Cell Theory and Cell Organelles

Which of the following is not a part of the cell theory?

• Cells are the basic unit of life

• All living things are made of cells

• Cells can be created from non-living matter

• Cells come from pre-existing cells

Which organelle is responsible for energy production in a cell?

• Mitochondrion

• Chloroplast

• Nucleus

• Vacuole

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Imagine you are a tiny creature living inside a cell. What would be your role if you were the cell membrane?

• Regulating the movement of substances in and out of the cell

• Providing support and protection to the cell

• Storing water and other substances

• Controlling cell division

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Imagine you are a botanist studying a plant cell under a microscope. Which organelle would you be looking at if you were studying the process of photosynthesis?

• Nucleus

• Chloroplast

• Mitochondrion

• Vacuole

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What is the main function of the nucleus?

• Energy production

• Photosynthesis

• Cellular respiration

• Contains genetic material and controls cell activities

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In 1838 botanist Matthias Schleiden determined that all plants are composed of cells. In 1839 anatomist Theodor Schwann proposed that all animals are composed of cells. In 1855 biologist Rudolph Virchow added to Schleiden’s and Schwann’s observations and proposed that all living things are composed of cells. Which statement is also part of Virchow’s cell theory?

• all cells have a cell wall

• Cells come from pre-existing cells
• all cells are capable of photosynthesis

• Cells can be created from non-cellular material

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The picture below shows the basic unit of life, found in all living organism.

This picture represents...

(a)  

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What are the tiny structures inside cells called?

• Ribosomes
• Mitochondria
• Organelles
• Nucleus

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Match the following organelles with their functions

• Stores water

• Vacuole

• converts energy

• Chloroplast

• produces sugar (food)

• Nucleus

• regulates cell contents

• Cell membrane

• contains genetic information

• Mitochondrion

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The structure that supports and protects plant cells ​ (a)  

• Cell membrane
• nucleus
• mitochondrion
• chloroplast
• cell wall

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