Final Review

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

During osmosis

• water moves from high to low concentration
• large or oddly shaped molecules move across a cell membrane
• water moves when energy is used
• proteins are built

The diffusion of water through a semi-permeable membrane is called?

• Osmosis
• Cell wall
• Diffusion
• Respiration

Where is there a low concentration of dye?

• at the bottom of cup
• in the color
• at the top of cup 
• no concenteraion gradient

Tags

NGSS.HS-PS1-5

The picture below is an example of _________________.

• osmosis
• isotonic
• diffusion
• active transport

Tags

NGSS.MS-LS1-2

Permeable means

• things can pass through
• the concentration levels are different
• it is permanent
• things are stuck

Where is there a high concentration of water?

• in the flower
• cannot be determined by picture.
• in the vase
• in the leaves

Tags

NGSS.HS-ESS2-5

Where is there a low concentration of perfume?

• in the bottle
• on the hand
• in the room
• in the top

What is a sac-like structure used to store water and nutrients? These are much larger in plant cells?

• Lysosomes
• Mitochondria
• Vacuoles
• Golgi Body

Animal cells DO NOT have ...

• Mitochondria
• Lysosomes
• Vacuoles
• Chloroplasts