Ascientist determines that there is 25% cytosine in a double standard piece of dna. what can you infer as true

If there’s cytosine there has to be guanine

Ifound this on google “interphase is divided into three phases: g1, s, and g2. the subsequent mitotic (m) phase consists of two processes: mitosis, the process of nuclear division, and cytokinesis, division of the cell's cytoplasm. each mitotic phase results in the formation of two cells that are genetically identical to the parent. for more information go to the web down below cyberbridge.mcb.harvard.edu › mitosis_3i hope this you for what your looking for.can you plz mark me brainliest?

A. mitochondrion b. nucleus