Cellular Transport

Osmosis is the movement of _____ across a membrane.

• glucose
• any molecule
• oxygen
• water

This picture represents which type of cellular transport?

• passive transport
• endocytosis
• exocytosis
• osmosis

The concentration of water is higher in the soil than in plant root cells. Water moves into root cells of a plant by...

• Facilitated Diffusion
• Simple Diffusion
• Active Transport
• Osmosis

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

• vacuole
• vessicle
• cell membrane
• cell wall

The cell below is in a _________ solution.

• Hypotonic
• Hypertonic
• Isotonic

The cell below is in a _____________ solution.

• Hypertonic
• Hypotonic
• Isotonic

A cell in an isotonic solution will

• swell
• shrink
• stay the same size
• impossible to tell

What type of transport is represented by figure "B" 

• Active Transport
• Facilitated Diffusion 
• Protein Transport 
• Osmosis 

The cell membrane is made mostly of

• phospholipid monolayer and proteins
• phospholipid bilayer and proteins
• proteins and carbohydrates bilayer
• triglycerides and carbohydrates

Which is true of passive transport?

• Moves from low to high concentration 
• Requires energy
• Moves from high to low concentration 
• Moves against the gradient