Sodium vs Potassium. Sodium and Potassium are naturally occurring alkaline metals that show many similarities in their behaviors. Both sodium and potassium ions are essential for all life forms. Both ions are highly reactive and easily dissolve in water which is why both are found more in seawater than on land.
A segment of DNA on a chromosome that controls the production of a  protein is called a gene. Chromosome a cellular structure that  contains DNA.Edit. Share to: JD Heyl.15,441 Contributions. Textbook author, biology researcher. Genetics Supervisor. In Biology. segment of DNA on a chromosome that controls the production of a  protein is called a gene. Chromosome a cellular structure that  contains DNA. Edit. Share to: JD Heyl. 15,441 Contributions. Textbook author, biology researcher. Genetics Supervisor.
DNA is made up of chromosomes and proteins. These chromosomes contain specific codes from your parents genes that come together and determine your characteristics.The genes in DNA that you receive are determined by if there are recessive or dominant. piece of DNA coding for a protein is called a gene. When the protein is produced, we say that the gene is expressed. Now a brain cell and a white cell have the same DNA, but they are very different because during and after their development, they express different genes.