Cell Transport: Passive, Active & Osmosis

Cell Transport

How do substances pass across the CM?

Multiple Choice

Regents Check

A function of cell membranes in humans is the

• production of energy

• synthesis of the amino acids

• replication of genetic material

• recognition of certain chemicals

Multiple Select

What type of transport is diffusion?

• Active

• Passive

• Requires energy

• Does not require energy

Multiple Choice

Diffusion of molecules goes

• from high concentration to high concentration

• from low concentration to low concentration

• from high concentration to low concentration

• nowhere- molecules stay put

Multiple Choice

Regents Check

Which activity can occur without the use of

energy?

• active transport of minerals

• protein synthesis in a cell

• movement of water across a membrane

• contraction of muscle tissue

Multiple Choice

Regents Check

Which activity can occur without the use of

energy?

• active transport of minerals

• protein synthesis in a cell

• movement of water across a membrane

• contraction of muscle tissue

Multiple Choice

Regents Check

The concentration of potassium is higher in red

blood cells than in the surrounding blood plasma.

This higher concentration is maintained by the

process of

• circulation

• excretion

• diffusion

• active transport