Eto Science

Cell Membrane

Multiple Choice

The arrangement of the cell membrane is described as

• The Fluid Mosaic Model

• The Major Mobility Model

• The Crazy Cell Model

Multiple Choice

Something is ___________ ____________

when some molecules can cross the membrane while others cannot.

• Liquid Licorice

• Totally Transparent

• Selectively (or Semi) Permeable

Multiple Choice

A phospholipid has 2 parts. What are they called?

• Hydrophilic Head, Hydrophobic Tail

• Hydrophobic Head, Hydrophilic Tail

Multiple Choice

What is diffusion?

• when molecules move

• when molecules move from a high concentration to a low.

Multiple Choice

True or false

Simple diffusion is movement of molecules from high to low concentration

• True

• False

Multiple Choice

In facilitated diffusion, molecules move through a:

• Protein channel

• A pipe

• A cholesterol

Multiple Choice

_______ transport requires energy

• Active

• Passive

Multiple Choice

In endocytosis, large molecules move______of the cell membrane through vesicles

• Inside

• Outside

Multiple Choice

Osmosis is the movement of _____ across a membrane.

• Proteins

• Water

• Oxygen

Multiple Choice

A cell in a hypertonic solution would

• Shrink

• Stay the same

• Swells up

Multiple Choice

A cell placed in a isotonic solution would

• Shrink

• Stay the same

• Swell up

Multiple Choice

A cell in a hypotonic solution would

• Shrink

• Stay the same

• Swell up or burst