Cell Transport

Multiple Choice

The membrane is made of a double layer of _____________ and ______________. 

• phospholipids and nucleic acids

• phospholipids and proteins

• phospholipids and carbohydrates

• phospholipids and monosaccharides

Multiple Choice

____________ is the movement of molecules from an area where there is a higher concentration  of the substance to an area where there is a lower concentration.

• Osmosis

• Equilibrium 

• Diffusion

• Cellular Respiration 

Multiple Choice

The diffusion of water across a membrane because of a difference in concentration is called ___________.

• diffusion

• water movement

• osmosis

• lipid movement

Multiple Choice

In a ____________ solution the cell could shrink.

• hypertonic

• hypotonic

• isotonic

• wa

Multiple Choice

In a(n) __________ solution is a solution in which the amount of dissolved material is equal both inside and outside of the cell.

• hypertonic

• hypotonic 

• isotonic

• osmotic

Multiple Choice

The movement of molecules across a membrane without the input of energy is known as active transport.

• True

• False

Multiple Choice

_____  is the most common source of energy for active transport.

• DNA

• RNA

• Sugar

• ATP