Understanding Cells

What is the primary role of a cell in living organisms?

• To eliminate waste

• To serve as a building block of life

• To act as a protective barrier

• To provide nutrients

Which organelle is known as the 'brain' of the cell?

• Nucleus

• Cytoplasm

• Endoplasmic reticulum

• Mitochondria

What is the function of mitochondria in a cell?

• To store genetic information

• To maintain cell shape

• To provide energy

• To transport materials

How do cells maintain a stable internal environment?

• By maintaining homeostasis

• Through cell division

• By converting nutrients into energy

• Through photosynthesis

What is a key difference between prokaryotic and eukaryotic cells?

• Eukaryotic cells have a true nucleus

• Prokaryotic cells are more complex

• Eukaryotic cells lack organelles

• Prokaryotic cells have a true nucleus