Passive Transport

Which cell organelle is the "gate keeper" of the cell. It decides which molecules move into or out of the cell.

• Mitochondria

• Plasma Membrane

• Nucleus

• DNA

Tags

NGSS.MS-LS1-2

The cell membrane is mostly made of what two biomolecules?

• Lipids and Nucleic Acids

• Carbohydrates and Lipds

• Lipids and Proteins

• Proteins and Nucleic Acids

Tags

NGSS.MS-LS1-2

Passive Transport does NOT require the cell to use energy.

• True

• False

Which answer below is NOT a form of passive transport?

• Osmosis

• Diffusion

• Exocytosis

• Facilitated Diffusion

During passive transport molecules move down the concentration gradient from...

• high concentration to low concentration.

• low concentration to high concentration.

Which type of passive transport requires the use of a transport protein?

• Osmosis

• Diffusion

• Endocytosis

• Facilitated Diffusion

What type of passive transport moves water molecules from high concentration to low concentration.

• Osmosis

• Diffusion

• Facilitated Diffusion

• Endocytosis

During osmosis, when a cell is in a hypotonic solution water will...

• leave the cell

• move into the cell

During osmosis, when a cell is in a hypertonic solution water will...

• enter the cell

• leave the cell

Osmosis is...

• diffusion of salt.

• diffusion of any molecule moving down the concentration gradient.

• diffusion of water.

• diffusion of water and salt.