Biology Mid-Year

The main function of chloroplasts is:

• To control what enters and leaves the cell.
• To break down food to release energy for the cell.
• To control all activities of the cell.
• To produce food for the cell using the sun's energy.

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What is the main difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a nucleus and Eukaryotic cells do not
• Prokaryotic cells are unicellular and Eukaryotic cells are multicellular.
• Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus.
• Prokaryotic cells are plant cells and Eukaryotic cells are animal cells.

Ribosomes are the cell organelle that

• Break down food to produce energy for the cell.
• Produce proteins for the cell.
• Break down broken cell parts.
• Make food for the cell using the sun's energy.

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Organisms composed of many cells are called

• Prokaryotic
• Eukaryotic
• Unicellular
• Multicellular

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Which types of organisms are Prokaryotes?

• Animals
• Plants
• Fungi
• Bacteria

This is referred to as the energy currency of the cell

• ADP
• ATP
• Mitochondria
• Nucleus

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Stores genetic information and carries out protein synthesis

• Carbohydrates
• Lipids
• Proteins
• Nucleic Acids

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What is the purpose  of an enzyme?

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

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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 .