A group of squirrels in a forest is an example of ?

Six amino acids have side chains that are polar but not charged. these are serine (ser), threonine (thr), cysteine (cys), asparagine (asn), glutamine (gln), and tyrosine (tyr). these amino acids are usually found at the surface of proteins, as discussed in the proteins 2 module.

Lipid because of the high percentage of carbon to carbon bonds, which store more energy than other bonds.