12th standard biology (Pdfs for competitive exam)
This section of the notes deals with the important flow charts and tables of 12th standard biology topics.…
This section of the notes deals with the important flow charts and tables of 12th standard biology topics.…
The Helix Loop Helix motif (HLH) is involved in both DNA binding and protein dimerization. The structure of…
The Helix Turn Helix (HTH) motif is present in many prokaryotic and eukaryotic DNA binding proteins. The Helix…
DNA binding motifs- DNA binding proteins such as transcription factors identify and bind a short nucleotide sequence, usually…
Base excision repair vs Nucleotide excision repair is presented step by step. These two repair mechanisms are the…
In mixed noncompetitive inhibition, the binding of the inhibitor with the enzyme influences the binding of substrate with…
The mTOR pathway follows the principles of the PI-3 kinase pathway. mTOR pathway- Introduction: For a multicellular organism…
PI-3 kinase pathway is one of the activated receptor tyrosine kinases (RTKs) also initiate phosphoinositide pathway. PI-3 kinase…
The tryptophan operon in E.coli, required for synthesizing the amino acid tryptophan, is an example of a negatively…
Prophase 1 is the first phase (Substage) of Meiosis 1. This substage has five sequential phases- Leptotene, Zygotene,…