Macromolecule, Enzyme, ATP Review

What macromolecule is an enzyme?

• carbohydrates

• proteins

• lipids

• cells

What is a substrate?

• Substrate

• Co-enzyme

• reactant

• protein

What happens when enzymes are heated to a high temperature?

• The enzymes die.
• The shapes of the enzyme are altered denature
• The enzymes' amino acid sequence changes.
• The enzymes remain the same

What is the function of ATP in living things?

• provides energy for cells
• stores genetic information
• provides structure in the nucleus

What is the purpose  of an enzyme?

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

Where do substrates bind on an enzyme?

• voltage-gated channels
• surface receptor
• calcium channels
• active site

What 3 letters do enzymes typically end in?

• -ose
• -ase
• -ese
• -tic

Which of the following conclusions can be drawn from this graph?

• The optimum pH of the enzyme is 6.6.
  
• The optimum pH of the enzyme is 5.8
  
• The enzyme’s activity increases as pH increases 5.0 to 9.0
  
• The enzyme’s activity is greater around pH of 8.0 .
  

What makes an enzyme substrate specific?

• Size
• Shape
• Name
• Location it is found in

Enzymes are compared to a lock and key because of what?

• Each enzyme has multiple substrate it reacts with

• Each enzyme has only one substrate it reacts with

• Each substrate has multiple enzymes it reacts with

• none of the above