Here's a breakdown:
* DNA (Deoxyribonucleic acid) is the molecule that carries the genetic instructions for building and maintaining an organism. It's like a blueprint for life.
* Genes are specific segments of DNA that contain the instructions for building a particular protein. Each gene holds the code for one protein.
* Proteins are the workhorses of the cell. They perform a wide range of functions, including:
* Building and repairing tissues
* Transporting substances
* Catalysing chemical reactions (enzymes)
* Regulating cell processes
The process of turning a gene into a protein is called protein synthesis and it involves two main steps:
1. Transcription: The DNA sequence of a gene is copied into a messenger RNA (mRNA) molecule.
2. Translation: The mRNA molecule travels to a ribosome, where the genetic code is read and used to assemble amino acids into a protein.
So, in summary, genes are the specific sections of DNA that contain the instructions for building proteins, which are essential for all life processes.
