Lesson 1.2- Activity 5- Reading "Cells"

Who was the first scientist to say that cells are living things?

• a) Robert Hooke
  

• b) Anton van Leeuwenhoek
  

• c) Charles Darwin
  

• d) Isaac Newton

All cells take in food, release energy from food, and use the (a)   to do things.

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The ______ is the command center of the cell because it contains DNA and controls how the cell behaves.

• Nucleus
• Cell Membrane
• Mitochondria
• Ribosomes

The ​​____ ____ is like the post office of the cell because it packs proteins into vesicles and sends them where they are needed.

• Golgi body
• Endoplasmic reticulum

Plant cells have a large ​v (a)   that stores food, waste, and water

Why are cells essential for life?

• a) They are the smallest objects in the universe
  

• b) They take in molecules, release energy, and do important jobs for the body
  

• c) They make up only plants and bacteria
  

• d) They can survive without energy