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..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
This tutorial describes the different types and causes of brain damage. Find out how genetics, physical injury, lack of ..
In this tutorial, the works of Carl Gustav Jung and Sigmund Freud are described. Both of them actively pursued the way h..
Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..
Human consciousness and behavior are an interesting topic since they are determined and controlled by the brain. Conscio..
