After some tedious experiments in the late 20th century, scientists have shown evidence that the chemicals and materials found in the cigarette can cause diseases in the long term. In the 1940s and later years, there were increased cases of lung diseases and lung cancer, where it was supposedly a very rare disease.
They changed society's view of smoking after 1960 by showing that smoking causes cancer.
At the bottom of many valleys is fertile soil, which makes excellent farmland
I think the answer is probably A because the population will eventually start to reproduce
C because a lesion is high density
Answer:
Peripheral membrane proteins (select one):
D) are generally noncovalently bound to membrane lipids.
Explanation:
Peripheral membrane proteins are membrane protenis that adhere only temporarily. These don't penetrate deeply into the lipid bilayer, just penetrate the peripheral regions. Also <em>they are bound to either face of the membrane by noncovalent interactions.</em> There are many different categories of peripheral membrane proteins: Membrane-targeting domains; transporters of small hydrophobic molecules
; electron carriers
; Polypeptide hormones, toxins, and antimicrobial peptides; structural domains; enzymes.
