Unit 3 Vocabulary

The maintenance of an organism’s internal environment is called:

• compensating
• homeostasis
• balancing
• routine

Tags

NGSS.HS-LS1-3

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

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

Tags

CCSS.RI.11-12.3

CCSS.RI.11-12.5

CCSS.RI.8.3

CCSS.RI.9-10.3

CCSS.RI.9-10.5

Controls the passage of materials inside and outside of the cell. 

• Cell Membrane
• Lipid Cleric Layer
• Membrane Gate
• Protein Receptors 

Tags

NGSS.MS-LS1-2

Passive transport is called "passive" because it occurs WITHOUT

• cause.
• energy.
• a concentration gradient.
• a cell wall.

Osmosis is the diffusion of _____ across a membrane

• glucose
• NaCl
• proteins
• water

Diffusion is the movement of molecules from an area of higher concentration to an area of lower concentration.

• True
• False

This solution has the equal concentrations of water molecules and particles.

• hypertonic
• hypotonic
• isotonic

This solution has the highest concentration of water molecules.

• hypertonic
• hypotonic
• isotonic

This solution has the highest concentration of particles.

• hypertonic
• hypotonic
• isotonic

In facilitated diffusion, molecules move

• Down a concentration gradient
• Against a concentration gradient