NKS Atoms
Quiz Active
2
3
Which statement describes an atomic nucleus?
An atomic nucleus is negatively charged.
An atomic nucleus has no electrical charge.
An atomic nucleus consists of mostly empty space
An atomic nucleus contains most of the atom's mass.

Which codon is the code for the amino acid histidine (his)?

Cells destroy body cells infected by a virus or bacteria.

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.