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Explain Bioluminescence - Ethological Approach in Taxonomy
In those animals which exhibit bioluminescence. The pattern produced by the bioluminescence is used in taxonomy. It has been used, for example, in the identification of sibling species of the fire fly (Photuris).
The study of the frequency, intensity, colour and shape of individual flashes, flash sequences which may be of short or long duration, of constant intensity or may increase or decrease in intensity has made it possible to identify 18 sibling species of Phoiuris instead of just the 3 known before. Since the separation of the species on basis of bioluminescence, other differences have also come to light, in terms or differences in preferred habitat, in the breeding seasons and in body colour.
Why is it significant that exact copies of DNA are produced during replication? Producing exact copies make sure that when a cell divides, the offspring cells will receive the
What is genetic engineering? The Genetic engineering is the use of genetic knowledge to artificially manipulate genes: It is one of the fields of biotechnology.
Explain the Reduction in free radical generation - Vitamin E? 1) Reduction in free radical generation: Vitamin E acts synergistically with selenium thereby reducing susceptibil
Q. What are the physiological systems known as integrative systems? Why is this designation justified? The integrative systems are the endocrine system and the nervous system.
Q. What is scientific value in Biodiversity? Nature is a major source of inspiration for scientific thought and the subject of many scientific studies. Biodiversity which const
Mechanoreceptors - Receptors Mechanoreceptors involve those receptors involved in perception of touch, pressure, tension, hearing, vibration, gravity, muscle tension etc. Th
Q. Is it expected that a change in the primary, in the secondary or in the tertiary structure of a protein will produce furthermore functional consequences? Any change of the p
DISACCHARIDES They are oligosaccharides composed of two monosaccharide residues . Three common disaccharides are sucrose (glucose + fructose) = cane suger maltose
The excretory organs and excretory materials of plants and animals
What is the stage of cellular respiration during which carbon dioxide is liberated? In aerobic cellular respiration the release of carbon dioxide occurs in the transformation o
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