Which organelle viewed under a microscope is the largest? a)nucleus b)mitochondria c)endoplasmic reticulum d) vacuole

Sweating and breathing is an example of differentiation specialization maintaining homeostasis metabolism

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

Is there any solid scientific evidence that humans have been cloned?