Biology Mid Year Exam Review (Units 1-4)

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.

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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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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Which of the following is the correct equation for aerobic cellular respiration?

• 6CO₂ + 6H₂O     --->   C₆H₁₂O₆ + 6O₂ + ATP
• 6O₂ + C₆H₁₂O₆  ---> 6H₂O + 6CO₂ + ATP
• C₆H₁₂O₆  + 6H₂O ---> 6CO₂ + 6O₂ + ATP
• 6O₂ + 6H₂O ---> C₆H₁₂O₆ + 6CO₂ + ATP

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Which of the following is the correct equation for PHOTOSYNTHESIS?

• 6CO₂ + 6H₂O --> 6O₂ + C₆H₁₂O₆
• 6CO₂ + C₆H₁₂O₆ + 6H₂O --> O₂ 
• 6O₂ + 6H₂O --> 6CO₂ + C₆H₁₂O₆
• C₆H₁₂O₆ + 6O₂ ---> 6H₂O + 6CO₂ 

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What is the purpose of cellular respiration?

• to break down food
• to create energy in the body
• to release energy from food
• there is none; it's a waste of time

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