Which macromolecules have a basic unit that is composed of phosphate, a sugar ring, and one of five different bases?

Study this image. which statements best describe the rock shown? check all that apply. the grains of this rock are jagged. this rock has several coarse grains. the grains in this rock are very large. this rock has a non-banded pattern. the color of this rock is determined by its texture.

Which list is in order from simplest to most complex? a bacteria - virus - plant - protist b protist - bacteria - virus - plant c virus - bacteria - plant - protist d virus - bacteria - protist - plant

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine