Enzyme Bell Ringer

Which of the following tasks listed below is most associated with enzymes?

• catalyze chemical reactions                  
• store genetic information       
• store chemical energy in the cell   
• dissolve nutrients and minerals 

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NGSS.HS-LS1-7

Enzymes are capable of increasing the rate of a chemical reaction within a living cell.  Enzymes accomplish this through which of the following means?

• reducing the number of products   
• reducing the activation energy
• increasing the temperature of the cell
• increasing the concentration of reactants 

Tags

NGSS.HS-PS1-5

Cells can produce over one thousand different enzymes at a time.  Enzymes are critical to the metabolism of these cells, but why are so many different enzymes needed?

• Cells are completely unable to control what enzymes
  they produce
• The variety of enzymes prevents their actions from being inhibited. 
• The active site of an enzyme can only bind to a specific substrate.
• The products of a reaction are always converted into new enzymes.

Tags

NGSS.HS-LS1-6

Based on the information in the diagram, which of the following inferences can be made about the identities of molecules A and B?

• Molecule A is an enzyme, and molecule B is an RNA molecule
• Both molecules are different types of nucleic acids
• Molecule A is a nucleic acid, and molecule B is a protein
• Both molecules are different types of proteins

Based on the information in the diagram, it can be concluded that both of these molecules contain which of the following elements?

• phosphorous
• fluorine
• selenium         
• carbon

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2