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...
There are more species of insects than any other species combined. This surely illustrates that insects have the selecti..
Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..
Plant cells have plastids essential in photosynthesis. They also have an additional layer called cell wall on their cell..
Explore why New Zealand has such unique flora and fauna, and learn why long periods of geographical isolation. This less..
