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Microbes:
You should know that invisible microbes are present everywhere, because they can surviveeven under very inhospitable conditions. They are all around us, in the air we breathe, in thsoil, in food, ih water used for drinking or bathing and on all the objects we come in contacwith. You will be surprised to know that billions of them live on the skin of our body and inour mouths and intestinal tracts. One third of the dry human faeces is bacteria. However, only some of these micro-organisms cause infectious diseases. There are many others whicare beneficial and their activities are of central importance to the biosphere. Without them life on earth would perish! Long before we even knew of their-existence, we have been taking advantage of their activities, as in the case of making curds, and alcohol or baking cakes and bread. They decompose dead plants and animals, as well as sewage into harmlesbut indispensable chemicals like nitrogen, oxygen and carbon dioxide etc. They can also bused as biological factories to produce antibiotics.
In fact, the famous antibiotic, penicillinwas discovered from a culture of fungus. Certain kinds of bacteria live in human intestinesand provide vitamin B,, and vitamin K. Thus, though some microbes are harmful, athers aof great service to humanity. While the knowledge of gems has grown and some of it is used to save people from disease and death, several countries have used this knowledge fodestruction and warfare. You may have heard the word "geim warfare". These countries have collected deadly gems which can be spread in enemy countries to pollute air or wateor even to destroy crops and forests. Such warfare, obviously, kills people, not just soldierand as such it is internationally prohibited.
Explain Collecting Duct or Tubules - Structures of a Nephron Collecting Duct/Tubules: A long straight portion after the distal tubule is the open end of the nephron. It extends
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Question 1: (a) Define the following under the Fisheries and Marine Act 2007 (i) Basket trap; (ii) Fish product; (iii) Canard net; (iv) Gear; (v) Fishing. (b) What shou
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Explain the Hormones from the Islets of Langerhans The cells which make up the Islets of Langerhans are found in clusters, distributed throughout the substance of the pancreas.
Define Oxytocin Hormone - Posterior Pituitary Oxytocin is a polypeptide containing 9 amino acids. An 'oxytoxic' agent is a substance that causes the gravid uterus (uterus of a
Explain the Hyperpnoea It is a term for an increase in the rate and depth of respiration. The cause of hyperpnoea may be voluntary or due to impulses from the hypothalamus.
biot law mathmatical description
Ask question #Minimum 100 words acceptedYou are caring for a 29-year-old woman who is married with two small children, ages 1 and 3 years, at home. She is recuperating from a left
How soap acts towards fat Prepare another jar with warm water and oil just as you did in the experiment above. This time add about half a cup of either liquid soap or strong so
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