Cytotoxic
(Science: pharmacology) chemicals that are directly toxic to cells, preventing their reproduction or growth. Cytotoxic agents can, as a side effect, damage healthy, noncancerous tissues or organs which have a high proportion of actively dividing cells, for example, bone marrow, hair follicles. These side effects limit the amount and frequency of drug administration.
Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..
Hormones are essential in the regulation of the activity of the various biological systems of the human body. The ineffi..
The diversification of several new species from a recent ancestral source, each adapted to utilize or occupy a vacant ad..
A still body of water may be disturbed by a variety of factors. One of them is wind. In fact, it is considered as the pr..
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..
