What are the characteristics of the cells present in the root apex and shoot apex? Consider the following statements:
$a$. Constantly dividing cells
$b$. Thin, primary cell walls rich in cellulose
$c$. Large, well-developed vacuoles
$d$. Lack of dense cytoplasm
$e$. Large, conspicuous nuclei
Select the correct combination of characteristics.

• A
  $a, b, c$
• B
  $a, b, d$
• C
  $c, d, e$
• D
  $a, b, e$