The valence electrons of carbon are important because the valence give an element their bonding properties. If Carbon did not have as many, it would not be able to bond four times. or have many of the properties it possess.
The part of the phospholipid bilayer that interacts with water would be the hydrophilic portion consisting of the polar phosphate group. The hydrophobic tails which are the fatty acid chains will not interact with the water present in the aqueous environment.
the following is not a nucleotide is RNA
Explanation is in the file
tinyurl.com/wpazsebu
Answer: Cells have specific jobs they have to do, like for example, reproduction, cells help in the reproduction of organisms. Energy metabolism, some cells help with nutrients and oxygen. Regeneration, if you get a cut or a scrape, some cells help to heal that wound. And information transfer, this is when we get information in our brain.
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