One of the primary lifestyle risk factors for cancer is

When water freezes, it . contracts expands

Describe the function of the endomembrane system? what organelles are involved?

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.