No, protein is not in DNA or RNA, but DNA and RNA code for proteins. The majority of genes carried in a cell's DNA specify the amino acid sequence of proteins; the RNA molecules that are copied from these genes (which ultimately direct the synthesis of proteins) are called messenger RNA (mRNA) molecules.
Here's a breakdown:
- DNA (Deoxyribonucleic acid): DNA is the genetic blueprint of a cell. It contains the instructions for building proteins. Think of it as a recipe book.
- RNA (Ribonucleic acid): RNA is involved in various cellular processes, including carrying the instructions from DNA to the protein-making machinery. Messenger RNA (mRNA), specifically, carries the genetic code from DNA to ribosomes. Think of it as a transcribed recipe ready to be used in the kitchen (ribosome).
- Proteins: Proteins are the workhorses of the cell, carrying out various functions. They are made of amino acids linked together. Think of them as the dish cooked according to the recipe.
Essentially, DNA contains the genetic information, RNA helps to express that information, and proteins are the functional molecules that result. DNA holds the instructions to make proteins, and RNA helps carry out those instructions. Proteins are the products.