Lipids

Review Questions

Saturated fats have all of the following characteristics except:

  1. they are solid at room temperature
  2. they have single bonds within the carbon chain
  3. they are usually obtained from animal sources
  4. they tend to dissolve in water easily

Hint:

D

Phospholipids are important components of ________.

  1. the plasma membrane of cells
  2. the ring structure of steroids
  3. the waxy covering on leaves
  4. the double bond in hydrocarbon chains

Hint:

A

Cholesterol is an integral part of plasma membranes. Based on its structure, where is it found in the membrane?

  1. on the extracellular surface
  2. embedded with the phospholipid heads
  3. within the tail bilayer
  4. attached to the intracellular surface

Hint:

C