1. If an atom has a diameter of 395 pm,
what is its radius?

Epinephrine is a hormone released from the adrenal gland of the body, most often in a stressful situation. it is known as the "fight-or-flight" hormone. one way that it causes a response in the body is to activate receptors on muscle cells. where are these cellular receptors located? a. on the cell membrane b. in the nucleus c. on the cell wall d. around the mitochondria

Witch type of microscope is used to view very small cell components like proteins and dna?

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?