Mitosis can be broken down into 4 steps. The way to remember what happens during metaphase is "middle"
Chromosomes are visable during metaphase. Where
are the chromosomes visible?
А
Outside the cell
B
The equator of the cell

explanation:

the sequence of amino acids in a protein determines its function. the dna sequence of a gene determines the amino acid sequence of the resulting protein. thus, any changes in dna sequence can result in changes in protein function. this is called a mutation.

bc blah

explanation:

bc blah