Which macromolecule (or polymer) is properly matched with its subunit (or monomer)?

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

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.

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots