Cells

Which of the following types of cells have cell walls?

• plant cells
• muscle cells
• blood cells
• animal cells

Which tool could help you see a plant cell?

• a filter
• a microscope
• a microwave
• an electro magnet

What is the function of a cell wall?

• to protect and support the cell
• to perform different functions in a cell
• to prevent water from getting in the cell
• to prevent oxygen from entering the cell

What organelle is the control center of the cell (contains DNA)

• mitochondrion
• ribosome
• nucleus
• chloroplasts

The diffusion of molecules through a membrane is called:

• osmosis
• engulfing
• transporting
• facilitation

The invention of the microscope made it possible for people to discover:

• plants
• skin
• animals
• cells

During passive transport, materials move from areas of high concentration to low concentration.

• True
• False

Cell theory states that cells are produced from non living cells.

• True
• False

During which stage of the cell cycle does the cell grow?

• Interphase
• Cytokinesis
• Prophase
• Mitosis

Starch (potatoes) is an example of:

• lipid
• nucleic acid
• protein
• carbohydrate