When a Cannon Fires a Cannonball at a Given Speed

question 18

Multiple Choice

When a cannon fires a cannonball at a given speed, the smaller recoil speed of the cannon is due to different

• A)forces.
• B)times.
• C)masses.
• D)momenta.

Describe how substances cross the plasma membrane.

Explain the concept of membrane potential and its biological significance.

Identify the differences between phospholipids in various environments and organisms.

Describe the mechanisms of transport across the plasma membrane, including osmosis and facilitated diffusion.