LS 2.4 - The Cell and its Environment

The word "passive" as in passive transport means ....

• the process uses energy
• the process does not use energy
• the process is energy
• all of these are correct

Which type of passive transport uses a protein channel to help larger molecules through the membrane?

• diffusion

• osmosis

• facilitated diffusion

• endocytosis

Molecules naturally move from areas of higher concentrations to areas of lower concentrations in a process called ...

• exocytosis
• endocytosis
• lipid bilayer
• diffusion

When water diffuses across a selectively permeable membrane, it is called ...

• exocytosis
• osmosis
• facilitated diffusion
• protein transport

The majority of the cell membrane is made of this molecule ...

• phospholipid
• protein
• carbohydrate
• nucleic acid

The lipid molecules that make up the cell membrane have a head that ....

• loves water
• hates water 
• neither loves nor hates water
• loves proteins

The tails of the lipid molecules making up the cell membrane ....

• love water
• hate water 
• don't care about water
• love protein

The process in which a cell can move larger particles out of itself is called 

• endocytosis
• exocytosis
• protein transport
• facilitated diffusion

The "ENERGY" molecule in active transport is ...

• STP
• ATP
• CBS
• ABC

Tags

NGSS.HS-LS1-7

A cell in a beaker contains 95% water and 5% solute while the liquid in the beaker is 94% water and 6% solute. Which way will the water move? 

• From the cell to the beaker
• From the beaker to the cell
• Both into and out of cell (isotonic)
• water will not move!