Which of the following statements describing riboswitches is false? Group of answer choices They are not found in mammals Binding of the small molecule can induce or repress translation They are structures at the 5' UTR of DNA They work in cis

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: Which of the following statements regarding complementary molecules in transcription is false?

A: Transcription is the process by which the genetic information encoded in the DNA is copied to the…

Q: Which of the following organisms would NOT have introns in their protein-encoding genes? humans…

A: DNA is a genetic material found in different organisms. Genes are the functional units of heredity.…

Q: During charging of tRNAs

A: Answer: tRNA : It is known as transfer-Ribonucleic Acid, which is used in translation of mRNA using…

Q: What type of genetic regulation seems to be the most similar between prokaryotes and eukaryotes?…

A: Genetic regulation is defined as the process of switching genes "ON" and "OFF" to see in a cell's…

Q: After transcription, how is mRNA processed in eukaryotes?  (Choose all that apply) 3' polyA tail is…

A: TRANSCRIPTION It is the formation of mRNA from DNA. The mRNA formed has to undergo various…

Q: Which of the following are responsible for removing introns from RNAS in eukaryotes? Major…

A: RNA splicing : It removes the interrupting, non-coding sequences of the genes (introns) from…

Q: Gene expression is regulated by a combination of_ enhancers and ORI enhancers, repressors and…

A: Note: “Since you have posted multiple questions, we will provide the solution only to the first…

Q: Which of the following is not an example of translational control of MRNA? Localization bicoid mRNA…

A: Translation is the process of synthesis of protein. The ribosomes, tRNA, rRNA are involved in the…

Q: Which type of chemical bond is responsible for RNA-DNA base pairing during reverse transcription?…

A: The DNA and RNA nucleic acids that is composed of nucleotides. The nucleoitides are made up of…

Q: The sequence below is an mRNA strand that is in the cytoplasm ready to translated by a ribosome. If…

A: Translation is the process of formation of a protein chain from a RNA chain. Translation requires an…

Q: In bacteria, what is the role of the Shine-Dalgarno sequence?   Question 3 options:   It binds to…

A: The Shine-Dalgarno sequenceRibosomal binding site in mRNA.It enables initiation of protein synthesis…

Q: Which of the following enzymes is NOT utilized in mRNA degradation? MARK ALL THAT APPLY Primase Poly…

A: Transcription: It is processed to convert DNA into RNA. It is part of the central dogma. It is…

Q: Which of the following is responsible for synthesizing MRNA? O DNA O RNA polymerase O TRNA O None of…

A: The central dogma of life comprises of two main processes, transcription and translation process…

Q: Which of the elements below (either always or typically) have dyad symmetry O repressor binding site…

A: Dyad Symmetry:Dyad symmetry is a type of symmetry found in DNA or RNA sequences, where the sequence…

Q: The fungus Aspergillus giganteus degrades wood using the ribonuclease a-Sarcin. Of the molecules…

A: The ribonuclease α-Sarcin is used by the fungus Aspergillus giganteus to decompose wood. By…

Q: which of the following is mismatched  a- small RNA catalyic with or without proteins  b- rRNA 80% of…

A: RNA is coded from DNA with the help of RNA polymerase enzyme; the process of RNA synthesis is called…

Q: When amino acids are scarce in that bacterial cell, there are tRNAs without carrying lysine gets to…

A: DNA and RNA are the major genetic information carrier in cells. DNA is converted to RNA and RNA is…

Q: RNAi is produced when                Question 26 options:     a single-stranded DNA shares the…

A: RNA interference (also called “RNA-mediated interference”) is a mecha­nism for RNA-guided regulation…

Q: Which of the following is true about heterogeneous nuclear RNA? it is more common in prokaryotes…

A: Ribonucleic acid (RNA) has several types in both eukaryotes and prokaryotes. The RNA can be a…

Q: In bacteria which ribozyme catalyzes synthesis of peptide bonds between amino acids? 16S rRNA 5S…

A: the translation is the process by which the messenger rna is converted into polypeptide .

Q: The following events are those of RNA-directed RNA synthesis in Escherichia coli. Place the events…

A: RNA-directed RNA synthesis is the process by which RNA molecules are synthesized using RNA as a…

Q: which of the following causes transcription to end? RNA polymerase reaches the terminator RNA…

A: Many processes occur within the cell for its normal functioning. They include replication,…

Q: These molecules serve as the set of master instructions for building proteins tRNA DNA Ribosomal…

A: Introduction :  Proteins are complex macromolecules made up of simpler building blocks called amino…

Q: Classify the following functions or structures as being attributed to proteins, RNA, or RNA-protein…

A: A. Proteins -  Poly A polymerase Release factors (RF1 and RF2) Formation (catalysis) of peptide…

Q: a b I loop t-loop D-loop 3º

A: In the diagram a double stranded DNA is shown. Both the DNA stands are anti parallel and are held…

Q: A protein that binds to a ribosome binding site and prevents a ribosome from recognizing a start…

A: Ribosomes are the site for protein synthesis.

Q: Which can be targeted by a drug used to kill bacterial cells?

A: Numerous diseases are caused by pathogens (viruses, bacteria, parasites), therefore drugs designed…

Q: The DNA of prokaryotes differs from that of eukaryotes in that the prokaryotic DNA is…

A: Exposed directly to the cytoplasm of the cell are correct option

Q: In eukaryotes, which of the following statements is correct with regard to introns and exons?…

A: Eukaryotic DNA carries the nonprotein coding sequences.

Q: In order to know which proteins to build for a cell, RNA must locate (choose as many as apply)…

A: Gene expression is a complex process that involve replication, transcription and translation.…

Q: To start translation the ribosome first needs to find the correct end of the transcript. How is that…

A: Translation is the third and final stage of gene expression where the mRNA is read by the adapter…

Q: Which of the following statements best explains why there are many more codons than there are amino…

A: The genetic codon is the sequence of three successive nucleotides present in the mRNA that codes…

Q: Which macromolecule is made by the enzyme reverse transcriptase

A: Option D - cDNA

Q: The diagram below shows a complex conformation of a RNA molecule, with base pairing in region 2. Top…

A: Rna molecules are nucleotide that are highly reactive and unstable. Their structure is although…

Q: In bacterial mRNA, the initiating AUG codon is preceded several nucleotides away by a purine-rich…

A: Translation is the process by which a polypeptide is formed using an mRNA as its template.…

Q: Functional RNAs such as snRNA and tRNA are used in the cell as RNA molecules. These molecules go…

A: Functional RNA refers to a class of RNA molecules that are transcribed from DNA and have specific…

Q: Which of these BEST EXPLAINS genes and messenger RNA.  genes do not make messenger RNAs  messenger…

A: The genes are present in the DNA. The DNA is present in the nucleus of the cell. The genes are the…