Microorganisms are classified as bacteria, fungi, protozoa and algae. Viruses are not explicitly categorized as microorganisms. Give reason.

Abnormal softening of a gland is known as

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.