Approximately 32 different monomeric carbohydrate subunits a…

Approximately 32 different monomeric carbohydrate subunits are found in various natural polysaccharides.  Proteins are composed of 20 different amino acids. DNA and RNA are each synthesized from four nucleotides.  Which class of biological polymer has the greatest functional variety?

Glucose diffuses slowly through artificial phospholipid bila…

Glucose diffuses slowly through artificial phospholipid bilayers. The cells lining the small intestine, however, rapidly move large quantities of glucose from the glucose-rich food into their glucose-poor cytoplasm. Using this information, which transport mechanism is most likely functioning in the intestinal cells?