nicked circle (Science: molecular biology) During extraction of plasmid dNA from the bacterial cell, onestrand of the DNA becomes nicked. This relaxes the torsional strain needed to maintain supercoiling, producing the familiar form of plasmid...
Plants are characterized by having alternation of generations in their life cycles. This tutorial is a review of plant m..
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
There are many environmental factors that arise due to the usage of water in one way or another and for every action tha..
Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population l..
The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..
New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..
