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

Determine the two different alleles, What is meant by saying that in relati...

What is meant by saying that in relation to a given trait conditioned by a gene with two different alleles the gametes are always "pure"? To say that gametes are pure means tha

What anatomical direction with respect to occipital cortex, The frontal cor...

The frontal cortex is in what anatomical direction with respect to the occipital cortex? a. anterior b. posterior c. sagittal d. inferior

How are glycosidic bonds formed, How are glycosidic bonds formed? The a...

How are glycosidic bonds formed? The anomeric hydroxyl group and a hydroxyl group of another sugar or some other compound can join together, splitting out water to form a glyco

Illustrate the structure of starch granule, The Starch Granule - Structure ...

The Starch Granule - Structure Starch is a polysaccharide, a chain of many glucose molecules. There are two types of glucose chains in starch. One is a simple chain called am

Study of tonana larva, Study of tonana larva Tornaria larva is typical...

Study of tonana larva Tornaria larva is typical in the life-history of hemichordates. Examine the permanent slide and note the following features: I. The tornaria larva usu

What is sarcoplasmic reticulum, An increase in the calcium conductance of a...

An increase in the calcium conductance of all sarcoplasmic reticulum membranes of a skeletal muscle with no external forces on it leads to A. an increase in the amount of calci

Explain about the insulin syringe, Insulin Syringe To administer Insuli...

Insulin Syringe To administer Insulin properly, familiarize yourself with information about insulin: (a) insulin syringes, (b) storage, (c) site selection (d) steps for injecti

Endothermic and exothermic reactions, List out the endothermic and exotherm...

List out the endothermic and exothermic reactions taking place in our body

Explain the scaling from individuals to ecosystems, Explain the Scaling fro...

Explain the Scaling from individuals to Ecosystems? Models that explain how individual organisms acquire energy and materials, and how they use them for survival, growth and re

Bi-parental reproduction, Normal 0 false false false EN...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

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