Endonuclease vs Exonuclease Nucleases are a class of enzyme which hydrolyzes the nucleic acids such as DNA and RNA. They hydrolyze the phosphodiester backbone which connects individual nucleotides in a polynucleotide. There are two broad categories of nucleases depending upon their site and mode of action on the nucleic acid. […]
What is Retinoblastoma? Retinoblastoma or RB is a type of cancer affecting the retina of young individuals. RB occurs in the human population both spontaneously and as a heritable disorder. The genetic reason for the occurrence of RB is associated with a structural aberration of the chromosome. In human, the […]
TMC ACTREC JRF for Ph.D in Life Sciences, Notification, 2016 TATA MEMORIAL CENTRE Advanced Centre for Treatment, Research and Education in Cancer (ACTREC) (A Grant-in-Aid Institution of the Department of Atomic Energy, Government of India) Applications are invited, in the prescribed format, for the award of JUNIOR RESEARCH FELLOWSHIPS (JRF 2016) […]
Majority of the flowering plants are monoecious with male and female reproductive parts are borne on the same flowers or different flowers of same plant. Only about 6% of Angiosperms are dioecious (male and female flowers on separate plants). The studies of sex determination mechanisms in plants were done only […]
What is sex determination? Living organisms, with a very few exceptions, are differentiated into male and female individuals based on their morphological, physiological and behavioral characteristics. Even though the mechanism greatly varies, the sexes of the individuals are genetically determined. The biological system that determines the development of sexual characteristics […]