Transport proteins (carrier proteins and channel proteins) allow substances into and out of the cell that cannot pass through the phospholipid bilayer (as they’re either to large, charged or not lipid soluble) by facilitated diffusion.
Specifically channel proteins allow ions into and out of the cell by creating a pore in the membrane in which they can move through with their concentration gradient
Answer:
it has both good and bad
Explanation:
Cholesterol is a type of fat in our bodies. It helps us do a lot of things: build cells, digest food, and make hormones.
While cholesterol is needed for our body to function properly, too much of it can be bad. High cholesterol can cause serious problems in our blood, like clots, plus heart and brain issues.
Natural gas is not a fossil fuel
hope it is helpful to you
