Spray the area with a special, enzyme/bacteria cleaner that removes the urine smell and lifts the stain. An on-going urine smell accompanied by a dark stain on a hardwood floor may require drastic measures. Sand the area down to bare wood removing any finish. ...
Relevance. Rating Newest Oldest. Best Answer: Lipid soluble hormones are usually steroid hormones (have a structure containing a pattern of 6-6-6-5 fused carbon rings). They cross the cell membrane and bind to some receptor in the cytosol, causing it to translocate to the nucleus where it can regulate genetic events.
The most abundant class of lipid molecule found in cell membranes is the phospholipid. The phospholipid molecule's polar head group contains a phosphate group.