Microbes, Science

Assignment Help:

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.

 

2055_microbes.png

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. 


Related Discussions:- Microbes

Psychology, how a student nurse can apply the knowledge of mental health an...

how a student nurse can apply the knowledge of mental health and mental hygiene in her personal and professional life

Explain relative location, What is relative location? Relative location...

What is relative location? Relative location is the location of something in relation of another place.

Rrespiratory in man, what are the different respiratory disease in man . gi...

what are the different respiratory disease in man . give their symptoms and cause

How to make a constellarium, How to make a constellarium A constellariu...

How to make a constellarium A constellarium is a simple device used in teaching the shapes of several constellations. Get a cardboard or wood box and remove one end. Draw the s

Methods of preventing or reducing soil erosion, What are the methods of pre...

What are the methods of preventing or reducing soil erosion? The methods of preventing or reducing soil erosion are: (i) Prevention of deforestation (ii) Plantation of tre

Explain cyanosis - histotoxic hypoxia, Explain Cyanosis - histotoxic hypoxi...

Explain Cyanosis - histotoxic hypoxia Cyanosis is a physical sign for causing bluish discoloration of the skin & mucous membranes. Cyanosis is caused by a lack of oxygen in the

Cholestrol, short notes of cholestrol

short notes of cholestrol

Adulteration of food, Adulteration of food: We  live in a society where...

Adulteration of food: We  live in a society where some times foods and even medicines are sold in an adulterated form by mixing it with other materials, which are  neither food

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd