Cell Structure and Function

What is a key difference between prokaryotic and eukaryotic cells?

• Size only
• Shape only
• Color differences
• Presence or absence of a defined nucleus

Which of the following is true about unicellular organisms?

• They require other cells to survive
• They do not perform life functions
• They cannot reproduce
• They can exist independently

Which statement best describes the role of the cell in living organisms?

• Only structural unit
• Only functional unit
• Not important for life
• Fundamental structural and functional unit

Which of the following is NOT part of the original cell theory?

• All cells come from existing cells
• Cells are the basic unit of life
• All living things are made of cells
• All cells have a nucleus

Who extended the idea that all animals are made of cells?

• Antonie Von Leeuwenhoek
• Robert Brown
• Matthias Schleiden
• Theodore Schwann