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...
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
Viruses possess both living and non-living characteristics. This unique feature distinguishes them from other organisms...
This tutorial investigates perception as two people can interpret the same thing differently. Know more about human perc..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
This tutorial presents Gregor Mendel's law of dominance. Learn more about this form of inheritance and how it can be pre..
