True, communication most noticeably so. Transport has too
Clastic sedimentary rocks: The word clastic came from “clasts” which means grains. Mainly silicic rocks like sandstone, shale etc. fall under clastic rocks. Organic sedimentary rocks: Sedimentary rockswhich are formed due to biogenic activity/processes or form fromorganic matter are called organic sedimentary rocks.
Since there is a phosphorous, you can straight off know that it's a nucleic acid.
I'd say B.
The answer is Active transport
