During the Amorican foldings
That is cristae ,not cristal. They are inner foldings
in foldings on the surface of the brain
It is called cristae. There are inner foldings
Inner foldings increase surface area. Inner membrane folds for that
It is called cristae. That is due inner foldings
There are many easy to follow guides on how to make origami foldings. One could read origami magazines or read books about magazines that explain in detail how to make origami.
Foldings increases surface area.So respiration can be done efficiently.
The infoldings of the brain are the sulci, and the outward foldings are the gyri.
The Galtee Mountains in Ireland are mainly composed of Old Red Sandstone, which was formed around 400-350 million years ago during the Devonian period. The folding and uplift of these mountains occurred due to tectonic forces compressing the Earth's crust, resulting in the formation of the Galtee Mountains as we see them today.
Pinocytosis is when cell membranes form in foldings that fill with cellular fluid to bring into the cell. Pinocytosis is a form of endocytosis.
The Jura Mountains and the Zagros Mountains are examples of the fold mountains. The fold mountain is formed as a result of the effects if the folding on layers within the upper part of the crust of the earth.