Multiple choice

A carbohydrate polymer found in sieve plates, pollen tubes and also on injured surfaces is _________.

  1. phellogen

  2. phellem

  3. callus

  4. callose

  5. none of these

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Callose is a carbohydrate polymer found in sieve plates, pollen tubes and also on injured surfaces.