Cell Membrane/ Transport 14.2 quiz

This picture shows molecules of red dye that have moved. What is this type of movement called?

• Osmosis; the water molecules are moving from high concentration to low

• Diffusion; the dye molecules are moving from low to high concentration

• Diffusion; the dye molecules are moving from high to low concentration.

• Facilitated diffusion; because the molecules are moving through a protein channel.

This a picture of an animal and plant cell placed in a solution. Describe the solution?

• Isotonic

• Hypotonic

• Hypertonic

This a picture of an animal and plant cell placed in a solution. Describe the solution?

• Isotonic

• Hypotonic

• Hypertonic

What type of solution was this plant placed in?

• hypertonic

• isotonic

• hypotonic

___ is particle movement from an area of lower concentration to an area of higher concentration.

• Active transport

• Passive transport

The cell shrunk in size, which means it was placed in a ____ solution.

• Isotonic

• Hypertonic

• Hypotonic

What part of the cell regulates what can enter and leave the cell?  

• Cell Membrane
• Nucleus
• Mitochondria
• Cytoplasm

All cells have a:

• Nucleus
• Plasma membrane
• Cell wall
• Buddy

What is the diffusion of water only across a cell or semi-permeable membrane?

• Osmosis
• Diffusion
• Active Transport
• Passive Transport

Students are observing particles moving against the concentration gradient in a lab investigation. Which type of transport are they observing?

• osmosis

• active Transport

• facilitated diffusion

• diffusion