a) enzymes are used to assemble an insulin gene, which is then attached to bacterial DNA. b) bacterial DNA is cut from a human DNA strand and inserted into a human cell to form an insulin gene. c) the insulin gene is cut out of a human DNA strand using an enzyme and inserted into bacterial DNA, thereby enabling the bacteria to produce a human protein. d) a gene is deleted from bacterial DNA to produce an insulin gene, which is then inserted into human DNA.

Q: The lac operon is an example of ________ control in which the presence of an ________ is required…

A: lac operon is present in E.coli and it produce the enzymes which are required for the lactose…

Q: 1) Which of the following are referred to as retrotransposons? a) VNTRS b) SINES c) LINES d) STRS 2)…

A: As per our honor code, we are authorized to answer only one question at a moment. So, we are…

Q: My Avya mouse is brownish because a) the CpG island with the transposon is unmethylated. b) it was…

A: Epigenetic systems that facilitate gene-environment interactions are involved in the ability of…

Q: a piece of DNA is produced with  1) an enhancer from a gene expressed in the liver, 2) a promoter…

A: Given: A piece of DNA is produced with 1) an enhancer from a gene expressed in the liver, 2) a…

Q: Where does RNA polymerase bind DNA?a) Promoterb) Operatorc) Enhancerd) None

A: The DNA is the genetic material that is passed from one generation to the next generation. It is…

Q: Match each one (they can be repeated): 1) Plasminogen- Plasmin 2) Pro-insulin- Insulin 3) CFTR…

A: Transcription and translation are two crucial mechanisms of all living cells. The enzyme  RNA…

Q: he lac operon contains the genes that the bacterium needs to be able to use lactose as a carbon…

A: An Operon is a unit of structure and function that consists of the clusters of regulatory genes…

Q: Gene expression in bacteria is controlled by the operon model.  a) Why is the operon model…

A: BASIC INFORMATION  OPERON MODEL  This model of gene regulation was put forward by Francis Jacob and…

Q: Centers of transcriptional repression that are usually associated with lamina or found around…

A: Barr bodies are transcriptionally repressed centers meaning that most genes on the inactivated X…

Q: V-max is correctly defined as: a) Km b) The fastest velocity achieved during an enzyme assay,…

A: The enzyme is a class of protein except for ribozymes (class of RNA) increase the rate of the…

Q: All of the following are characteristics of eukaryotic geneexpression excepta) 5' cap is added to…

A: a) 5' cap is added to the mRNA is a characteristic of eukaryotic geneexpressionb) a poly A tail is…

Q: Vitamin C is required for- a) Posttranslational modification b) Synthesis of epinephrine c) Tyrosine…

A: - Vitamin C is also known as ascorbic acid and it acts as reducing agent and scavenger of free…

Q: ) O The bacteriophage can exit the lysogenic state depending on the condition of host c 3) O While…

A: Bacteriophage is a very very small virus that lives on the bacteria. it has two types of cycles the…

Q: If tryptophan is absent from the environment of E.coli, the trp operon will be _______ A) mutated…

A: trp operon It is defined as a group of genes which encode the biosynthetic enzymes for the…

Q: Insulin is a peptide hormone encoded by the INS gene, which is on chromosome 11. Insulin is produced…

A: The hormone insulin is required by the body to reduce the level of blood glucose. The pancreatic…

Q: Polymerase chain reaction is commonly used in the laboratory for a) reverse transcription Ob) DNA…

A: In biological and medical research centers, The polymerase chain reaction (PCR) is a frequent…

Q: The lactose operon is likely to be transcribed when _____. A) there is more glucose in the cell than…

A: The initiation of transcription determines the regulation of prokaryotic genes. The regulation of…

Q: The same DNA sequence may code for more than one polypeptide. Which one of the following is not used…

A: The pre-mRNA undergoes various rounds of processing so that it is ready for translation into a…

Q: Draw the Western Blot that would result from undertaking the same experiment in the presence of: i)…

A: It is technique which is also known as protein immunoblotting technique and is versatile technique…

Q: Which of the following best describes the central dogma of molecular biology? O A) MRNA is…

A: Introduction In molecular biology, a central dogma is an illustration showing the flow of genetic…

Q: Most inherited forms of cancer involve _______________ and these individuals are for the mutation.…

A: Firstly we can examine what each of the terms given represents. 1. Tumor suppressor gene: It is a…

Q: Fetal hemoglobin comprises of αγ sub-units. It has been found that the γ-chain contains serine at…

A: Introduction:- Fetal hemoglobin (HbF) is a prominent type of hemoglobin that is present in the fetus…

Q: The mechanism by which lactose controls the lac of A) O Catabolite repression B) O DNA polymerase C)…

A: Operons are studied to understand the regulation of gene expression. It is studied under the domain…

Q: Site directed mutagenesis facilitated research ona) Carbohydratesb) Proteinsc) Lipidsd) Fats

A: Site-directed mutagenesis is a technique of molecular biology that involves the induction of…

Q: The lac operon in E. coli bacteria codes for proteins that break down (digest) the disaccharide…

A: The lac operon is expressed at its highest levels when there is lactose but no glucose (Option C is…

Q: An operon that encodes enzymes that degrade ampicilin is most likely __________ . A) inducible B)…

A: Option A and B are the answer. An operon that encodes enzymes that degrade ampicilin is most likely…

Q: Which of the following bacterial operon is not controlled by attenuation? a) Histidine b) Leucine c)…

A: The bacterial operon that is not controlled by attenuation is the arabinose operon. Attenuation is a…

Q: Which sequence is most likely to be found in a promoter? a) CGGTGTATATCGTAC b) GTACAGTCATCCCGT c)…

A: Promoter It is a DNA sequence that controls whether a gene is turned on or off. The promoter…

Q: A mutation takes place that switches a codon from ACG to ACA. What type of mutation is this? A)…

A: A mutation is a random change in the DNA sequence.

Q: Insulin dependent diabetes is caused by the degeneration of beta cells due to a _________.a) gene b)…

A: Insulin-dependent diabetes is otherwise known as Type 1 diabetes (T1D). This medical condition is…

Q: Cyclin B and Cdk1 make up MPF which is important to the regulation and initiation of mitosis. a)…

A: Cell cycle The cell cycle is a series of steps where the chromosomes and other cell material…

Q: 3:09 1 < Back Pulse Question 25 (Mandatory) The villi and microvilli are found in the a) liver b)…

A: The two questions have more thorough explanations provided below: Question 25: The small intestine…

Q: Synthesis of new bacteriophages in a bacterial host involves the use of   a.) Host cell encoded…

A: Phages that only infect bacteria are known as bacteriophages. Phage are available in a wide range of…

Q: inducible operon

A: Transcription: The process of copying of a segment of DNA into RNA is known as Transcription. The…

Q: What is the effect of a mutation in the allosteric site of the Lac Repressor protein?

A: Lac operon (often called lactose operon) is an important operon sequence required for the metabolism…

Q: If you were to hybridize a eukaryotic gene to its corresponding mRNA, the two molecules would not…

A: The transcription is the process in which the mRNA copied information from DNA for protein…

Q: Which of the following is a sequence at which a restriction enzyme would cut? A)  5'AAGCAA3' B)…

A: "Restriction enzymes" are enzymatic proteins that bacteria generate in order to protect themselves…

Q: Bacteria are often the preferred hosts for genetic engineering projects by splicing in novel genes…

A: Genetic engineering is the process of modifying the genetic material (DNA or RNA) of an organism to…

Q: Which of the following is not an example of a transversion mutation? a) T·A -&gt; C·G b) G·C -&gt;…

A: The objective of the question is to identify which of the given options is not an example of a…

Q: 1) Assume you have an operon that is repressible. In this case, the rate of synthesis of repressor…

A: An operon is defined as a DNA functioning unit containing a cluster or group of genes under the…

Q: Under which of the following conditions will transcription of the lac operon occur?a) Lactose…

A: Introduction  All the gene expressions are under high regulation and this is necessary to avoid…

Q: Transcription and translation are separate processes in gene expression; however, they have…

A: Central dogma is a process where particular segment of DNA or gene ultimate express as a protein or…

Q: In their studies of Streptococcus pneumoniae, members of Avery's lab demonstrated that bacteria can…

A: Bacterial transformation is the process where a competent bacterial cell picks up foreign DNA from…

Q: the difference in primary structure between related tropomyosin informs arises from a) alternative…

A: The primary structure of proteins means amino acid sequence which is synthesized during the protein…

Q: A section of the mRNA has a nucleotide sequence of CUAAUGGUU. Which of the following would be the t…

A: tRNA is a form of RNA that assists in synthesis of proteins from mRNA.

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.