Trace fossil because a trace fossil is a fossil of a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.
/ similiar chromosomes,one from each
parent
Answer:
a cell membrane is made up of 3 main ingredients, that are-
phospholipids, cholesterol and proteins. cell membrane is consists of lipid bilayer, cholesterols and integral and peripheral proteins. among them, lipid is largest portion that cell membrane has.
so, if a drug needs to be uptaken by the cell in a better manner then it has to couple with lipids.<em> </em>By coupling up with the lipids is the easiest and better way to be uptaken by the desired cell.
The Sahel. The Sahel is a region of sub-Saharan Africa and it is also a zone of ecological transition between the Sahara to the north and the wetter savannas to the south. Sahel belt or Sahel is a tropical savanna ecoregion in Africa. Africa is the second largest continent. It has 54 sovereign countries.