Spring Break Packet Review Questions 103 - Finish

_____________________________ is a term that describes the passive movement of other substances across a membrane.

• diffusion

• osmosis

Facilitated Diffusion ___________________________ energy

• requires

• does not require

Cells placed in a _______________________ environment will shrink as water leaves the cell.

• hypertonic

• hypotonic

Cells placed in a _______________________ environment will swell up as water enters the cell.

• hypertonic

• hypotonic

What is number 5 in the picture?

• hydrophobic tail

• channel protein

• phospholipid bilayer

• hydrophilic head

What is number 6 in the picture?

• hydrophobic tail

• channel protein

• phospholipid bilayer

• hydrophilic head

What is number 7 in the picture?

• hydrophobic tail

• channel protein

• phospholipid bilayer

• hydrophilic head

What is number 8 in the picture?

• hydrophobic tail

• channel protein

• phospholipid bilayer

• hydrophilic head

Active transport ____________________ energy

• requires

• does not require

In active transport, molecules move from an area of ______ concentration to an area of ______ concentration.

• high / low

• low / high