Microscopes use two systems: The mechanical system and the optical system. Which of the following are not part of the optical system? a. condenser

b. light source

c. revolving nose piece

d. objectives

e. ocular lens

What abo controlling alleles could kim give her child

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.

The transport tubes for food coming down the plants are called?