2-(hydroxymethyl)-1,3-oxathiolan-5-yl group is a functional group of Emtricitabine. Emtricitabine is an antiviral medicine that treat human immunodeficiency virus (HIV) disease by preventing multiplication in your body. Emtricitabine comprise of organofluorine compound in which 5-fluorocytosine is substituted at the 1st position by a 2-(hydroxymethyl)-1,3-oxathiolan-5-yl group.
pollen grain sticks to the stigma, where the pollen build up a pollen tube to the ovule, after fertilization the ovary then builds up to develop into a fruit, depending of the the type of flower the fruit can be determined
