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: When tryptophan levels are high in E. coli, what conformation does the trp leader mRNA adoptand what…

A: The question is asking about the effect of high tryptophan levels on the conformation of the trp…

Q: Suppose a gain-of-function mutation happens in an oncogene. Which of the following changes is likely…

A: Cancer causing gene is known as oncogenes and its an abnormal active gene which promotes growth of…

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: 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: Which of the following is a mechanism to imprint genes? O A) Methylation of cytosine B)…

A: The epigenetic modifications involves DNA methylation. By this process the expression of genes…

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: 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: 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: TBP stands for?a) TATA box polymeraseb) TATA-box binding proteinc) Transcription associated factord)…

A: TBP is a type of a protein that helps in the process of transcription. Transcription is the process…

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: 4) If 20% of a culture of human cells have a DNA content somewhere between 1&2xs (S-phase= 8 hours)…

A: S phase is synthesis phase during which DNA is replicated when the cell is undergoing mitosis.

Q: A TATA box (core promoter) is ____________. Group of answer choices a) None of the above b)…

A: ANSWER;- a) None of the above Explain;- A TATA box is a sequence of DNA found in the core promoter…

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: I read that vinyl chloride exposure is associated with an increased risk of a rare form of liver…

A: Cancer is the condition of uncontrolled cell division.

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: Regulation of gene expression is necessary because: A) all cells do not need to express all genes…

A: Gene expression is the process by which the instructions in our DNA are converted into a functional…

Q: 13. An investigator is studying epigenetic markers in patients with retinoblastoma. It is most…

A: Retinoblastoma is a form of cancer that develops in the retina of the eye. It is rare and life…

Q: 45) A patient's mother died from an incurable neurological disease. The patient wants to test his…

A: Neurological diseases are a group of disorders that affect the nervous system, which includes the…

Q: The phenotype of a heterozygous mouse (Aa) is agouti.  The agouti banding pattern is due to altered…

A: * Homozygous dominant and Heterozygous will produce agouti that is AA or Aa respectively  and the…

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 is a possible consequence of a mutation that introduces a premature stop…

A: The stop codons are the specific genetic codon that do not codes any amino acids during the…

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: 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: Identify the single most correct choice: a) DNA replication is a non-conservative process. b)…

A: DNA or Deoxyribonucleic acid is the genetic material in most higher organisms. RNA is Ribonucleic…

Q: The lac operon has 4 genes, I, Z, Y and A. For each scenario, tell me the result of the mutation,…

A: The lac operon is an operon or group of genes with a single promoter. The genes in the operon…

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: 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: Researchers use a technique call RNA interference to knock down (i.e. not completely gone) the Bcl-2…

A: RNA is the nucleic acids similar to the DNA and contains uracil instead of the thymine. It plays…

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: When  regulatory protein binds to a mature mRNA in the cytoplasm and prevents it from binding to a…

A: Translational regulation is the mechanism that aims to control the levels of protein synthesis from…

Q: How do repressors reduce transcription of an operon? A) recruit RNA polymerase to promoters B)…

A: Repressors are the proteins that has a negative effect on the expression of gene. These are those…

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: For transcription to occur, the promotor region of DNA will

A: Transcription Transcription is the process of synthesis of mRNA strand from DNA strand. In the…

Q: Retrotransposons _______. A) are found only in animal cells B) use an RNA molecule as an…

A: Introduction A transposon is a sequence of genetic information that moves from one place of the…

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…

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.