Explain about rna molecules, Biology

Assignment Help:

Explain how early RNA molecules might have been able to respond to natural selection.

Every RNA molecule might have competed with slightly dissimilar RNA molecules for nucleotides. An RNA molecule that was more successful in getting nucleotides would have an advantage, and it would pass that advantage on to the new RNA molecules it formed by replicating.

 


Related Discussions:- Explain about rna molecules

Injury to adrenal cortex, Injury to adrenal cortex is not likely to affect ...

Injury to adrenal cortex is not likely to affect the secretion of which one of the following? 1. Aldosterone 2. Both Androstenedione and Dehydroepiandrosterone 3. Adrenali

Explain disease motion sickness, Motion Sickness  The pathogenesis of m...

Motion Sickness  The pathogenesis of motion sickness is poorly under- stood. The prescription cholinergic blocker scopolamine in a patch or oral formulation can decrease sympto

Theory of embryology - organizer theory, ORGANIZER THEORY - It was p...

ORGANIZER THEORY - It was propounded by spemann (1901). He was given Nobel prize of 1935 for this wrok. He studied the embryonic development of frog, newt & other amph

Define the role of immunoglobin e in food allergy, Define the role of Immun...

Define the role of Immunoglobin E in Food Allergy? Immunoglobin E (IgE) helps to eliminate parasites (helminthes) and is responsible for classic allergic reactions commonly ref

Is calcium-sensing receptors serves as a sensor, Which of the following ser...

Which of the following serves as a sensor, or as part of a sensor, that functions in a positive feedback system? A. CaSRs (Calcium-Sensing Receptors) situated in the plasma mem

Intro to Genetics and Punnett Squares , "Height" is an example of a gene, b...

"Height" is an example of a gene, but "Short" is an example of...

Typical form or reparative regeneration - heteromorphosis, Typical Form or ...

Typical Form or Reparative Regeneration - Heteromorphosis Sometimes the part which grows back is not the same as that which was lost. The phenomenon is called Heteromorphosis.

Etiology and clinical features - neurological disorder, Define Etiology and...

Define Etiology and Clinical Features that causes neurological disorder? The cause of this neurological disorder can be mechanical or paralytic. The mechanical cause is primari

Define altered fat metabolism - nutrition during stress, Define Altered Fat...

Define Altered Fat Metabolism - Nutrition during Stress? Fat is the major fuel oxidized in infected patients. If nutrition support is inadequate, the peripheral fat stores are

Explain clinical stigmata of syndromes in heart disease, Explain Clinical s...

Explain Clinical stigmata of specific syndromes in heart disease? Clinical stigmata of specific syndromes: Evidence of preseilce of chromosoinal anomalies or other syndromes

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