The statement that describes the difference between the 2 isotopes of nitrogen would be the last set.
Nitrogen-14 has 7 electrons, 7 protons, and 7 neutrons
Nitrogen-15 has 7 electrons, 7 protons, and 8 neutrons.
Blood, urine, tissue/skin, saliva, hairs, etc.
D. i belive hope this helps u buddy if not then im sorry....
-Lawrence $.
Answer:
The answer is most likely carbohydrates: building materal abd glucose storage.
Proteins: cell membrane component and signaling moelcule
Nucleic acid: carry genetic material
Lipids: hydrophobic moleculea
It will either have to divide or it will die.
This is because of the surface to volume ratio...as the cell grows, its surface to volume ratio gets smaller. It gets much more difficult to transport nutrients in and waste out.