Which is a difference between proteins and carbohydrates and fats?
a. proteins are macromolecules; carbohydrates and fats are not.
b. proteins are composed of monomers; carbohydrates and fats are not.
c. carbohydrates and fats contain carbon, hydrogen, and oxygen; proteins do not.
d. excess carbohydrates and fats are stored; excess proteins are not.

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red.b) the pollen grains will be pure blue.c) the pollen grains will have red interiors and blue exteriors.d) the pollen grains will have blue interiors and red exteriors.

What causes the phospholipids to organize themselves the way they do

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.