The phospholipids of plasma membranes contain _____.

The phospholipids of plasma membranes contain _____.
 
  a. a hydrophobic head and a hydrophilic tail
  b. two hydrophobic heads and a hydrophilic tail
  c. a hydrophobic head and two hydrophobic tails
  d. a hydrophilic head and two hydrophobic tails
  e. a hydrophilic head and two hydrophilic tails

Question 2

A molecular analysis of plasma or nuclear membranes would reveal the presence of _____.
 
  a. cellulose and chitin
  b. suberin and cutin
  c. phospholipids and proteins
  d. microtubules and microfilaments
  e. phospholipids and nucleic acids