20 amino acids are in your body's proteins, nine are essential to your diet because your cells cannot manufacture them. They are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan and valine.
Your answer is hydrophilic, The phosphate group is the negatively-charged polar head, which is hydrophilic. The fatty acid chains are the uncharged, nonpolar tails, which are hydrophobic.
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Answer:
Archaea: cells do not contain a nucleus; they have a different cell wall from bacteria. Eukarya: cells do contain a nucleus.
Answer:
answer is that the atmosphere is hot as
