Answer:
red blood cells (RBCs) misfolding and convert in sickle shapevfrom the donut with out hole shape.
Limestone is composed largely of the minerals calcite or aragonite. Some limestones do not consist of grains and are formed by the chemical precipitation of calcite or aragonite. This is how limestone can be classified as chemical.
There are so many examples for that in different areas, like biology experiment carried out in our lab recently.
Here's one link:https://www.creative-biogene.com/support/Baculovirus-Efficient-Tool-for-Protein-Expression.html
Answer:
1. GPS The second one is sphere and the 3rd one is Bulge
Explanation: