Grade 6 - Cells Ultrastructure

What is biology?

• The study of computer programming languages.
• The study of human behavior.
• The study of rocks and minerals.
• The study of living organisms and their interactions with the environment.

What is a cell?

• A cell is a unit of a spreadsheet used to store data.

• A cell is a type of battery used to store electrical energy.
• A cell is the basic structural and functional unit of all living organisms.

• A cell is a small room in a prison or confinement facility.

Who first observed cells?

• Antonie van Leeuwenhoek
• Louis Pasteur
• Gregor Mendel
• Robert Hooke

What can you relate cells to? Provide as many examples as you can.

According to their structure we can classify cells as...

• nucleus cells and non-nucleus cells
• prokaryotic cells and eukaryotic cells
• bacterial cells and viral cells
• plant cells and animal cells

What are prokaryotic cells?

• Cells without a nucleus or membrane-bound organelles
• Cells with a nucleus and membrane-bound organelles
• Cells with only a nucleus
• Cells with only membrane-bound organelles

Prokaryotes are single-celled organisms belonging to the domains of...

• Archaea and Eukarya

• Bacteria and Fungi
• Bacteria and Archaea

• Bacteria and Eukarya

What are the differences between prokaryotic and eukaryotic cells?

What are eukaryotic cells?

• Cells without a nucleus and membrane-bound organelles.
• Cells with a nucleus but without membrane-bound organelles.
• Cells without a nucleus and without membrane-bound organelles.
• Cells with a nucleus and membrane-bound organelles.

What kind of cell is this one?

• Eukaryote

• Prokaryote