In DNA, there are four different bases: adenine (A) and guanine (G) are the larger purines. Cytosine (C) and thymine (T) are the smaller pyrimidines. RNA also contains four different bases. Three of these are the same as in DNA: adenine, guanine, and cytosine.
Also know, what are the base pairings in DNA and RNA?
The base pairing of guanine (G) and cytosine (C) is just the same in DNA and RNA. So in RNA the important base pairs are: adenine (A) pairs with uracil (U); guanine (G) pairs with cytosine (C).
Subsequently, question is, where are the bases located in an RNA molecule? The bases are located inside the helix and form the base pairs adenine and thymine or guanine and cytosine, which are linked by hydrogen bonds.
Regarding this, what base is found in RNA but not DNA?
Uracil
Why is RNA unstable?
RNA is susceptible to alkaline hydrolysis because the ribose sugar in RNA has a hydroxyl group at the 2′ position, which makes RNA chemically unstable compared to DNA (DNA has hydrogen at the 2′ position). DNA is stable in alkaline conditions. The RNA base, uracil, lacks this methyl group.
14 Related Question Answers Found
What DNA bases go together?
In DNA Adenine-Thymine and Guanine-Cytosine pair together due to the formation of hydrogen bonds between the two bases.
What is the main job of RNA?
The main function of RNA is to carry information of amino acid sequence from the genes to where proteins are assembled on ribosomes in the cytoplasm. This is done by messenger RNA (mRNA). A single strand of DNA is the blueprint for the mRNA which is transcribed from that DNA strand.
What three things make up a nucleotide?
A nucleotide consists of three things: A nitrogenous base, which can be either adenine, guanine, cytosine, or thymine (in the case of RNA, thymine is replaced by uracil). A five-carbon sugar, called deoxyribose because it is lacking an oxygen group on one of its carbons. One or more phosphate groups.
What is mRNA made of?
Messenger RNA (mRNA) Messenger RNA (mRNA) is a single-stranded RNA molecule that is complementary to one of the DNA strands of a gene. The mRNA is an RNA version of the gene that leaves the cell nucleus and moves to the cytoplasm where proteins are made.
What is the smallest unit of DNA called?
nucleotide
Where is RNA found?
Deoxyribonucleic Acid (DNA) is found mainly in the nucleus of the cell, while Ribonucleic Acid (RNA) is found mainly in the cytoplasm of the cell although it is usually synthesized in the nucleus.
What sugar does RNA contain?
ribose
What is the monomer of RNA?
Just like in DNA, RNA is made of monomers called nucleotides. Each nucleotide is made up of three components: a nitrogenous base, a pentose (five-carbon) sugar called ribose, and a phosphate group.
Which purine base is found in RNA?
The two purine bases in DNA and RNA are named adenine and guanine.
How is RNA different from DNA?
There are two differences that distinguish DNA from RNA: (a) RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose (a type of ribose that lacks one oxygen atom), and (b) RNA has the nucleobase uracil while DNA contains thymine.
How many bases are in Anticodon?
three bases
What is the process of making RNA from DNA?
Transcription. Transcription is the process by which DNA is copied (transcribed) to mRNA, which carries the information needed for protein synthesis. Transcription takes place in two broad steps. First, pre-messenger RNA is formed, with the involvement of RNA polymerase enzymes.
Why is DNA called the blueprint of life?
DNA is called the blueprint of life because it contains the instructions needed for an organism to grow, develop, survive and reproduce. DNA does this by controlling protein synthesis. Proteins do most of the work in cells, and are the basic unit of structure and function in the cells of organisms.
When messenger RNA is being made the RNA base always pairs with which DNA base?
RNA, which contains uracil (U) instead of thymine, carries the code to protein-making sites in the cell. To make RNA, DNA pairs its bases with those of the “free” nucleotides (Figure 2). Messenger RNA (mRNA) then travels to the ribosomes in the cell cytoplasm, where protein synthesis occurs (Figure 3).