How are Marsupials like (kangaroos) different than cats and dogs in fetal development?

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.

20 the compound al(nh3)2 has atoms of nitrogen.

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other