Understanding Cells and Cell Theory

What is considered the smallest unit of life?

• Cell

• Organism

• Atom

• Molecule

Which tool was crucial in the discovery of cells?

• Stethoscope

• Microscope

• Telescope

• Thermometer

According to cell theory, what are all living things made of?

• Tissues

• Cells

• Molecules

• Atoms

Which of the following is NOT a principle of cell theory?

• All living things are made of cells

• Cells are the basic unit of life

• New cells arise from non-living matter

• Cells are the basic unit of structure and function

What does the cell theory not explain?

• How cells function

• The structure of cells

• Where the first cell came from

• How cells reproduce

Which type of cells lack a nucleus?

• Animal

• Prokaryotic

• Plant

• Eukaryotic

What is a characteristic of prokaryotic cells?

• They have membrane-bound organelles

• They are multicellular

• They have a nucleus

• They are smaller and less complex

Which kingdoms are composed of eukaryotic cells?

• Fungi and Bacteria

• Viruses and Bacteria

• Protists, Fungi, Plants, and Animals

• Bacteria and Archaea

What is a key feature of eukaryotic cells?

• Unicellular nature

• Smaller size

• Presence of a nucleus

• Lack of organelles

How can you remember the difference between prokaryotic and eukaryotic cells?

• Prokaryotic cells have a nucleus

• Prokaryotic cells are more complex

• Eukaryotic cells are smaller

• You are made of eukaryotic cells