Q: What happens to the pre-mRNA before it migrates to the cytoplasm? Explain
A: Answer: TRANSCRIPTION : It is the process in central dogma where DNA is transcribed in to RNA by…
Q: Which enzyme removes a phosphate from the 5' end of the MRNA, leaving two phosphates?
A: mRNA is a messenger RNA, it is a single stranded RNA which carries the genetic sequence of the DNA…
Q: What is RNA splicing?
A: RNA is a long chain of ribonucleotides connected together via phosphodiester bonds. It works in gene…
Q: Explain why the translation of a given mRNA can be inhibited by a segment of its complementary…
A: A mechanism of reading and decoding the nucleotide sequences of messenger ribonucleic acid (mRNA)…
Q: What is polycistronic mRNA ?
A: Polycistronic mRNA is a characteristic feature of prokaryotes but they are also present in…
Q: Describe how eukaryotic mRNA is processed
A: The central dogma of molecular biology briefs that DNA has instructions to synthesise proteins which…
Q: What are polycistronic mRNAs?
A: Transcription refers to the process of synthesizing the RNA from the template of DNA…
Q: How does a mRNA molecule carry information from DNA?
A: mRNA is a single stranded rna molecule that is complementary to the DNA strands of a gene. mRNA…
Q: what is it called when an mRNA is edited and where does it happen?
A: Commonly it’s known that mRNA is produced during the process of transcription which will then go for…
Q: How Is the Base Sequence of mRNA Translated into Protein?
A: Translation is a process by which the genetic code contained within a messenger RNA (mRNA) molecule…
Q: How is it possible that a given mRNA in a cell is found throughout the cytoplasm but the protein…
A: Introduction The main crucial elements of the genome are the genes which controls all the cellular…
Q: what is c-abl mRNA
A: An mRNA is the RNA encoded from a stretch of DNA template strand to serve as a template for the…
Q: Which of the following is required for RNA splicing to occur?
A: RNA splicing is the process in which newly made precursor m-RNA is transferred into a mature mRNA.
Q: Where in eukaryotic cells does mRNA synthesis occur? To where do these molecules migrate?
A: Eukaryotic cell: This cell contains the nucleus, lysosomes, endoplasmic reticulum, mitochondria,…
Q: Why may tRNA be considered the “interpreter” of the genetic code?
A: Introduction: RNA is a type of nucleic acid that is a genetic material in some viruses. There are…
Q: What is the mRNA for a Coding Strand of TAT?
A:
Q: What is the peptide encoded by this mRNA sequence 5’-UCU-GCA- AAU-UUA -GUU-3
A: RNA (Ribonucleic acid) polymerase is the major enzyme responsible for the transcription process in…
Q: what three things must happen to the pre-mRNA before it is allowed to exit the nucleus?
A: In most of the prokaryotes as well as the eukaryotes, Deoxyribonucleic acid or DNA is the genetic…
Q: How do cells make a mature mRNA from a gene whose coding sequences are interrupted by introns?
A: During the splicing of an RNA molecule, there are two major parts, one is a coding part, known as…
Q: of mRNA that contains a total of 66 codons. What is the maximum number of amino acids that could be…
A: The formation of mRNA from DNA is called transcription and from mRNA to a protein called…
Q: Name and explain the process by which mRNA is formed.
A: Gene expression is the process by which information which is contained in genes is decoded to…
Q: Define the pre-mRNA & mRNA spliceforms of Cassette exons ?
A: Cassette exon splicing is also known as exon skipping and is the most prevalent form of alternative…
Q: What role does the poly(A) tail play in mRNA function?
A: Polyadenylation is a process in which poly (A) tail is added to the 3' end of the newly synthesized…
Q: Define the role of mRNA localization and translational control ?
A: mRNA Localization (is a multi-step process). The pre-mRNA is bound by RNA binding proteins (blue…
Q: What is antisense RNA? How does it affect the translation of a complementary mRNA?
A: The DNA is replicated via a process called DNA replication. After this process, the DNA enters in…
Q: What Are the Mechanics of mRNA Translation?
A: The process of translation involves protein synthesis from messenger RNA (mRNA).Ribosomes translate…
Q: Assume the following portion of an mRNA. Find a start signal, and writethe amino acid sequence that…
A: The process in which amino acid is incorporated into the polypeptide chain with the help of a…
Q: What is the anticodon that would pair up with the MRNA codon UAG? In What part of the cell is…
A: The central dogma of molecular biology includes replication, transcription and translation. Between…
Q: Which of the following RNAS is the product of transcription?
A: Transcription is the process of making an RNA copy of a gene sequence
Q: After the intron (which is in a lariat configuration) is released during pre-mRNA splicing, a brief…
A: In eukaryotes, the process of transcription and translation takes place in separate compartments.…
Q: If the base sequence of a segment of a molecule of DNA is changed, will the base sequence of the…
A: The genes are segments of DNA that contain hereditary information. Some part of this gene is…
Q: What are the major differences in the synthesis and structure of prokaryotic and eukaryotic mRNAs?
A: 1) Prokaryotic: are a single celluler organism that has a diameter of 0.1–5 μm, they have a…
Q: How many amino acids are coded for by the following mRNA: 5…
A: From the DNA, genetic information is transcribed in the form of codons. These codons reside in the…
Q: What is the cellular structure to which mRNA molecules bind to start the protein synthesis?
A: Protein plays an important role in the structural and functional unit in the body. Proteins are made…
Q: What are the termination of transcription explain briefly?
A: The central dogma of biology explains the flow of information from genes to protein by two…
Q: UGGGCUGGUGCCGAGAAAGUUAGGUAA-3' What is the name of the sixth amino acid in the protein formed from…
A:
Q: why is it important that unprocessed mrna never leaves the nucleus?
A: Transcription is the process by which genetic information present in a DNA sequence is copied into…
Q: What is alternative splicing of pre-mRNAs?
A: When a single pre- mRNA is spliced in more than one way to produce two or more than two mature…
Q: What is an example of a human disease that results from defective RNA processing? What kind of RNA…
A: Genetic diseases are those diseases that are transmitted from parents to offspring. It occurs due to…
Q: What is the difference between mRNA and miRNA?
A: The ribonucleic acid (RNA) plays a role in the hereditary in bacteria and some viruses. RNA is a…
Q: How do sRNAs alter the translation of target mRNAs?
A: Introduction: Small RNAs or sRNAs produced by bacteria are 50-500 long nucleotide sequences that are…
Q: Define the pre-mRNA & mRNA spliceforms of Intron retention ?
A: Pre-mRNA is defined as the first transcript that occurs from a gene that is protein coding in…
Q: What percent of the transcription in a human cell makes protein-coding RNA, and what percent of…
A: The human genome consists of both the regions, which code for proteins and then which do not. The…
Q: Why mRNA is much more variable in its 3-dimensional shape than is DNA? does there is implications of…
A: Introduction DNA and RNA are the main genetic material found in all the species irrespective of…
Q: How does the pre-MRNA transcript in the nucleus of a eukaryotic cell compare to the MRNA found in…
A: How does the pre-mRNA transcript in the nucleus of a eukaryotic cell compare to the mRNA found in…
Q: If methionine is always the first amino acid incorporated into an oligopeptide, what oligopeptide is…
A: Introduction Gene expression can only occur when the Gene is transcribed into mRNA and then this…
Q: Alternative splicing of the same pre-mRNA produces two isoforms.
A: 30) During RNA splicing , the introns are precisely excised and exons are ligated together. However…
Q: Name the process in which unwanted mRNA regions are removed & wanted regions are joined.
A: Transcription is a process in which the DNA template is synthesized into mRNA. At the end of…
Q: What is the first anticodon recruited to an mRNA?
A: A genetic code translates the genetic information encoded within the deoxyribonucleic acid (DNA) or…
What amino acid sequence is coded by the following mRNA base sequence?
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- A polypeptide is digested with trypsin, and the resulting segments are sequenced: Val-Gly Ala-Ala-Gly-Leu-Trp-Arg Arg-Asp-Pro-Gly-Lue-Met-Val-Leu-Tyr-Ala-Ala-Asp-Glu-Lys And the following fragments are produced by chymotrypsin fragmentation: Ala-Ala-Gly-Leu-Trp Arg-Arg-Asp-Pro-Gly-Leu- Met-Val-Leu-Tyr Ala-Ala-Asp-Glu-Lys-Val-Gly What is the sequence of the whole original polypeptide?A polypeptide is digested with trypsin, and the resulting segments are sequenced: Val-Gly Ala-Ala-Gly-Leu-Trp-Arg Arg-Asp-Pro-Gly-Lue-Met-Val-Leu-Tyr-Ala-Ala-Asp-Glu-Lys And the following fragments are produced by chymotrypsin fragmentation: Ala-Ala-Gly-Leu-Trp Arg-Arg-Asp-Pro-Gly-Leu- Met-Val-Leu-Tyr Ala-Ala-Asp-Glu-Lys-Val-Gly What is the sequence of the whole original polypeptide? (Recall that trypsin cleaves a polypeptide backbone at the C-terminal side of Arg or Lys residues, whereas chymotrypsin cleaves after aromatic amino acid residues).Which amino acid sequence will be generated during translation from the following small mRNA: …CCC-AUG-UCU- UCG-UUA-UGA-UUG…? (Hint: Remember where translation starts and stops.) (a) Met-Glu-Arg-Arg-Glu-Leu (b) Met-Ser-Ser-Leu-Leu (c) Pro-Met-Ser-Ser-Leu-Leu (d) Pro-Met-Ser-Ser-Leu (e) Met-Ser-Ser-Leu
- Translate the mRNA into a protein using the genetic code. (Amino acid chain.) AUG( met)-UUU( Phe)-GUA( Val) - CAU (his)-UUG(leu) -UGU(cys)- GGG(gly)- AGU(ser)- CAC (his) - CUG(leu) GUU(Val)- GAG (Glu)-GCG(ala)- UUG(Leu)- UAU(tyr)- UUG (leu)-GUU(Val)- UGU(cys)- GGC(gly)-GAG( Glu)-CGC(arg) - GGC(gly) - UUU(phe) - UUC(phe).What amino acid sequence does the following mRNA nucleotides sequence specify? 5'- AUGGCCAGCUGU -3' Express the sequence of amino axis's using the three-abbreviations, separate hyphens (e.g., Met-Ser-Thr-Lys-Gly).A protein with which of the following sequences may be more prone to undergo farnesylation? (a) Trp-Ala-Ala-Cys (b) Ser-Gly-Gly-Glu (c) Ser-Ala-Ala-Trp (d) Cys-Leu-Leu-Ser
- Amino sequence: Gln-Glu-Val-Leu-Ile-Arg-Leu-Phe-Lys-Gly-His-Pro-Glu-Thr-Leu-Glu-Lys-Phe-Asp-Lys-Phe-Lys-His-Leu-Lys-Ser-Glu-Asp-Glu-Met-Lys-Ala-Ser-Glu-Asp-Leu-Lys A) List the fragments generated with trypsin: B) List the fragments generated with chymotrypsin (5 pts) (assume reaction conditions are used to maximize cutting to the C-terminal size of only the 3 aromatic amino acids.)Which peptide would absorb the most UV light at 280nm? (Can you show work because I mainly want to know how to solve this type of problem. Thank you!)Leu-Trp-Tyr-Ala Tyr-Lys-Tyr-Cys Glu-Tyr-Ile-Arg Ala-Trp-Trp-Ala Thr-Ala-Ile-ThrAmino acids project from each polypeptide backbone in a β-sheet in an alternating fashion (oneabove the plane and the next below the plane – see Fig 3.8B). Consider the following proteinsequence: Leu-Lys-Val-Asp-Ile-Ser-Leu-Arg-Leu-Lys-Ile-Arg-Phe-Glu.a. Is there a pattern to these amino acids? If so, what is it? b. What does this sequence of amino acids mean for the hydrophobicity/hydrophilicity of theresulting β-sheet? c. Can you make a prediction about how the β-sheet will be arranged in higher levels of protein structure? If so, what prediction would you make?
- Given the peptide Val-Ser-Gln-Lys The lateral chain of one of these amino acids can be modified by N-acetylation. Write the semi‐developed form of the lateral chain of this modified amino acid at pH 7 The lateral chain of one of these amino acids can be modified by phosphorylation. Write the semi‐developed form of the lateral chain of this modified amino acid at pH 7.Given the mRNA sequence ,5’-AUGUACAAGGUCGGAUGA-3’ which of the following amino acid sequence would result from translation? Tyr-met-val-lys-gly Met-val-lys-tyr-gly Met-tyr-lys-val-gly Ser-arg-leu-glu-his-val Gly-met-val-lys-tyrFor the following mRNA sequence (reading from left to right) what will be the amino acid sequence following translation? (Use chart provided) AUGCCAGUUGAAUAA A. Pro-Val-Met-Leu-His B. Met-Val-Tyr-Pro C. Met-Pro-Val-Glu D. Correct answer not given E. Met-His-Phe-Ala-Arg