Polycistronic mRNA are common in bacteria but seldom occur in eukaryotes. Describe the key differences in mRNA structure and subsequent translation that support this observation. Answer in 250 words and cover all parts.

Q: Explain the term polycistronic mRNA.

A: An m RNA that can encode for many proteins is known as polycistronic m RNA.. This m RNA is present…

Q: The amino acid sequence of human vasopressin is Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly. Write an mRNA…

A: The given amino acid sequence of human vasopressin is Cys-Tyr-Phe-Gln-Asn-Cys-Pro-Arg-Gly.  3…

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: List and draw out four distinctive features of most eukaryotic mRNAs.

A: DNA and RNA are nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid whereas…

Q: In eukaryotic cells, secreted proteins are initially directed to the endoplasmic reticulum and then…

A: Introduction The secretory pathway refers to the endoplasmic reticulum, Golgi apparatus and the…

Q: An RNA polymer is made by using the enzyme polynucleotide phosphorylase with equal quantities of CTP…

A: Answer : glycine, proline, alanine, arginine,  The possible codons can be  CCG CGC GCC GGC GCG CGG

Q: Explain why the statement is correct. A section of the mRNA has a nucleotide sequence of…

A: mRNA  A single stranded RNA which is copied from DNA and contains gene or information about specific…

Q: The gene ABCD is 1500 bases long.  Answer the following questions:   What would be the likely…

A: Introduction DNA is an organic molecule that includes genetic information as well as instructions…

Q: The set of mRNAs present within a cell changes over time.Explain.

A: The conversion of a liquid into a gas is known as boiling or vaporization. The temperature at which…

Q: Several experiments were conducted to obtain information about how the eukaryotic ribosome…

A: Gene expression is a process by which the genes are turned on to form RNA and proteins. This is seen…

Q: Use the chart below to find the correct amino acids for the following mRNA strand: GCUAUGUUU…

A: The process of producing protein by association of mRNA and ribosomes is called translation. The…

Q: Many uridine molecules are inserted into some mitochondrial mRNAs in trypanosomes. The uridine…

A: Trypanosomes are single-celled parasitic protozoa. This parasite causes sleeping sickness in humans.…

Q: About 98% of the E. coli genome codes for proteins, yet mRNA, the template for protein synthesis,…

A: In order for a gene to be converted into a functional protein, it has to undergo two processes…

Q: You are observing the translation process in a eukaryotic cell that has been exposed to an unknown…

A: Translation is the process by which the genetic information encoded in mRNA is used to synthesize…

Q: The following RNA sequence represents a small messenger which can be translated in a prokaryotic…

A: The first step in translating an RNA sequence into a protein is to divide the sequence into codons,…

Q: Consider the following coding 71 nucleotide DNA template sequence (It does not contain a…

A: In cell protein formed according to the sequence on mRNA. mRNA is formed from DNA sequence by the…

Q: Explain the reason why different parts of the mRNA is represented at different levels in an…

A: Introduction: Alternative splicing, sometimes referred to as differential splicing, is a unique…

Q: The following diagram illustrates a step in the process of translation. Identify the following…

A: Translation process in cells includes the synthesis of proteins that are made up of amino acids.…

Q: Please describe the four-step process of the elongation during protein translation in bacteria.

A: Translation is  the process of formation of proteins from mRNA with the help of ribosomes in the…

Q: About 98% of the E. coli genome codes for proteins, yet mRNA, the template for protein synthesis,…

A: RNA or ribonucleic acid is a polymer of ribonucleotides connected together via a phosphodiester…

Q: For translation, identify two things that happen during each step - initiation, elongation and…

A: Translation is a complex process it is the final formation of protein with the help of m RNA, t RNA…

Q: Explain the function of the Shine-Dalgarno sequence in prokaryotic protein translation. Where is it…

A: The process by which prokaryotic cells, such as bacteria, synthesise proteins based on genetic…

Q: List three molecular changes that take place in the processing of eukaryotic mRNA.

A: Eukaryotic mRNA goes through several changes before translating into protein. This s done to ensure…

Q: How does a eukaryotic ribosome select its start codon? Describe the sequences in eukaryotic mRNAs…

A: The biological mechanism by which messenger RNA is translated into proteins in eukaryotes is known…

Q: Consider the following tRNAs, where the numbered forms represent the amino acids associated with…

A: Transcription is the process  in which mRNA (messenger RNA ) is made from DNA which further…

Q: Use the sequence from the pre-mRNA shown below to answer the following question.…

A: Introduction :  The GU (5' splice site) and AG (3' splice site) recognise splice sites, signalling…

Q: All of the following are needed for capping of eukaryotic mRNA, EXCEPT   Question 27 options:…

A: Eukaryotic mRNA is a single-stranded ribonucleic acid. This is associated with the protein…

Q: List and describe the sequential steps of TRANSLATION in prokaryotic (bacterial) cells. Don’t be too…

A: The process by which mRNA is translated to the amino acid sequence is termed as translation. It…

Q: Name and describe three types of modification that the mRNA undergoes in eukaryotes before the MRNA…

A:

Q: The piece of eukaryotic mRNA below includes the region that codes for the binding site for the…

A: Transfer RNA, or tRNA, plays a crucial role in protein synthesis. It acts as a carrier, delivering…

Q: Below is a diagram of charged tRNAs in the active site of the ribosome during translation of the…

A: Translation is the process of synthesis of protein. It takes place in the cytoplasm.

Q: Which of the following processing events occur during or after the synthesls of MRNA molecules in…

A: Transcription  It is the process of makin copy of RNA from DNA. This RNA is known as messenger RNA

Q: Explain briefly how translation is initiated from a) prokaryotic mRNA and b) eukaryotic mRNA.…

A: The translation is the process of using the genetic information in mRNA to create a protein. In the…

Q: Using what is known about the location of introns, a methylguanosine cap, and a poly-A tail, the…

A: Answer.  In eukaryotes, transcription, and translation take place in different compartments of…

Q: 2a) In prokaryotes, a small ribosomal subunit can potentially get on an mRNA anywhere it can find…

A: The translation is the process of polymerization of amino acids to form polypeptides or protein. It…

Q: Explain the function of spliceosomes in eukaryotic cells. The following sequence represents pre-mRNA…

A: Translation is the process of synthesis of protein from mRNA . So , RNA serves as a template . But ,…

Q: Describe the prokaryotic translation initiation shown in the diagram. Define the convention of…

A: In bacteria initiation factor are required .Initiation factor 3(IF3) prevents 30S subunit binding to…