Cell Transport

This is a ____.

• Golgi body
• plasma membrane
• lysosome
• cell wall

Which is an example of how humans maintain homeostasis in bad environmental conditions?

• sweating in the heat
• shivering in the heat
• digesting amino acids
• regulating glucose levels

Which process involves the movement of molecules from high concentration to low concentration?

• Endocytosis
• Active transport
• osmosis
• phagocytosis

Two different solutions are separated by a membrane permeable only to water. How will molecules move?

• solutes will move by dissolving
• water will move by active transport
• solutes will move by osmosis
• water will move by osmosis

What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?

• Diffusion
• Osmosis
• Active Transport
• Facilitated Diffusion

This picture represents what type of cell transport?

• endocytosis
• exocytosis
• osmosis
• passive transport

Which is true about active transport?

• It requires energy
• it does not require energy
• It moves substances down the concentration gradient
• it moves material from high to low concentration

This cell organelle helps organisms maintain homeostasis by controlling what substances may enter or leave cells.

• vacuole
• nucleus
• cell membrane
• cell wall

The cell below is in a _________ solution.

• Hypotonic
• Hypertonic
• Isotonic

The cell below is in a _____________ solution.

• Hypertonic
• Hypotonic
• Isotonic