Integral proteins are embedded in the phospholipid layer, and can sometimes form protein channels that let ions and other small molecules through.
Answer: D
Explanation: I Googled it
<em />It's radiocarbon dating because in the previous question it says that she is trying to find the amount of carbon-14 and carbon-12 in the fossil
It helps the concept of decentralization because its the same anywhere , and it if it happened assist centralization then it would taste the bet in one place and it would taste different/bad everywhete else <span />