5. What are steroids? What
are some examples of steroids
with a biological function?

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
Steroids are based in an angular
combination of four rings, three
of them made of six carbons and one
ring made of five carbons in the
. The union of each ring to the
adjacent ring is made by the sharing of
two adjacent carbons belonging to both
rings.

Bile salts,chole, the sexual
hormones , and
, the corticosteroids and the
pro-vitamin are examples of steroids.