substrate bind together and perform the reaction, what does the substrate become?

• a substrate
• an enzyme
• a product
• an active site

Letter B...

• active site
• enzyme
• substrate
• products

What type of macromolecule are enzymes?

• Protein
• Carbohydrate
• Lipid
• Nucleic Acid

Which macromolecule is used as our main source of energy?

• Lipids/Fats

• Nucleic Acids

• Proteins

• Carbohydrates

What is the purpose  of an enzyme?

• give permission for the reaction
• raise activation energy
• speed up reactions
• control how many reactions occur

Letter D...

• active site
• enzyme
• substrate
• products