What is DNA chemically?

The information in DNA is stored as a code made up of four chemical bases: adenine (A), guanine (G), cytosine (C), and thymine (T). Human DNA consists of about 3 billion bases, and more than 99 percent of those bases are the same in all people.

What is the chemical formula of RNA?

RNA (poly(U))

PubChem CID	439261
Molecular Formula	C27H34N6O22P2
Synonyms	RNA (poly(U)) C00549 CHEBI:8758
Molecular Weight	856.5
Dates	Modify 2022-06-05 Create 2005-06-24

What are the 4 chemical units of DNA?

adenine cytosine guanine and thymine. These are the four chemical building blocks of the DNA molecule. They are componants of nucleic acid, which gives DNA it’s tongue-twisting full name: deoxyribonucleic acid. A, C, G and T.

What are the chemical composition of DNA and RNA?

Both DNA and RNA contain – purine type nitrogenous bases of adenine (abbreviated A) and guanine (G) and pyrimidine type cytosine (C). Apart from that, DNA has a second pyrimidine called thymine (T), whereas RNA has a thymine analogue called uracil (U).

What elements make up DNA?

DNA, which stands for deoxyribonucleic acid, resembles a long, spiraling ladder. It consists of just a few kinds of atoms: carbon, hydrogen, oxygen, nitrogen, and phosphorus. Combinations of these atoms form the sugar-phosphate backbone of the DNA — the sides of the ladder, in other words.

Why is DNA an acid?

The acidity in DNA is derived from the phosphate groups utilized in the formation of RNA and DNA molecules. The easily-lost proton contributes to the acidic nature of nucleic acids.

Do sperm contain RNA?

The RNA population carried by sperm is large and varied. It includes messenger RNA (mRNA; see Glossary), microRNA (miRNA), interference RNA (iRNA), and antisense RNA [5], and a study of human sperm detected more than 4000 different mRNAs alone [6].

Where is Z form DNA found?

Z-DNA is a left-handed helical form of DNA in which the double helix winds to the left in a zigzag pattern. DNA containing alternating purine and pyrimidine repeat tracts have the potential to adopt this non-B structure in vivo under physiological conditions, particularly in actively transcribed regions of the genome.

Who discovered DNA Z?

Alexander Rich
Z-DNA is the first single crystal X-ray structure of a DNA fragment. It was crystallized as a self complementary DNA hexamer d(CG)3 by Andrew Wang, Alexander Rich and their co-workers at MIT in 1979. Whenever B-DNA transforms into Z-DNA two B-Z junctions form.

What is the pH of DNA?

pH 5 to 9
While the exact pH value of DNA is not explicitly reported anywhere, there is substantial evidence to support that the DNA duplex is quite stable at pH 5 to 9. If the pH becomes to acidic or alkaline, DNA molecules are susceptible to DNA melting, depurination and denaturation.