Why does RNA form A-form helices and not B-form?
Q: UAA is a stop codon. Why does the UAA sequence in the segment of mRNA…
A: Stop codons do not specify any amino acid. When ribosome faces any stop codon, it stalls. When the…
Q: Which amino acid(s) have the most codons? Which amino acid(s) have the fewest codons? Can you think…
A: A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or…
Q: What is a codon and on what kind of nucleic acid is it found?
A: A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or…
Q: what is the c-terminal AA residue? use one-letter code for amino acid
A: The amino acid can be defined as the organic compound that comprises an amino group at one end and a…
Q: Which type of RNA has the least amount of secondary structure? Explain
A: Ribonucleic acid (RNA) is considered an important biological macromolecule present in all cells to…
Q: How many codons are possible for an RNA trinucleotide having an adenine base, a cytosine base, and…
A: Genetic code is a triplet codon that was present on deoxynucleotide [DNA] or ribonucleotide [RNA]…
Q: What is the difference between a charged tRNA and an uncharged tRNA?
A: Answer: Introduction: Transfer RNA (tRNA) is the type of RNA, consist of a small RNA molecule which…
Q: Since among the 64 codons of mRNA 61 codify amino acids that form polypeptide chains what are the…
A: The function of the other codons is stop codon i-e to stop the translation.
Q: Is it reasonable that codons for the same amino acid have one or two nucleotides in common? Why or…
A: Proteins are synthesized via translation of mRNA> The tripeptide sequence on the mRNA that codes…
Q: Why would translation not work if ribosomes could bind only one tRNA at a time?
A: According to the central dogma of the molecular theory, the information stored in the DNA is first…
Q: How does it improve the efficiency of protein synthesis to have several binding sites for tRNA close…
A: Translation is the process by which a protein is synthesized from the information contained in a…
Q: The anticodon 3’-CUG-5’ can base pair with which codon in mRNA?
A: Introduction :- A trinucleotide sequence at one end of a transfer RNA (tRNA) molecule that is…
Q: How many bases make up a codon?
A: The flow of genetic information from DNA to mRNA to proteins is central dogma where the process of…
Q: Given that out of the 64 codons of MRNA, 61 codify amino acids that form polypeptide chains, what…
A: As there are 20 amino acids and 64 possibilities of mRNA codons. There it is expected some amino…
Q: If a tRNA has an anticodon sequence 5'-CAU-3', What would be an amino acid carried by that tRNA?
A: Codon is defined as the the group of three nucleotides that encode an amino acid.
Q: List possible codon sequences for the following amino acids.(a) Val (b) Phe (c) Asn (d) Gly (e) Met
A: Amino acids are coded by trinucleotides sequence is known as the codon. The first two positions in…
Q: What are the three functional parts of the tRNA and what is their importance to translation?
A: Transfer RNA or tRNA generally contains 76-90 nucleotides and acts as a physical link in between…
Q: Three bases (letters) on an MRNA are called and three bases (letters) on a tRNA are called
A: Messenger RNA is a single-stranded RNA molecule. It is formed from the DNA template during the…
Q: How many possible nucleotide sequences could code for a peptide with the sequence "MRRTGERS*"? (Note…
A: The given sequence is 'MRRTGERS*'. The amino acid sequence is…
Q: An anticodon on a TRNA has the sequence 3' UAC 5. What amino acid would it be charged with?
A: The tRNA is the transfer ribonucleic acid and it helps to decode the information present in the mRNA…
Q: Why is RNA so unstable?
A: The cells are the basic structural and fundamental blocks of the living system. it consists of…
Q: What are isoaccepting tRNAs?
A: Transfer ribonucleic acid (tRNA) is required during the translation process for the synthesis of…
Q: According to wobble rules, what codons should be recognized by the follow- ing anticodons? What…
A: Wobble pairing was defined as the base-pairing with two nucleotides that do not follow Watson-Crick…
Q: Given the polypeptide chain below: Alanine - Arginine - Valine - Histidine - Aspartic acid -…
A: Amino acids are organic molecules comprised of two functional groups that are an amino group and the…
Q: What is the significance (or function) of tRNA in protein synthesis? In other words, explain why…
A: transfer RNA or t RNA is a small RNA molecule that participates in the protein synthesis. each t RNA…
Q: In how many cases in the genetic code would it NOT be possible to know the amino acid specified by a…
A: DNA or deoxyribonucleic acid is a double-helical molecule consisting of two polynucleotide chains.…
Q: How many different sequences of mRNA could encode a peptide with the sequence…
A: mRNA is decoded by the cells by reading their nucleotides in groups of three known as codons where…
Q: Why is it essential that tRNA binds to both amino acids & mRNA codon during protein synthesis?
A: Protein synthesis involves translation of mRNA into a protein that requires three complex stages,…
Q: What would the peptide sequence be like after translation?
A: Translation is the process by which polypeptide or protein is produced from the mRNA by the help of…
Q: specific base pairing essential to the processes of transcription and translation?
A: Transcription is the process by which an RNA copy of a gene sequence is created. This copy, known as…
Q: Compare the codons with a pyrimidine, either U or C, as the second base. Do the majority of the…
A: Codons are the trinucleotide sequence of DNA or RNA that codes for specific amino acids. There are…
Q: What are e coli's 3 stop codons?
A: Terminating protein interpretation precisely and productively is basic for both protein devotion and…
Q: Most proteins have more leucine than histidine residues, but more histidine than tryptophan…
A: A genetic code is a set of three nucleotides.
Q: What type of RNA has the shortest lifetime in cells?
A: Ribonucleic acid [RNA] is a mediator that passes the genetic information from Deoxyribonucleic acid…
Q: What is long noncoding RNA?
A: Long non-coding RNAs are a type of RNA, defined as being transcripts with lengths exceeding 200…
Q: Why is RNA structure so unstable? Explain in detail.
A: RNA is generally single stranded. RNA is a polymer of nucleotides. Nucleotides of RNA are composed…
Q: How many cases are there in which it would be possible to identify the first two nucleotides of a…
A: Codon is a three nucuclotide sequence on mRNA that determines the amino acid sequence in newly…
Q: Why don’t cells need one tRNA for each codon?
A: tRNA : Transfer RNA : It is a type of a molecule that helps decode mRNA sequence into protein.…
Q: How does the synthesis of a polypeptide chain come to an end when a stop codon is encountered?
A: The translation is the process, in which the polypeptide is formed from the incorporation of the…
Q: Which translation protein mimics RNA structures and why?
A: Gene expression is defined as the process of conversion of information stored in the DNA to the…
Q: What are the three main types of RNA? What is meant by heterogeneous RNA?
A: RNA stands for ribonucleic acid and it is a type of nucleic acid. Some of its important function…
Q: How does the poly(A) tail affect mRNA stability?
A: The mRNA molecule refers to the messenger RNA molecule, which plays a role in the synthesis of…
Q: What is the name of the process by which amino acids arelinked together in the correct order based…
A: Translation is a process that has “decoding” a messenger RNA (mRNA) that is used to build a…
Q: In the tertiary structure of tRNA, where is the anticodon region relative to the attachment site for…
A: tRNA is the transfer RNA and an adapter molecule made up of RNA serving as the physical link between…
Q: If there are 64 codons, how can there be fewer than 64 tRNA molecules?
A: An adapter molecule made of RNA, generally 76 to 90 nucleotides in length (in eukaryotes), that acts…
- Why does RNA form A-form helices and not B-form?
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Solved in 2 steps
- Why must a polypeptide sequence begin with a designated Start codon?For the m-RNA nucleotide codons given below, what is the corresponding sequence of amino acids? AUG UGU AUA UAU GUA AUC ACC UUC UAU GUA ACA UUU UGG AAC AGC UGC CAU GUA UAC CAG AAA CUU GCA GAG CUG GCU UUG AUA UGA The α-helices are known to contain primarily the amino acids methionine, alanine, leucine, glutamate, and lysine, while β-pleated sheets are known to primarily contain the amino acids tryptophan, tyrosine, phenylalanine, isoleucine, valine, and threonine. Which one of these two types of secondary protein structure is present with this amino acid sequence?List all possible codons present in a ribonucleotide polymer containing U and G in random sequence. Which amino acids are encoded by this RNA?
- How does the synthesis of a polypeptide chain come to an end when a stop codon is encountered?How can the 4 nucleotides present in DNA code for the 20 different amino acids found in proteins? How many bases would be needed in a codon if there were five RNA bases instead of four?Why is RNA so unstable?
- What folding pattern is characterized by single-stranded adenosines that make tertiary contacts with the minor grooves of RNA double helices by hydrogen bonding and van der Waals contact?Since among the 64 codons of mRNA 61 codify amino acids that form polypeptide chains what are the functions of the three remaining codons?Codons in the set CUU, CUC, CUA, and CUG all code for the amino acid leucine. In this set, the first and second bases are identical; the identity of the third base is irrelevant. For what other sets of codons is the third base also irrelevant? For what amino acid(s) does each set code?