Transport and Tonicity

Multiple Choice

What are the two other names that you can use for the cell membrane?

• plasma membrane, fluid mosaic model
• plasma membrane, outer layer
• plasma membrane, cell membrane
• plasma membrane, cytoplasm

Multiple Choice

What are the three types of passive transport?

• osmosis, diffusion, active transport
• active transport, facilitated diffusion, osmosis
• diffusion, osmosis, facilitated diffusion
• facilitated diffusion, active transport, diffusion

Multiple Select

Select all correct answers: An example of passive transport is

• Osmosis

• Uptake

• Diffusion

• Pump methods

Multiple Choice

A process that does NOT use cellular energy is know as

• active transport

• passive transport

• metabolic transport

• living transport

Multiple Choice

Cellular transport is regulated by cell membranes. This happens because cell membranes are __________________________.

• impermeable

• fully permeable

• rigid

• selectively permeable

Multiple Choice

In diffusion, materials always move from areas of _____________ concentration, to areas of _____________ concentration.

• low, high

• high, low

• low, low

• high, high

Multiple Choice

What is happening in the picture?

• active transport

• diffusion

• osmosis

• facilitated diffusion

Multiple Choice

Active transport requires cellular energy and moves substances from area of ________________ concentration to ______________ concentration.

• low, low

• low, high

• high, low

• high, high

Multiple Choice

Active transport requires cellular energy and moves substances from area of ________________ concentration to ______________ concentration.

• low, low

• low, high

• high, low

• high, high

Multiple Choice

Cellular energy required for active transport comes directly in the form of _________.

• glucose

• lipids

• ATP

• NADPH

Multiple Choice

The process below is illustrating what?

• passive transport - facilitated diffusion

• Active transport - facilitated diffusion

• passive transport - sodium, potassium ion pump

• active transport - sodium, potassium ion pump

Multiple Choice

Endocytosis is a process of a cell bringing things into the cell. This is a(n) ____________ process.

• active

• passive

• hypotonic

• isotonic

Multiple Choice

Endocytosis and exocytosis both use energy to engulf substances with the cell membrane. However, _____________ brings substances into the cell, while ____________ takes substances out of the cell.

• endocytosis, exocytosis

• exocytosis, endocytosis

• endocytosis, endocytosis

• exocytosis, exocytosis

Multiple Choice

The solution surrounding the cell in Diagram B, would be defined as:

• hypertonic

• hypotonic

• isotonic

Multiple Choice

The solution surrounding the cell in Diagram C, would be defined as

• hypertonic

• isotonic

• hypotonic

Multiple Choice

The cell below is in a _________ solution.

• Hypotonic
• Hypertonic
• Isotonic

Multiple Choice

If the dots represent sugar what direction will the water flow?

• Into the cell

• Out of the cell

• Both equally (equilibrium)

Multiple Choice

What type of solution is this cell in?

• Isotonic
• Hypertonic
• Hypotonic
• diffused

Multiple Choice

What will happen to the cell in the given solution?

• Swell up

• Shrink

• Stay the same

Multiple Choice

What type of solution allows water to enter the plant cell?

• hypotonic solution
• hypertonic solution
• isotonic solution
• active transport

Multiple Choice

Movement of SOLUTE through the cell membrane from high to low concentration is called.....

• diffusion

• active transport

• facilitated diffusion

• osmosis

Multiple Choice

Which molecule is in equilibrium? How can you tell?

• Molecule A; equal amounts inside and outside

• Molecule B; passive movement into the cell

• Molecule C; equal amounts inside and outside

• Molecule C; all molecules are inside the cell

Multiple Choice

In this picture, which way will the water move?

• Water will move into the cell
• Water will move out of the cell
• Water will move in and out of the cell
• Water will not move

Multiple Choice

How does a cell maintain homeostasis?

• Regulates what enters and leaves the cell
• Flexibility
• Protective barrier
• Structure and support

Multiple Choice

The cell membrane is selectively permeable, which means...

• All materials can enter and leave the cell
• Certain things can enter while others cannot
• The cell manually sorts through all materials
• Only certain cells can interact with the cell.