transmitted light
(Science: microscopy) The usual method for illuminating transparent microscopic specimens. The light is concentrated on the specimen by the substage condenser. Objects appear in outline (refraction images) or coloured on a bright field (colour images).
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
This tutorial deals with the structure and function of flowers, fruits, and seeds. Also included here are the types of f..
Mutations can also influence the phenotype of an organism. This tutorial looks at the effects of chromosomal mutations, ..
Meiosis is a form of cell division that creates gametes. It is comprised of two divisions that in the end, the resulting..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
Part of the genetic information is devoted to the synthesis of proteins. mRNA, a type of RNA, is produced as a transcri..
