Enzymes split the DNA molecule into two rails and then transport corrisponding nitrogen bases to each rail.
<span>cholestrol is part of sterols / steroids which is one of the 4 classes of lipids
cholestrol characterized with 4 fused carbon rings, like all sterols do
other sterols are sex-trait hormones like testosterone etc.
other lipid groups are fats (glycerol and fatty acids), phospholipids
(phosphate head and faitty acid tails), and waxes (contain alcohol
group) </span>
Chromatin: is a complex made up of genetic material (DNA), wrapped in protein , such as histones,present in the cells of eukaryotes<span>.
</span>Chromatids :before the cell divides, the chromosomes are copied, and each chromosome consists of two segments in the form of bat, the chromatids. Each cromátide corresponds to a copy of one of the 46 strands of DNA in every one of my cells (sperm and eggs).
Chromosomes: are present in cells that are in the process of Division. In place of chromatin, we can observe in the nucleus, small bat-shapedbodies quite stained, easily visible when observed under a microscope<span>.</span>
hope this helps!