BIO 103 - Exam 2 Review

What is another term for "selectively permeable"?

• porous
• completely permeable
• permanent
• semipermeable

Most of the cell membrane is made of...

• Lipids
• Carbohydrates
• Proteins
• Nucleic acids

What forms the channels and pumps in the phospholipid bilayer?

• carbohydrates

• proteins

• hydrophilic heads

• lipids

Tags

NGSS.MS-LS1-2

The function of the plasma membrane is....

• to regulate what enters and leaves the cell.
• fight bacteria and viruses that enter the cell.
• provide rigid support and protection to the cell.
• make sure each cell can move

Tags

NGSS.MS-LS1-2

A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails. 

• phospholipid 
• Carbohydrate
• Cholesterol 
• Protein 

Tags

NGSS.MS-LS1-2

What is the diffusion of water?

• osmosis
• active transport
• diffusion
• facilitated diffusion

Which type of movement requires energy?

• osmosis
• active transport
• diffusion
• facilitated diffusion

Which type of movement goes from low to high concentration?

• active transport
• diffusion
• osmosis, 
• facilitated diffusion

What type of solution is a cell in when it gets bigger than normal?

• hypertonic
• isotonic
• hypotonic

Tags

NGSS.MS-LS1-5

What type of solution is a cell in when it shrinks?

• hypertonic
• isotonic
• hypotonic