regulation d transfer

Nervous Regulation - The heart is regulated to a large extent through the central nervous system. The heart nerve branches from the vagus nerve from the medulla oblongata and the sympathetic nerve fibres from the spinal cord. The vagus nerves are cardiac inhibitory nerves. When ..

Vectorless Gene Transfer - Gene transfer can be effected by certain means that do not use vectors. These include a. Electroporation: Temporary holes are formed in the plasma membrane of the host cell by applying a high voltage. These pores permit entry of foreign DNA. b. Chemica..

1) They are the chief energy storers of the body, which form an important source of energy during starvation or other emergencies. 2) Fats play a role in the absorption of fats soluble vitamins like vitamins A, D, E and K. 3) Steroids like cholesterol which are related to fats are import..

Work is another mode of transference of energy. Work is said to be done if the point of application of force undergoes displacement in the direction of the force. If the system loses energy, we say that the work is done by the system. Alternatively, if the system gains energy, we say tha..

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Wild life management involves protection, preservation and perpetuation of species in their natural habitats. It involves the following approaches: a) Enactment of wild life legislations to regulate hunting. b) Species preservation to protect particular species. Example: Kaziranga sanctua..

a) Carbon dioxide is released back to the environment by respiration of producers and consumers b) Released by the decomposition of organic wastes and dead bodies by the action of bacteria and fungi on decay. c) Burning of wood and fossil fuels add considerable amount of carbon dioxide into the at..

In human beings, sexual reproduction takes place. Sexes are separate and hence they are known to exhibit sexual dimporphism. Males have sex organs called the tetes while the females have sex organs called the ovaries. Even in the external appearance, males and females show differences. Some of the ..

A comprehensive World Conservation Strategy for the judicious use of living resources has been formulated by the scientists of 100 countries. Some of the steps suggested to protect the wild life are: a) Special attention should be given to conserve the species, which fall in the category of endang..

LPG cylinder valve and the knob of the stove must be closed properly when not in use. Open flames, electric/kerosene stoves must not be used near an LPG cylinder. Rubber pipe connecting the cylinder and the stove must be regularly checked for any wear and tear. When a leakage (foul smell..