Carbohydrates, lipids, proteins, and nucleic acids are the four biomolecules critical for the structure and function of living things. Examine some of the common functions of the biomolecules. Which of these is a function of carbohydrates? Choose ALL that apply.

a - stored energy
b - chemical messengers
c - fast cellular energy
d - plant cell wall composition
e - regulation of cell processes

his research revealed two genetically different groups of prokaryotes, which justified splitting kingdom monera into two kingdoms. the genetic and cellular differences were so great, that these two kingdoms were eventually placed into different domains in the current three-domain system.

answer: the blood-brain barrier is a layer of specialized membranes and cell processes designed to keep undesirable substances from passing from the bloodstream into the precious tissues of the brain. while the blood-brain barrier does keep most bad things out of the central nervous system, it is not impermeable.

explanation:

they dont have any evidence