Differential screening
process in development of a multicellular organism by which cells become specialised for particular functions. Requires that there is selective expression of portions of the genome, the fully differentiated state may be preceded by a stage in which the cell is already programmed for differentiation but is not yet expressing the characteristic phenotype determination.
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
It only takes one biological cell to create an organism. A single cell is able to keep itself functional through its 'mi..
This tutorial describes the independent assortment of chromosomes and crossing over as important events in meiosis. Read..
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
This lesson looks at population attributes, regulation, and growth. It also covers population genetics, particularly gen..
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
