Cell Processes Review

1. The movement of a substance from an area of HIGH concentration to an area of LOW concentration is known as

• a. active transport.
• b. diffusion.
• c. osmosis.
• d. mitosis.

2. The diffusion of WATER across the CELL MEMBRANE is known as

• a. active transport.
• b. diffusion.
• c. osmosis.
• d. mitosis.

3. When ENERGY IS NEEDED to move substances, it is known as

• a. active transport.
• b. mitosis
• c. cytokinesis
• d. passive transport

4. When NO energy is needed to move substances. it is known as

• a. active transport
• b. mitosis
• c. cytokinesis
• d. passive transport

5. What is the definition of selectively permeable as it relates to the cell membrane (semi-permeable)

• The movement of materials across the cell membrane that requires NO ENERGY from the cell.
• The ability of the cell membrane to allow some things to pass through while preventing other things from passing through.
• The movement of materials through (or across) the cell membrane
• The movement of molecules from an area of high concentration to a area of low concentration

6. The picture represents which type of cell transport? (Pay attention to the direction of the arrows)

• Passive Transport
• Endocytosis
• Exocytosis
• Osmosis

7. The picture represents which type of cell transport? (Pay attention to the direction of the arrows)

• Passive Transport
• Endocytosis
• Exocytosis
• Osmosis

8. Living things get their energy directly or indirectly from

• a. water.

• b. animals.

• c. plants.

• d. the sun.

9. Pigment in green plants that captures the energy in sunlight is called

• a. pigment

• b. chlorophyll

• c. stomata

• d. chloroplast

10. The process by which plants use energy from sunlight and raw materials from the air and water to make glucose is known as (using light to make food)

• a. cooking.
• b. respiration.
• c. breathing.
• d. photosynthesis.