Front

What organelle is responsible for homeostasis in the cell?

Back

cell membrane

Front

The cell membrane...

Back

controls what enters and leaves the cell

Front

Which is NOT true about simple diffusion?

• It is a form of passive transport
• This transport is typical for large molecules
• It is how O₂ and CO₂ travel across the membrane
• Molecules travel with the concentration gradient

Back

This transport is typical for large molecules

Front

B is pointing to the:

• polar hydrophilic heads
• nonpolar hydrophobic heads
• polar hydrophilic tails
• nonpolar hydrophobic tails

Back

polar hydrophilic heads

Front

A is pointing to the

Options: polar hydrophilic heads, nonpolar hydrophobic heads, polar hydrophilic tails, nonpolar hydrophobic tails

Back

nonpolar hydrophobic tails

Front

Back

Passive transport is shown

Front

Which side of the membrane has a HIGH concentration?

Back

right

Front

Which side of the membrane has a LOW concentration? Options:

left

,

right

,

top

,

bottom

Back

left

Front

Endocytosis and exocytosis are forms of ______ because they require energy.

Back

active transport

Front

The type of transport that goes against the concentration gradient and requires energy is...

Back

active transport