Which part of an atom has most of its mass?
electrons
neutrons
nucleus
protons

How do cells grow and reproduce to maintain homeostasis?

Identify the terms using the following picture. principle of dominance item 1 can be described as the . item 2 can be described as the . the "p" represents from one parent.

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin