8th Life Science - Molecular Biology

All living organisms on Earth are made up of at least one small structure called a(n)

• organelle.
• cell.
• tissue.
• organ.

Term for the types of living organisms that are made up of only one cell.  Examples include all bacteria, as well as some protists and fungi.

• Multi-cellular
• Unicellular

Term for those living organisms that are made up of more than one cell.  This includes all animals and plants, as well as some protists and fungi.

• Multicellular
• Unicellular

Term for the types of cells that do not have a nucleus or many other organelles.  This includes all bacteria cells.

• Eukaryotic
• Prokaryotic

Term for cells that do have a nucleus and other membrane-bound organelles, such as mitochondria, vacuoles, etc.  Examples are all animals, plants, protists, and fungi cells.

• Eukaryotic
• Prokaryotic

Organelle in eukaryotic cells that is the site of cellular respiration that burns sugar with oxygen to produce energy, carbon dioxide, and water.

• Chloroplasts
• Vacuoles
• Mitochondria
• Golgi bodies

All bacteria are single-celled organisms.  How do they take in the food and oxygen necessary to survive?

• With a digestive system and a respiratory system.
• With a mouth and lungs.
• They absorb them directly from their environment.

Which of the following would not have specialized cells for certain functions? 

• Maple tree (plant)
• Cat (animal)
• Fish (animal)
• Bacteria (Monera)

Which of the following are specialized cells found in humans?

• Bone cells
• Blood cells
• Nerve cells
• All of these

Which of these specialized cells carry oxygen to other cells and remove waste carbon dioxide?

• Red blood cells
• White blood cells
• Nerve cells
• Muscle cells