Macromolecules and Transport Review

Another word for lipids is:

• Muscle

• Fat

• Sugar

In a phospholipid bilayer, the polar "heads" are hydrophobic.

• True

• False

Solid particles are engulfed by the cell during a process called:

• Phagocytosis

• Exocytosis

• Endocytosis

• Pinocytosis

What is the purpose of the cell membrane?

• Acts as storage

• Determines what enters and leaves the cell

• Provides energy to the cell

• Site of photosynthesis

The following is an example of a carbohydrate:

• Sugar

• Starch

• Fibre

• All of the above

During active transport, molecules and ions are moved against their concentration gradient.

• True

• False

How many sugar molecules make up a monosaccharide?

• 1

• 2

• 3

• 3+

A large molecule composed of repeating units of smaller molecules is known as a:

• Monomer

• Disaccharide

• Protein

• Polymer

Liquid particles are engulfed by the cell during a process called:

• Endocytosis

• Pinocytosis

• Phagocytosis

• Exocytosis

In facilitated diffusion, the primary direction of substance movement is:

• Toward lower concentration

• Toward higher concentration

• No movement