Which of the following statements about the cells of any multicellular organism is true?
almost all of the cells have the exact same dna.
the same genes are expressed in each cell.
each cell has completely different dna.
different genes are expressed in different types of cells.

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth

Someone me with this: a mineral' is determined by its actomic structure.

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.