Does the empirical formula for carbohydrates convey any structural information?

Does the empirical formula for carbohydrates convey any structural information?
 
  a. It may convey structural information for ringed carbohydrates.
  b. No.
  c. It may convey structural information for branching chained carbohydrates.
  d. None of the above.

Question 2

Organisms that undergo asexual reproduction
 
  a. produce offspring that are identical to each other and to the parent.
  b. are usually very complex.
  c. do not require energy to reproduce.
  d. produce offspring that are different from each other.
  e. require another organism to reproduce.