Cell Structure and Function

What does the improvement of the microscope allow scientists to do?

• Hear sounds
• Smell chemicals
• Measure weight
• See smaller structures inside cells

Which of the following is NOT a reason why cells are considered the structural unit of life?

• All organisms are made of cells
• Cells build tissues
• Cells build organs
• Cells are visible to the naked eye

Which of the following is true about the nucleus?

• It destroys the cell
• It is unnecessary
• It has no function
• It controls the activities of the cell

What does the cell theory state about the origin of cells?

• Cells appear spontaneously
• Cells come from water
• Cells come from air
• All cells come from existing cells

Which of the following statements about cells is false?

• Cells can grow
• Cells can divide
• Cells can reproduce
• Cells cannot reproduce