Anatomy CH3 Cell Membrane

Movement of water through a semipermeable membrane

• Diffusion

• Active Transport

• Active gradient

• Osmosis

Moving particles from a region of higher concentration to one of lower concentration

• Osmosis

• Active Transport

• Diffusion

• Selective permeability

Solution that has a lower concentration of dissolved substances than the fluid in the cell. Cells take in water and may burst and undergo hemolysis

• Hypertonic

• Hypotonic

• Isotonic

• Filtration

What is the term that means water-loving?

• hydrophilic

• hydrophobic

Which of the following is responsible for acting as a receptor, communication between cells and identifying self vs nonself?

• Lipids

• Fatty acid tails

• Glycoproteins

• Cholesterol

Another name for the cell membrane is the....

• cell wall

• mitochondrial barrier

• phospholipid bilayer

• nuclear membrane

Tags

NGSS.MS-LS1-2

Why do they call the cell membrane semipermeable?

• Because it is selective on what can and can pass through the cell.

• all molecules can pass freely through the cell except for viruses and bacteria

• Because the the cell membrane is only semi-attached to the cell and can move freely

• because its not fully permanent and can always change.

A1

• Phosphate head, Polar

• Phosphate head, non polar

• Protein

• Fatty acid chain, non polar

What is F ?

• Sugar molecule

• Cholesterol

• Phospholipid

• Peripheral protein

What is E. ?

• Protein

• Fatty acid chain

• Phospholipid

• Cholesterol