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...
If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..
Seed plants are vascular plants. They differ from the other vascular plants in producing seeds that germinate into a new..
For human species to obviate extinction, reproductive mature adults should be producing viable offspring in order to con..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
The nervous system is essentially a biological information highway. This tutorial gives an overview of the nervous syste..
One of Mendel’s law of inheritance is the “law of dominance”. Read this tutorial to know more about this form of i..
