Physical elements at time of origin of life
Specify the physical elements which have contributed to the great amount of the available energy over the primitive earth during the time of origin of life?
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3.5 billion years ago, water cycle was faster than today, resulting in hard storms having the intense electrical discharges. There was also no chemical protection from ozone layer against the ultraviolet radiation. The temperatures within the atmosphere and over the planet surface were very high. Electricity, radiation and the heat constitutes the large available energy sources.
Types of coordination Co-ordination is classified into one of the four types 1) Internal coordination: coordina
Give a short introduction of the term ‘microarrays’. How they are associated to DNA?
Describe the term melanocytes?
In the arthropods why is not gas exchange completed by cutaneous diffusion?
With the availability of computer technology, thousands of research studies relating to management and organizational behavior are conducted all over the globe. The internet, intranet, websites and electronic data collection have considerably facilitated the conduct of research. Theory building a
Describe various sectors in the hotel industry? Why are they significant?
Does pH influence the enzyme activity?
Name the chromosome region where centromere is situated. How chromosomes categorized in relation to the situation of their centromere?
What is meant by the term Immune sera or anti sera? Briefly explain it.
Write down the two big groups into which the cells are categorized?
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