It is DNA.
DNA cannot leave the nucleus of the cell, so your cells create mRNA using the DNA pattern, and mRNA carries the instructions for protein synthesis outside of the nucleus. However, DNA holds the original codes.
They have both DNA and RNA as their genetic material.
First choice.
You can refer to any bio book to simply give you a brief summary for what each organ do and what juices each organ produce to digest what specific typr of material in your food.
