QUESTION 17 Which of the following best supports the idea that the genetic code is composed of triplet codons? O A. Poly G RNA directs synthesis of poly glycine B. Addition or deletion of one base in a coding region causes an abnormal, defective protein to be produced. OC. Poly U RNA directs synthesis of poly proline. O D. Addition or deletion of three bases in a coding region can result in the production of a protein that s retains normal function. O E. A and C are both correct.

Q: E) Suppose you isolate a mutant mouse that has white eyes. When you examine the size of the eye…

A: The correct mRNA transcript would include all the exons combined together and introns being…

Q: Another name for the RNA polymerase recognition/binding site upstream of a gene is the O a. promoter…

A: Introduction :  In transcription process RNA polymerase binds to the DNA upstream of the gene at a…

Q: Post-transcriptional control of gene regulation: None of the above Can stop gene expression quickly…

A: Proteins are a type of macromolecules that are critical for different varieties of roles in cellular…

Q: Amino acids are covalently attached at site 3'A and A-OH MRNA binds to site ES А. В, С

A: Amino acids are the building blocks of proteins. Amino acids are linked by peptide bonds to form a…

Q: If the DNA gene reads AAT GGT CCA CCG CTG, what will the MRNA read? O A. TTA CCA GGT GGC GAC O B.…

A: DNA is a macromolecule and is composed of nucleotides having sugar , phosphate and nitrogenous bases…

Q: Both conservative and replicative transposition result in movement of the transposon; however, only…

A: Question - Both conservative and replicative transposition result in movement of the transposon;…

Q: Question 4 Which is/are NOT true of protein isofor (A They have variable amino acid B They have…

A: Proteins are composed of amino acids, which are bound together by peptide linkage. Amino acids…

Q: studies both the gene transcription and translation products and its modified form of proteins O…

A: Transcription and translation are part of central dogma which ultimate leads to  production of…

Q: Question 1: The segmentation of eukaryotic genes into exons and introns presents an opportunity for…

A: Splicing occurs during protein synthesis, and involves cutting out and rearranging sections of mRNA.…

Q: Give typed full explanation not a single word hand written otherwise leave it Client weighs 147…

A: A heparin bolus refers to the administration of a relatively large dose of heparin, a medication…

Q: The eukaryotic transcription factor that exhibits a sequence specificity for the TATA box is: A)…

A: Transcription is the first step in the gene expression which transfers the genetic information…

Q: If you were to observe the activity of acetylated DNA, you would expect it to: O be very actively…

A: As DNA is wrapped around the histone proteins;to form a more compact structure inside the…

Q: Question 2 Which example is describing a "missense" mutation? OThe normal amino acid sequence of a…

A: A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is…

Q: During initiation of translation which type of hybrid is formed first?

A: The Central Dogma concept states that DNA makes RNA and RNA makes proteins. The process of formation…

Q: a) b) c) You run away from your home because your parents forced you into medicine. You meet a drug…

A: Introduction :- The organic molecule acetylcholine serves as a neurotransmitter in the bodies and…

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: QUESTION 4 Which type of mutation will affect not only the amino acid encoded by the affected codon,…

A: Frameshift mutation can change every amino acid after the point of mutation . It caused by deletion…

Q: recognition of the AUG initiation codon in an mRNA is TRUE?

A: In eukaryotes and Archaea, the start codon always codes for methionine, while in bacteria,…

Q: Most have well defined 3' ends terminating in poly(A) tails of - 200 nt. A prokaryotic mRNAs B…

A: The 3' ends of RNA transcripts synthesised by RNA polymerase II are produced bynthe endolytic…

Q: Consider the gene that encodes telomerase RNA. Suppose that the sequence of the template strand that…

A: DNA is composed of nucleotides. There are two purine bases - -Adenosine (A), and Guanine (G), and…

Q: QUESTION 39 Histone acetylation leads to which of the following events? Oa. DNA becomes more tightly…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: QUESTION 34 Which of the following is NOT a product of gene expression? O DNA O FRNA protein O MRNA…

A: All the genetic information of an organism is stored in the DNA and RNA molecule. The information…

Q: Some point mutations cause a change in amino acid sequence but nonetheless may have little to no…

A: option f is correct . This is  because each group of amino acid belong to same category means . If…

Q: When MRNAS are edited to become mature mRNA, the nonsense regions that are removed are called and…

A: Ribonucleic acid (RNA) is a significant organic macromolecule that is available in all natural…

Q: Question 9: If the unmutated sequence in this scenario continued, AND contained multiple repeats of…

A: To determine the likelihood of the protein being found in the cytoplasm or associated with the lipid…

Q: Queștion 2: The protein Collagen alpha-1 has 1671 amino acids. How many codons must have been read…

A: Proteins are made up of long sequences of amino acid-building components. The sequence of the amino…

Q: Choose best match of the events that occur during translation with their locations in the E. coli…

A: Translation is the process by which the genetic code on messenger RNA (mRNA) molecules is decoded to…

Q: Question #26 PTP1B, in the lab. You just performed a protein purification and are about to run an…

A: The average molecular weight of an amino acid is 110Da. 300 residue MW. 300x110=33000Da=33kD…

Q: Question 5. What is the effect on a target mRNA when it is silenced by a miRNA that has a complete…

A: Protein synthesis is one complex procedure taken up by the cell and that needs various components to…

Q: Question 40 Which of the following is not a key step in the activation of MRNA synthesis in…

A: Ans- In eukaryotes, mRNA is synthesized in the nucleus during transcription in which the single DNA…

Q: Which one of these mutations would definitely NOT affect the function of the protein coded by the…

A: Mutation is defined as the event where the gene sequence of the DNA is altered giving rise to…

Q: QUESTION 4 Suppose you have a length of DNA sequence that corresponds to a complete mRNA open…

A: Q4. The correct option is D i.e, look for splice sites GT-AG thise should only be present if the DNA…

Q: Question 2. Bacteria are grown in a medium containing 15NH₂Cl for a number of generations so that…

A: The give case in the question belongs to experiment conducted by Meselson and Stahl who demonstrated…

Q: Question 1 Capping a pre-MRNA transcript and adding poly-A tail to its 3' end occurs in A eukaryotic…

A: Poly A tail is added to 3' end of the pre- mRNA once elongation is complete.  The polyA tail…

Q: What would be the effect on the gene product of a particular gene that had two separate mutations in…

A: Gene mutations are of various types such as  Deletion  Insertion  Missense  Non sense  Silent…

Q: Question 30 Which of the following correctly describes a difference between RNA & DNA polymerases?…

A: What is the difference between RNA and DNA polymerase.

Q: You are doing a genetic engineering experiment. You use restrictions enzymes to cut the regulatory…

A: Jacob and Monod (1961) first described the lac operon, which codes for the cellular machinery that…

Q: Question #3: CRISPR has been used to cure an individual from sickle cell. Below is a Sanger…

A: CRISPR/Cas9 technology is used to edits genes by precisely cutting DNA and then letting natural DNA…

Q: QUESTION 20 Which of the following polymerases is found in the nucleolus? O A. DNA polymerase III O…

A: Polymerase enzyme is responsible for the process of polymerizing the monomers into polymers.

Q: QUESTION 22 Ribosomal RNA: O a. none of the above O b. acts only as a structural scaffold O C.…

A: The cell exhibits genetic material in the form of DNA as well as RNA.

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.