polyprotein (Science: protein) protein that, after synthesis, is cleaved to produce several functionally distinct polypeptides. Some viruses produce such proteins and some polypeptide hormones seem to be cleaved from a single precursor polyprotein (pro opimelanocortin, for example)...
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..
Planktons are microscopic organisms that live suspended in aquatic habitats. There are two groups: the phytoplanktons an..
Mātauranga Māori is the living knowledge system of the indigenous people of New Zealand, including the relationships t..
This tutorial recognizes the importance of food as a source of energy that will fuel many biological processes. A good d..
Certain species are capable of expressing characteristics indicative of the state of the ecosystem they occupy. They are..
Molecules move within the cell or from one cell to another through different strategies. Transport may be in the form of..
