Cell Membrane

How does a cell maintain homeostasis?

• Regulates what enters and leaves the cell
• Flexibility
• Protective barrier
• Structure and support

Tags

NGSS.MS-LS1-2

When particles move from areas of high concentration to areas less concentrated, this has taken place.

• diffusion
• mitosis
• endocytosis
• photosynthesis

Tags

NGSS.MS-PS1-4

Diffusion is the movement of molecules from an area of _____ concentration to an ______ concentration

• High, low
• Low, high
• Low, low,
• High, high

An increase in temperature does what to diffusion?

• Speeds it up
• Slows it down
• Has no effect
• I wish i knew. Really I do.

Tags

NGSS.MS-PS1-4

Diffusion & Facilitated Diffusion are both __________ transport.

• Passive

• Active

• Easy

• Free

Passive Transport uses ____ energy

• no

• a lot of

• a little bit of

• some

If the sodium concentration inside a cell is greater than outside the cell, how can a cell take in more sodium?

• osmosis
• diffusion
• active transport
• passive transport

Tags

NGSS.MS-LS1-2

if you put a plant in salt water it will ...

• swell because water diffuses into the cells
• swell because water diffuses out of the cell
• shrivel because water diffuses out of the cell

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-5

Two different solutions are separated by a membrane permeable only to water. How will molecules move?

• solutes will move by dissolving
• water will move by active transport
• solutes will move by osmosis
• water will move by osmosis

The amount of particles in a given space.

• diffusion
• concentration
• permeable
• active transport

Tags

NGSS.HS-PS1-5