What is the sequence of RNA strand?
Specifically, RNA polymerase builds an RNA strand in the 5′ to 3′ direction, adding each new nucleotide to the 3′ end of the strand. RNA polymerase synthesizes an RNA strand complementary to a template DNA strand.
Is the coding strand always 5 to 3?
By convention, the coding strand is the strand used when displaying a DNA sequence. It is presented in the 5′ to 3′ direction.
Which sequence of DNA bases would pair with this strand 3 TAA GGA ATC 5?
Solution : (c) Adenine always pairs with thymine and cytosine always pairs with guanine. Thus, sequence of bases on complementary strand would be TACGTACGT.
Is mRNA the same as the coding strand?
The opposite strand (that is, the strand with a base sequence directly corresponding to the mRNA sequence) is called the coding strand or the mRNA-like strand because the sequence corresponds to the codons that are translated into protein.
What is the base sequence for 3 → 5 Strand?
1. The answer is B. 3′-TGCCAT-5′ A strand of a DNA molecule has a base sequence of 5′-ACGGTA-3′.
What is a sequence of three bases on tRNA called?
anticodon – a sequence of three nucleotides on a tRNA molecule that bond to a complementary sequence on an mRNA molecule. The anticodon sequence determines the amino acid that the tRNA carries.
How do you know if DNA has 5 and 3 ends?
5′ 3′ ends of DNA and RNA – YouTube
What is it called when the DNA strand runs in 3 to 5 direction?
Leading and lagging strands
DNA is made differently on the two strands at a replication fork. One new strand, the leading strand, runs 5′ to 3′ towards the fork and is made continuously. The other, the lagging strand, runs 5′ to 3′ away from the fork and is made in small pieces called Okazaki fragments.
What is the correct tRNA anticodon for the mRNA codon 5 CGA 3?
Which of the following is the correct tRNA anticodon for the mRNA codon 5′ GCA 3′? mRNA binding to tRNA is also complementary and antiparallel. Thus, the complementary sequence to 5′ GCA 3′ is 3′ CGU 5′. Because the answers are presented with the 5′ end on the left, we ‘flip’ the sequence to get 5′ UGC 3′.
How do you transcribe DNA into mRNA?
Decode from DNA to mRNA to tRNA to amino acids – YouTube
How do you write a DNA sequence from mRNA?
DNA utilizes four bases, adenine (A), guanine (G), cytosine (C), and thymine (T), in its code. RNA also uses four bases. However, instead of using ‘T’ as DNA does, it uses uracil (U). Therefore, if your DNA sequence is 3′ T C G T T C A G T 5′, the mRNA sequence would be 5′ A G C A A G U C A 3′.
Why is it called 3 prime and 5 prime?
Each end of DNA molecule has a number. One end is referred to as 5′ (five prime) and the other end is referred to as 3′ (three prime). The 5′ and 3′ designations refer to the number of carbon atom in a deoxyribose sugar molecule to which a phosphate group bonds.
What are 3 prime and 5 prime ends in DNA?
A nucleic acid strand is inherently directional, and the “5 prime end” has a free hydroxyl (or phosphate) on a 5′ carbon and the “3 prime end” has a free hydroxyl (or phosphate) on a 3′ carbon (carbon atoms in the sugar ring are numbered from 1′ to 5′; ).
What is a triplet of 3 bases of mRNA called?
mRNA is composed of bases triplets, represented by a three letter code for a specific amino acid, e.g. AGC = serine. This three letter code is called a codon that is read from the 5′ to the 3′ end. Note that a triplet of the 4 bases allows for 43 = 64 combinations…. plenty for the 20 amino acids.
How many types of tRNA are there?
The majority of cells have 40 to 60 types of tRNAs because most of the 61 sense codons have their own tRNA in the eukaryotic cytosol. The tRNAs, which accept the same amino acid are known as isoaccepting tRNAs. In the human mitochondria, there are only 22 different tRNAs and in plant chloroplasts, about 30.
Why is it called 5 end?
The 5′-end (pronounced “five prime end”) designates the end of the DNA or RNA strand that has the fifth carbon in the sugar-ring of the deoxyribose or ribose at its terminus.
Why is it called 5 prime and 3 prime?
Why is it called 3 and 5 end?
3′ end/5′ end: A nucleic acid strand is inherently directional, and the “5 prime end” has a free hydroxyl (or phosphate) on a 5′ carbon and the “3 prime end” has a free hydroxyl (or phosphate) on a 3′ carbon (carbon atoms in the sugar ring are numbered from 1′ to 5′).
Which amino acid is carried by the tRNA with the anticodon 5 ‘- UCA 3?
The codon AAG codes for the amino acid, lysine. Therefore, the tRNA with the anticodon 5′ CUU 3′ will carry a lysine.
What codon would pair with the anticodon of tRNA 5 ‘- Cau 3 ‘?
The first base of the anticodon in 5′-3′ direction binds with the third base in codon (reading in 5′-3′ direction). Thus, if the base sequence in codon of mRNA is 5′-AUG-3′, the complementary anticodon will be3′-UAC-5′ or 5′-CAU-3′.
How do you translate DNA to RNA?
Transcription & Translation | From DNA to RNA to Protein – YouTube
How do you read a mRNA sequence?
The Genetic Code- how to translate mRNA – YouTube
Does tRNA use U or T?
Note that DNA contains thymine (T) but no uracil (U) and that both mRNA and tRNA contain U and not T.
What is the 3 base sequence in tRNA?
anticodon
A sequence of three consecutive bases in a tRNA molecule which specifically binds to a complementary codon sequence in mRNA is known an anticodon.
Which end is DNA read from?
5′ to 3′ direction
DNA is always read in the 5′ to 3′ direction, and hence you would start reading from the free phosphate and finish at the free hydroxyl group.