Cell Structure and Function

Where are thylakoids found?

• Mitochondria
• Nucleus
• Golgi apparatus
• Chloroplasts

From where do new cells originate?

• Biotic materials
• Dead cells
• Abiotic materials
• Pre-existing cells

A unicellular organism performs life processes within ______.

• tissues
• organs
• organ systems
• a single cell

Which scientist contributed to the idea that cells arise only from pre-existing cells?

• Schwann
• Schleiden
• Virchow
• Hooke

Which pair of scientists formulated the cell theory?

• Hooke and Brown
• Virchow and Leeuwenhoek
• Schleiden and Schwann
• Brown and Schwann