Cell Transport Indv Review #3

An example of facilitated diffusion is

• CO₂ and O₂ exchange in the lungs

• Glucose transport

• Na⁺ / K⁺ Pumps

• Endocytosis

What is a difference between diffusion and facilitated diffusion?

• movement of particles from [high] to [low]

• a protein "helper"

• movement of particles from [low] to [high]

• energy

Facilitated diffusion needs what to get particles from one side of the membrane to the other?

• a membrane-spanning protein

• a surface protein

• a phospholipid

• a carbohydrate

Facilitated diffusion needs what to get particles from one side of the membrane to the other?

• a membrane-spanning protein

• a surface protein

• a phospholipid

• a carbohydrate

The molecule responsible for allowing water to flow across the membrane is:

• Glycolipids
• Glycoproteins
• Aquaporins
• Cholesterol

Active Transport typically uses ______ to transport materials across the cell membrane.

• ATP
• Glucose
• Na+
• K+

The Na/K Pump moves Na & K ions across the membrane at a ratio of ___ Na : ___ K.

• 2:1
• 3:2
• 2:3
• 1:2

A macrophage engulfing and digesting a bacterial cell is an example of:

• Exocytosis
• Endocytosis
• Co-Transport
• Osmosis

Tags

NGSS.MS-LS1-3

Which form of active transport is being shown?

• Facilitated Diffusion
• Exocytosis
• Endocytosis
• Protein Pumps

Tags

NGSS.MS-LS1-2

Which is NOT a form of active transport?

• Endocytosis
• Osmosis
• Exocytosis
• Pinocytosis