Cell Membrane

what is NOT part of the cell membrane?

• proteins

• carbohydrates

• phospholipids

• nucleic acids

the cell membrane is described as:

• a rigid structure

• a fluid-mosaic model

• a site of protein synthesis

• a container of DNA

diffusion doesn't require energy, so it is ___________ transport

• active

• passive

• forced

• protein

in passive transport, molecules move from ______ to ________ concentration

• high...high

• low...neutral

• neutral...high

• high...low

which type of diffusion involves proteins that help molecules move across the membrane?

• protein diffusion

• facilitated diffusion

• active diffusion

• not diffusion

which type of diffusion involves only the movement of water molecules?

• facilitated diffusion

• active transport

• pinocytosis

• osmosis

which type of transport required energy (ATP)?

• osmosis

• facilitated

• passive

• active

the movement that requires energy moves molecules from _______ to _______ concentrations

• low...high

• neutral...neutral

• high...low

• low...low

one type of active transport that moves materials into the cell

• exocytosis

• osmosis

• endocytosis

• hydrolysis

moving solid particles into the cell (cell eating)

• exosytosis

• pinocytosis

• phagocytosis

• diagnosis