active transport across membrane

Multiple Choice

Diffusion is a form of __________ transport.

• Passive

• Easy

• Active

• Free

Multiple Choice

Passive Transport uses ____ energy

• some

• a lot of

• no

• a little bit of

Fill in the Blanks

is the free movement of particles across the membrane with the concentration gradient

Multiple Choice

What is the movement of particles with the concentration gradient using protein "helpers"?

• diffusion

• facilitated diffusion

• active transport

• enzymatic reactions

Multiple Choice

The general name for movement of substances across cell membranes without need of energy input

• passive transport

• active transport

Fill in the Blanks

Osmosis is the movement of

across a membrane.

Multiple Choice

Some cells move large particles out of the cell through the process of:

• Protein Synthesis

• Cytoplasmic Streaming

• Exocytosis

• Endocytosis

Multiple Choice

In this image, the cell is using which type of molecular transport?

• Osmosis

• Diffusion 

• Exocytosis 

• Endocytosis

Fill in the Blanks

The sodium potassium pump is an example of

Multiple Choice

Human red blood cells contain 0.9% sodium chloride as a component of their cytoplasm. What would happen if an IV solution containing 3.5% sodium chloride is introduced into a person? 

• The red blood cell would shrink.

• The red blood cell would get bigger and burst.

• The red blood cell would stay the same size.

• The red blood cell would first loose water and then absorb water.