Principle of Duality (Contd...)
An expression consisting of combinations of binary operations +, . and unary operation and a finite number of elements of a Boolean algebra is called a Boolean function..
Example:
x.y' + x.z + y.z' A Boolean expression can be regarded as a Boolean function since it has a unique value, either 0 or 1. The postulates, theorems or Boolean expressions in Boolean algebra hold good when the operation '+' and '.', the symbols '1' and '0' are interchanged, this is called ..
Lactose Operon
. Such an mRNA transcribed from many genes is described as Polycistronic. The functioning of these cistrons is controlled by a stretch of DNA called operator, located next to the cistron Z. The cistrons synthesize mRNA when the operator switch is turned on and stop the synthesis..
Molecular Basis of Differentiation
All the cells of an organism receive the complete set of genes (total information) present in the fertilized egg through mitotic divisions. However, cells of an early embryo lose the potential for the expression of all the genes through the processes of induction and repression, perhaps by mechanis..
See what our Users say :
This is a great help for my son, who is getting help with all major subjects like math, science and English...
My son likes this website very much, the tutors are well trained to manage lower grade level kids ,It's a Great Website..
I am Jessica from New York, I got excellent English tutors from Tutor Vista, who helped me lot to overcome my grammar mistakes, Thanks a lot...
I got a very good score in GED because of your great tutors, Thank you Tutor Vista - Pam