This is a type of protein found in the cell membrane, which regulates the coming and going of substances into or out of the cell.
Membrane Protein
The correct answer is A. You need to have something that starts with grass and ends with the owl. So the vole has to be in the middle.
The mutation resulting in sickle cell disease changes one base pair of DNA so that a codon now codes for a different amino acid, making it an example of a missense mutation. Missense mutation is the mutation characterized with <span>changes in one base pair so that the whole amino acid is changed.</span>
The process is called denaturation.
I hope this helped :)
