What is a difference between prokaryotic and eukaryotic cells? a. prokaryotic cells do not have a nucleus, but eukaryotic cells do. b. eukaryotic cells do not have membrane-bound organelles, but prokaryotic cells do. c. prokaryotic cells always have cell walls, but eukaryotic cells do not. d. organisms with eukaryotic cells are always multicellular, but organisms with prokaryotic cells are not.

Nitrofurantoin used during the fifth week of pregnancy places the neonate at risk for which condition?

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

The combining form leuk/o means red true or false