Active Transport

Multiple Choice

What part of the phospholipid is hydrophilic?

• tail
• head
• body
• core

Multiple Choice

What does hydrophobic mean?

• water loving
• water repelling
• water fearing
• water neutral

Multiple Choice

What is Diffusion?

• Particles stay in one place.
• Particles move from low to high.
• Particles move randomly in space.
• Particles move from high to low.

Multiple Choice

What is Osmosis?

• the movement of water against a semi-permeable membrane.
• the transfer of energy between cells.
• the diffusion of gases in a liquid.
• the flow of nutrients through a cell wall.

Win for the day...

We will explore how cells use energy to move materials across the cell membrane.
I Will use the analogy of pushing a boulder uphill to explain what "moving against a concentration gradient"

Multiple Choice

What direction does active transport move?

• In a circle
• To the side
• Against gradient

  (from low to high)

• With gradient

  (from high to low)

Multiple Choice

What is the source of energy that fuels the sodium-potassium pump?

• GTP
• ADP
• ATP
• NADH

Win for the day...

We will explore how cells use energy to move materials across the cell membrane.
I Will use the analogy of pushing a boulder uphill to explain what "moving against a concentration gradient"

Multiple Choice

The process by which a cell engulfs large particles by wrapping its membrane around them is called ___.

• diffusion

• osmosis
• exocytosis
• endocytosis

Multiple Choice

Does exocytosis pull material into or out of the cell?

• Exocytosis brings material in.
• Exocytosis moves material out.

Win for the day...

We will explore how cells use energy to move materials across the cell membrane.
I Will use the analogy of pushing a boulder uphill to explain what "moving against a concentration gradient"