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Explain about the Brownian ratchets and molecular motors ?
How work is carried out by molecules within biological cells is essential to understanding how cells function. A clue like how some molecular motors work was given by Listeria monocytogenes, a bacterium which causes meningitis. Bacteria penetrate host cells by taking benefit of Brownian motion, exchanging chemical for mechanical energy by utilizing the random jostling of molecules. This "Brownian ratchet" works through inserting actin monomers into gaps formed as molecules are jostled throughout polymerization, so harnessing the forces of Brownian motion in just one direction. Identifying how random Brownian motion could lead to directional movement needed complex mathematical models, and equally sophisticated models are required to understand other cell processes operating at such small scales that intuition is not extremely helpful.
Estimate the molar mass of protein? An aqueous solution of the protein bovine serum albumin, containing 2:00 *10 -2 g of protein per cubic centimeter, has an osmotic pressure
disadv of protozoa
What are the main divisions and representing species of the gymnosperms? This group of plants can be divided into conifers (pine, sequoia, cypress), that have flowers known as
are viruses cellular organisms
Absence of vesicular glands In some bulls the vesicular glands are either absent or hypoplastic also sometimes accompanied by poorly developed ampullae. A characteristic sympt
Explain CORONAW ARTERY DISEASE (CAD)? As far as CAD is concerned the people of South Asian region are at a very disadvantageous position. The term 'South Asians' includes perso
Q. What are the ions? What are the two kinds of molecules into which ions are classified ? Ions are substances or atoms electrically charged by means of gain or loss of electron
Advantages of ecological pyramids?
Q. Dietary management during atherosclerosis? Dietary management and the nutrient requirements during atherosclerosis remain the same as for the management of dyslipidemia. Hen
Describe about diagnostic approach for congenital heart disease ? In this section we propose to outline the principles of a diagnostic approach that is applicable to newborns,
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