Introduction Phenylketonuria (PKU) is an inborn error of metabolism caused by a deficiency of the enzyme phenylalanine hydroxylase (PAH), which READ MORE ………….
Category: Molecular Biology and Applied Genetics
DNA Replication
Introduction DNA replication is the biological process by which a cell makes an identical copy of its DNA before cell READ MORE ………….
Satellite DNA
Introduction Satellite DNA refers to repetitive, non-coding DNA sequences that form distinct “satellite bands” when genomic DNA is separated by READ MORE ………….
Chromosomes
Introduction Chromosomes are thread-like structures present inside the nucleus of every living cell. They are made up of DNA (deoxyribonucleic READ MORE ………….
Topoisomerase
Topoisomerase DNA is not just a straight ladder — in the cell, it’s supercoiled, twisted, and packed tightly. Whenever DNA READ MORE ………….