Prokaryotic and Eukaryotic Chromosomes

Prokaryotic and Eukaryotic Chromosomes

The genome of an organism encompasses all of the genes of that organism. Gene is a distinct sequence of nucleotides forming part of a chromosome, the order of which determines the order of monomers in a polypeptide or nucleic acid … Read more

Nucleus- Definition, Structure, Functions and Diagram

Nucleus- Structure and Functions

Nucleus Definition The cell nucleus​ is a membrane-bound structure that contains the cell’s hereditary information and controls the cell’s growth and reproduction. It is the command center of a eukaryotic cell and is commonly the most prominent organelle in a cell accounting for about … Read more

Chromosome- Structure, Types and Functions

Chromosome- Structure, Types and Functions

In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. Chromosomes were first described by … Read more

Chromosomes- Abnormalities and Disorders

Chromosomes- Abnormalities and Disorders

Chromosomes refer to any of the rod-shaped or threadlike DNA-containing structures of cellular organisms that are located in the nucleus of eukaryotes, are usually ring-shaped in prokaryotes (such as bacteria), and contain all or most of the genes of the … Read more

Yeast Artificial Chromosomes (YACs)

Yeast Artificial Chromosomes (YACs)

Yeast artificial chromosomes (YACs) are genetically engineered chromosomes derived from the DNA of the yeast. It is a human-engineered DNA molecule used to clone DNA sequences in yeast cells. They are the products of a recombinant DNA cloning methodology to isolate … Read more