Stonemasons work with rock, cutting it into shapes to use for building. One stonemason was unloading a new delivery of rocks and noticed that the delivery contained two different types of rock. How could energy have played a role in the different rock types forming?

When explaining dominant and recessive traits to a younger family member, they respond, "well chances are i can probably taste ptc, since dominant traits are more common." how might you address this misconception?

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.