Crash Course: Tour of Cells

What did Dr. Theodor Schwann and Matthias Schleiden propose about all organisms?

• They arise spontaneously from inorganic material

• They are made from nonliving matter

• They are made from cells

• They are not made from cells

What is the function of the chloroplast in plant cells?

• Gas exchange

• Protein synthesis

• Photosynthesis

• Energy production

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What is the main function of the Golgi apparatus in a cell?

• Energy production

• Protein packaging

• Lipid manufacturing

• Protein synthesis

What did Dr. Lynn Margulis contribute to the understanding of the origin of mitochondria and chloroplasts?

• She invented modern cell theory

• She discovered them using a microscope

• She proposed the idea of endosymbiosis

• She disproved the existence of mitochondria and chloroplasts

Who discovered the cell by observing a slice of cork under a microscope?

• Aristotle

• Robert Hooke

• Theodor Schwann

• Isaac Newton

What is the name of the process where a small bacterium found its way inside of a larger bacterium, leading to the origin of mitochondria and chloroplasts?

• Endosymbiosis

• Fermentation

• Photosynthesis

• Mitosis

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What is the main reason why powerful microscopes are needed to observe cells?

• Cells are colorful

• Cells are transparent

• Cells are really small

• Cells are really large

What is the limit on cell size based on the surface-to-volume ratio?

• The larger the cell, the faster the surface area increases

• Cell volume increases faster than the cell's surface area

• Cell volume increases slower than the cell's surface area

What is the main difference between classical cell theory and modern cell theory?

• All of the above

• Cells divide and pass along their genetic information to new cells

• Similar species have similar cells

• Energy flows within cells

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What is the main difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a defined nucleus, eukaryotic cells don't

• Eukaryotic cells have chloroplasts, prokaryotic cells don't

• Eukaryotic cells have a defined nucleus, prokaryotic cells don't

• Prokaryotic cells have chloroplasts, eukaryotic cells don't