weal and flare –>
triple response
(Science: immunology) The vascular changes in the skin in response to mild mechanical injury, an outward spreading zone of reddening flare) followed rapidly by a weal (swelling) at the site of injury.
Redness, heat and swelling, three of the cardinal signs of inflammation, are present.
The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..
DNA is a double helix structure comprised of nucleotides. A nucleotide, in turn, is made up of phosphate molecule, deoxy..
Stems primarily provide plants structural support. This tutorial includes lectures on the external form of a woody twig ..
Humans are diploid creatures. This means that for every chromosome in the body, there is another one to match it. Howeve..
Plants produce hormones to regulate their growth. Auxins, for instance, influence plant growth. Know the role of auxin i..
Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select..