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2021-05-14

How do you find the mRNA sequence of DNA?

How do you find the mRNA sequence of DNA?

In order to determine the gene sequence based off an mRNA template, you can simply do the reverse. You would match up DNA nucleotides with the complementary RNA nucleotides. You can also determine the sequence of the coding strand of DNA by simply changing the RNA U’s into DNA T’s.

What is the mRNA sequence for the template strand DNA sequence?

DNA Coding Strand (Codons) 5′ > > > – – – – – – T T C – – – – – – > > > 3′
Template Strand (Anti-codons) 3′ < < < – – – – – – A A G – – – – – – < < < 5′
mRNA Message (Codons) 5′ > > > – – – – – – U U C – – – – – – > > > 3′
tRNA Tranfer (Anti-codons) 3′ < < < A A G < < < 5′
Protein Amino Acid Amino > > > Phenylalanine > > > Carboxy
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Which mRNA sequence is the complement to the DNA sequence Gatcac?

CUAGUG

What is the sequence of the complementary mRNA Strand?

Complementary bases are: adenine (A) and thymine (T), and cytosine (C) and guanine (G). So if one strand of DNA reads A-C-G-C-T-A, then the complementary strand is T-G-C-G-A-T. You can find the sequence of the mRNA transcript in the same way, by using the complements of the bases shown in the DNA sequence.

What is the sequence of mRNA?

Codons in an mRNA are read during translation, beginning with a start codon and continuing until a stop codon is reached. mRNA codons are read from 5′ to 3′ , and they specify the order of amino acids in a protein from N-terminus (methionine) to C-terminus.

Why are 2 strands of DNA antiparallel?

The nitrogen bases can only pair in a certain way: A pairing with T and C pairing with G. Due to the base pairing, the DNA strands are complementary to each other, run in opposite directions, and are called antiparallel strands.

What is the reverse complement of a DNA sequence?

A DNA sequence contains only the letters A, C, G and T. The reverse complement of a DNA sequence is formed by reversing the letters, interchanging A and T and interchanging C and G. Thus the reverse complement of ACCTGAG is CTCAGGT.

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What is reverse sequence?

The reverse sequence is the sequence of the upper strand in the direction from its 3′- to its 5′-end. The reverse complement sequence is the sequence of the lower strand in the direction of its 5′- to its 3′-end.

What is the complementary of DNA?

All these techniques rely on the complementary nature of nucleic acid bases. When two complementary strands of DNA or RNA are alongside each other, the bases match up with their complement, that is, thymine (or uracil) with adenine, and guanine with cytosine.

How do you write a complementary DNA strand?

The complementary strand for DNA must follow the base pairing and polarity rules. Pairing means that A=T and G=C. Polarity means that the strands have to run in opposite directions. First write the correct base pairing below the original sequence and label the 5′ and 3′ ends.

How is complementary DNA formed?

In genetics, complementary DNA (cDNA) is DNA synthesized from a single-stranded RNA (e.g., messenger RNA (mRNA) or microRNA (miRNA)) template in a reaction catalyzed by the enzyme reverse transcriptase. cDNA is also produced naturally by retroviruses (such as HIV-1, HIV-2, simian immunodeficiency virus, etc.)

How do you count DNA base pairs?

The rules of base pairing (or nucleotide pairing) are:

  1. A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T)
  2. C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G)
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What are the 5 bases of DNA?

Five nucleobases—adenine (A), cytosine (C), guanine (G), thymine (T), and uracil (U)—are called primary or canonical. They function as the fundamental units of the genetic code, with the bases A, G, C, and T being found in DNA while A, G, C, and U are found in RNA.

What is difference between DNA and RNA?

The DNA is a double-stranded molecule that has a long chain of nucleotides. The RNA is a single-stranded molecule which has a shorter chain of nucleotides. DNA replicates on its own, it is self-replicating. RNA does not replicate on its own.