Contains dna control center has a membrane found in eukaryote cells these characteristics describe the of a cell. a) chromosomes b) mitochondria c) nucleus d) ribosomes

Which list shows the levels of organization of an organism in hierarchical order from left to right, from the smallest to the most complex?

Ineed to know why d is the correct answer asap

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