Enzymes Introduction Review

What two elements are found in organic compounds?

• Carbon and Hydrogen

• Nitrogen and Hydrogen

• Carbon and Carbon

• Carbon and Helium

Match the following Organic Compounds with their Function

• Quick Energy

• Nucleic Acids

• Enzymes, Skin, Muscle, Antibodies

• Proteins

• Stored Energy

• Lipids

• Genetic Material

• Carbohydrates

Which is used for enzymes, muscles, skin, and hair

• Carbohydrates

• Proteins

• Lipids / Fats

• Nucleic Acids

Tags

NGSS.HS-LS1-1

NGSS.HS-LS1-6

Enzymes are considered to be 

• Lipids
• Carbohydrate
• Protein
• Nucleic Acid

What is the purpose  of an enzyme?

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

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 .
  

Why is the shape of an enzyme important?

• Shape determines what works with the enzyme

• The Shape changes every day

• The shape is not important

What is this molecule called?

• Enzyme

• Glucose

• Variable

• Amino

Match the following Organic Compounds with their Building Blocks

• Nucleotides

• Carbohydrates

• Simple Sugars

• Nucleic Acids

• Fatty Acids

• Lipids

• Amino Acids

• Proteins

Cell membranes are said to be selectively permeable. Which statement best explains what selectively permeable means?

• The cell membrane prevents any harmful substance from entering the cell.

• The cell membrane lets certain substances enter the cell and keeps certain substances out of the cell.

• The cell membrane allows only large molecules to diffuse into the cell.

• The cell membrane has pores that let only water and glucose into the cell and carbon dioxide out.

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NGSS.MS-LS1-2