Common questions / 11/08/2020

How do you translate DNA to RNA?

During transcription, the DNA of a gene serves as a template for complementary base-pairing, and an enzyme called RNA polymerase II catalyzes the formation of a pre-mRNA molecule, which is then processed to form mature mRNA (Figure 1).

How is DNA complementary to RNA?

DNA transcription produces a single-stranded RNA molecule that is complementary to one strand of DNA. Like the DNA polymerase that catalyzes DNA replication (discussed in Chapter 5), RNA polymerases catalyze the formation of the phosphodiester bonds that link the nucleotides together to form a linear chain.

How are DNA and RNA complementary strands?

A molecule called DNA polymerase runs the length of each strand, making a complementary copy of each strand. In other words, each strand acts as a blueprint to produce a complementary strand. Because ribonucleic acid (RNA) is made using DNA as the blueprint, the phenomenon of complementary strands also extends to RNA.

What are the base pairing rules for DNA and RNA?

The four bases that make up this code are adenine (A), thymine (T), guanine (G) and cytosine (C). Bases pair off together in a double helix structure, these pairs being A and T, and C and G. RNA doesn’t contain thymine bases, replacing them with uracil bases (U), which pair to adenine1.

What is A complementary strand of DNA example?

Complementary sequence: Nucleic acid sequence of bases that can form a double- stranded structure by matching base pairs. For example, the complementary sequence to C-A-T-G (where each letter stands for one of the bases in DNA) is G-T-A-C.

How do you pair DNA strands?

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

A with T: the purine adenine (A) always pairs with the pyrimidine thymine (T)
C with G: the pyrimidine cytosine (C) always pairs with the purine guanine (G)

How do you transcribe and translate DNA into mRNA?

Step 1: DNA transcription. Take the strand of the provided DNA sequence and transcribe into the messenger RNA by replacing A with U, T with A, G with C and C with G. The resulting mRNA should be complimentary to the DNA. Step 2: DNA translation. tRNA reads the genetic information in mRNA in form of codon.

How to write the complementary strand of DNA?

Practice writing a strand of the complementary strand of dna and completing a strand of messenger RNA. When you have DNA, adenine pairs with thymine, and cytosine pair with guanine. Whenever you have mRNA uracil replaces thymine.

How to transcribe and translate the following DNA sequence?

Transcribe and translate t… An mRNA has the sequence 5… (a) Write the sequence of … You have just sequenced a … Given the following nucleo… What bases in the mRNA tra… The sense strand of a segm… The following DNA sequence… Below is a DNA sequence. E… …and 1,000,000 more!

Which is the template strand used in transcription?

Transcription uses one of the two exposed DNA strands as a template; this strand is called the template strand. The RNA product is complementary to the template strand and is almost identical to the other DNA strand, called the nontemplate (or coding) strand.

Which is the template strand of a DNA molecule?

A DNA molecule is double stranded. One strand of the molecule is the template strand and one is called the coding strand. template: ACACGGCTTAA TGTGCCGAATT coding: The bases will always pair A with T and C with G. When the RNA polymerase transcribes the DNA it reads only the template strand.