Ared blood cell will shrink in size when placed in a more concentrated salt solution because of the passive process called
a) biosis.
b) endocytosis.
c) mitosis.
d) osmosis.

Osmosis, as water moves from a high water potential to a low water potential through a selectively permeable membrane, so the red blood cell shrinks

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.