The primary difficulty is the fact that we do not know all of the organisms that currently exist in the world along with those that existed in the past.
Answer:
Explanation:
It is carbon because its used to build macromolecules
Answer:
Enzyme Activity- Responsible reactions Enzyme catalyze nearby substrates
Cell to Cell Recognition- Recognize molecules on surface of the other cells
Cell Signalling- A chemical messenger that binds a membrane protein causing to change shape and relay the message inside a cell.
Transport materials- Provides channels for a certain solutes to pass through membrane
Reticulum is the only one I know of that contain lysosmes.
