When dna is extracted from e. coli cells and analyzed for base composition, it is found that 42% of the bases are cytosine. that means that there is also 42% of which base?

Guanine

When DNA is extracted from E. coli cells and analyzed for base composition, it is found that 42% of the bases are cytosine. That means that there is also 42% of guanine base.

According to chargaff's rule :

DNA from any cell of all organisms should have a 1:1 ratio (base Pair Rule) of pyrimidine and purine bases and, more specifically, that the amount of guanine is equal to cytosine and the amount of adenine is equal to thymine.

47

explanation:

ok