Cell Membrane and Transport

The yellow and brown portion of this image is:

• protein

• phopholipid

• carbohydrate

• cholesterol

The purple regions of the image represent:

• phospholipid

• cholesterol

• proteins

• carbohydrates

A phospholipid has 2 parts. What are they called? 

• Hydrophilic Head, Hydrophobic Tail 
• Hydrophobic Head, Hydrophilic Tail 

Something is ___________ ____________
when some molecules can cross the membrane while others cannot. 

• Selectively (or Semi) Permeable 
• Totally Transparent
• Liquid Licorice 
• Heavily Patrolled 

What is diffusion?

• when molecules move 
• when molecules move from a high concentration to a low.
• no movement 
• molecules move everywhere

How does a cell maintain homeostasis?

• Regulates what enters and leaves the cell
• Flexibility
• Protective barrier
• Structure and support

Tags

NGSS.HS-LS1-3

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

The type of cellular transport that requires no energy.

• Active Transport
• Protein Pumps
• Passive Transport
• Endocytosis

Which of the following modes of cellular transport does NOT require energy?

• Facilitated Diffusion
• Protein Pumps
• Endocytosis
• Exocytosis

The process of engulfing food or liquid particles into the cell.

• Osmosis
• Exocytosis
• Endocytosis
• Diffusion