In DNA , what base pairs with cytosine? adenine guanine cytosine thymine

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

Which chemical equation is unbalanced? which chemical equation is unbalanced

Plz ! what does it mean for an allele to be dominant?