When did life appear on earth?, Biology

Assignment Help:

When did life appear on earth?

It is estimated that the life on earth emerged about 3.5 billion years ago, thus 1 billion years after the formation of the planet.

 


Related Discussions:- When did life appear on earth?

Is hemoglobin and myoglobin are heterotetramers, Which of the following sta...

Which of the following statements about hemoglobin and myoglobin structure are true? Select the five true statements. 1. By itself, heme is not a good oxygen carrier. It must be

What is organelles, What is Organelles? Organelles :   Eukaryotic cel...

What is Organelles? Organelles :   Eukaryotic cells contain various membrane-bound structures called organelles, in contrast to prokaryotes, which lack a definite internal or

Cloning of arg3 gene, 1)  You want to clone the arg3 gene, which encodes an...

1)  You want to clone the arg3 gene, which encodes an enzyme in the arginine biosynthetic pathway in Neurospora crassa.  You have available the E. coli plasmid vector shown in part

Conditions associated with increased need for vitamin a, Define Conditions ...

Define Conditions associated with increased need for Vitamin A? Conditions and populations associated with increased need for vitamin A includes young children  particularly  t

What is hipot test ?, Hipot is an abbreviation for high potential. Usually,...

Hipot is an abbreviation for high potential. Usually, Hipot is a term given to a class of electrical safety testing instruments used to confirm electrical insulation in finished ap

What are the results of prosthetic valve endocarditis, What are the Results...

What are the Results of prosthetic valve endocarditis? The hospital mortality for valve replacement for endocarditis varies between 4- 30 per cent. Operative mortality is highe

What is excessive cantilever, Excessive Cantilever Cantilevers in impla...

Excessive Cantilever Cantilevers in implant dentistry are commonly used especially in the mandibular arch for edentulous patients receiving implant supported prosthesis. Cantil

Explain the economic and social burden of heart diseases, Explain the Econo...

Explain the Economic and Social Burden ? Cardio-vascular diseases pose tremendous economic strain on the population and the countries throughout the world. However there is a d

State about heller nitric acid test, State about Heller's Nitric Acid Test ...

State about Heller's Nitric Acid Test Take 1 ml concentrated (fuming) nitric acid in a test tube and add 2 ml of urine by means of a pipette by the side of the test tube and la

Components of ecosystem, An ecosystem consists of two types of components: ...

An ecosystem consists of two types of components: (a)   Abiotic components: This includes the non-living components of the ecosystem. These are physical and chemical fact

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