They are the energy needed to do all everyday things
Answer:
The cell membrane
Explanation:
This is the phospholipid bilayer that everything that wants to come into the cell has to move throught. It is also selectively permeable.
The answer to this question would be: Immediately notify the physician because the test result is critically elevated.
Phenylketonuria is a disease that was caused by lack of the enzyme to digest <span>phenylalanine so the metabolic waste can be accumulated. The disease can cause permanent growth reta.rdation to the patient. But early treatment can prevent the damage. That is why the physician should inform the parent immediately.</span>
Answer:
(1)Human cheek cells have a lining of flat and polygonal cells with irregular boundaries,which are arranged edge to edge.As a result,they seem to form a delicate sheet or lining of cells.
(2)They do not have cell wall,plastids and big vacuoles.
C. Alfred Hershey and Martha Chase