What is the numeric relation between purine bases, Biology

Assignment Help:

Q. What is the numeric relation between purine and pyrimidine bases in the DNA molecule? Is that relation valid in the RNA molecules?

The DNA molecule is made of two bound polynucleotide chains that to form a helical structure (the double helix). The binding of the two chains is between their nitrogen-containing bases and it always obeys the following rules: a pyrimidine base, and guanine (G), adenine (A), a purine base, binds with thymine (T), a purine base, and binds to cytosine (C), a pyrimidine base. Therefore in one molecule of the DNA there will be the same number of adenine (A) and thymine (T) and same number of cytosine (C) and guanine (G). The quantities of purine and of pyrimidine bases then will also be the same in a 50% proportion for each type. The relation A = T and C = G, or A/T = C/G = 1, is called Chargaff's relation and the pairing rules described above are known as Chargaff's rules.

In the RNA there are not two nucleotide chains. The RNA is a simple chain molecule proportionality of nitrogen-containing bases to form it.


Related Discussions:- What is the numeric relation between purine bases

What is the autophagic intracellular digestion, Q. What is the autophagic i...

Q. What is the autophagic intracellular digestion and why is this type of intracellular digestion intensified in an organism undergoing starvation? Autophagic intracellular dig

Malarial parasites be transmitted from an infected person, By what means ca...

By what means can malarial parasites be transmitted from an infected person to a healthy person?   The malaria parasite is transferred when a healthy person is bitten by a m

What are the stages of mitosis, Q. What are the stages of mitosis? Mito...

Q. What are the stages of mitosis? Mitosis involves replication of DNA and its separation into two new daughter cells. Whereas only four phases of mitosis are often listed. Ent

Essay, Need an essay for my biology class. Need to know if you can do it. ...

Need an essay for my biology class. Need to know if you can do it. Thank you Instructions. Essay Assignment: Experimental Design Now that you have completed several hands-on la

Give the introduction to cardiac rehabilitation, Give the introduction to C...

Give the introduction to Cardiac rehabilitation? Cardiac rehabilitation services are comprehensive, long-term programs involving medical evaluation, prescribed exercise, cardia

Risk analysis - definition of hazard, Risk analysis - Definition of Hazard ...

Risk analysis - Definition of Hazard Hazard   :  A  biological, chemical  or  physical  agent  in or property  of food that might be have an adverse health effect.

Define chlorophyll - natural colourant, Chlorophyll Chlorophyll is the...

Chlorophyll Chlorophyll is the porphyrin most widely used as a natural colourant. Its widespread occurrence in photosynthetic  tissue and its breakdown character have prompted

What is single s2, What is Single S 2 In cyanotic TOF, S, consists enti...

What is Single S 2 In cyanotic TOF, S, consists entirely of A, as P, is attenuated by a deformed pulmonary valve when there is valvar steuosis and aorta is placed anteriorly re

Bronchiectasis, Bronchiectasis: Bronchiectasis literally means abnorma...

Bronchiectasis: Bronchiectasis literally means abnormal dilation of bronchi. It is a chronic  inflammatory condition which is characterised  by permanent dilation of bronchi a

What is lysosomes, What is Lysosomes? Lysosomes :  Animal and fungal ...

What is Lysosomes? Lysosomes :  Animal and fungal cells contain membrane-bound organelles called lysosomes, which are filled with digestive enzymes. These digestive enzyme

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