Chemical mutagens often cause oxidation or deamination of DNA bases. This can lead to cancer by causing: A) Activation of replication. B) Activation of transcription. OC) Non Watson-Crick base pairing. OD) Changes to cytochrome P450 enzymes. E) Activation of translation.

Q: Which of the following sequences is most likely to be recognized and cut by a 6- cutter restriction…

A: Restriction enzyme is an enzyme that cuts DNA into small fragments at specific sites within…

Q: The process shown here is a) Replication b) Splicing c) Translation d) Transcription

A: The Central Dogma theory states that "DNA makes DNA through Replication, DNA makes RNA through…

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: Which of the following point mutations is likely to be the worst for an organism if they happened in…

A: Mutation is a change in genetic sequence or genomic sequence of an organism. This change can be…

Q: Reverse transcriptase does not catalyzea) RNA-dependent DNA synthesisb) RNA degradationc)…

A: Transcriptase is the enzyme which helps in transcription. Transcription is the process to synthesise…

Q: A cytosine is deaminated, forming uracil. Which DNA repair systems is best able to correct this…

A: The objective of the question is to identify the DNA repair system that is best suited to correct…

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: Double-stranded breaks are repaired by: a). direct reversal of DNA damage b). recombinational repair…

A: Ionizing radiation and radio-mimetic compounds induce DNA double-strand breaks (DSBs), but they may…

Q: Select the true statements: A.) It is possible, through genetic engineering, to fuse a fluorescent…

A: Explanation:     -A fluorescent fusion protein can indeed be produced by fusing a fluorescent…

Q: Which of the following terms describes bacteriophage DNA that has become integrated into the host…

A: Microorganisms are the tiny entities that cannot be seen as such through naked eyes. They require…

Q: An anticodon is 5' CGA 3'. The codon that pairs with the anticodon will be a) 3'UGC5' b) 5'GCT3' c)…

A: Transcription: "It is the process through which the enzyme RNA Polymerase transfers information from…

Q: An alien visits Earth and is found to have the same 'genetic code' as humans. However, the alien has…

A: Mutation occurs when there is a change or damage in the DNA in such a way that it alters the genetic…

Q: 5) Which mutation would NOT cause a change in an organism's phenotype?   A) TAT becomes TGT     B)…

A: The amino acids coded are decided by the sequence of the DNA, as the template strand is transcribed…

Q: Which of the following is true of DNA repair?

A: DNA repair is the process by which a cell identifies any damage in the DNA and rectifies it. It is…

Q: Which replication enzyme(s) is/are responsible for synthesizing new DNA components: A) Ligase B)…

A: In molecular biology, the biological method of creating two identical DNA replicas from one initial…

Q: A mutation occurs that changes a codon from UCC to UCA. It turns out that this codon is for an amino…

A: Based on the nature of change that occurs in a codon due to a point mutation (mutation at a single…

Q: t the protein level, mutation resulting in changing one amino acid for ar re DA) Neutral mutations…

A: Mutations are abrupt changes in the DNA sequences which may bring about changes in the amino acid…

Q: What is an open-reading frame? a) An unknown gene b) The protein-encoding sequence of a gene c) A…

A: ORFs are commonly found within genes, which are segments of DNA that contain the instructions for…

Q: If you made a cDNA library from human brain cells and one from human liver cells would the clones in…

A: The term "clone" refers to an organism or a group of genetically identical organisms that are…

Q: Which of the following are shared between RNA polymerase and RNA-dependent RNA polymerases? (select…

A: Ans- a) Uses nucleoside triphosphates to build a polymer. e) uses a single-stranded template b)…

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: Which of the following statements is not applicable to conjugation? A) OF factors are transferrable…

A: Bacteria are single-celled microbes. These organisms are capable of exchanging inheritable material…

Q: Which of the following is most relevant to the term "hybridization"? a) base pairing b) nuclease c)…

A: Hybridization is to combine two substances to make a hybrid. In molecular biology, Hybridization is…

Q: The following DNA sequence is from a bacteriophage that infects a pathogenic bacterium and…

A: Restriction enzymes play a major role in recombinant DNA technology as they can recognise a specific…

Q: A DNA library is aa) A DNA fragment inserted into a vector.b) A general collection of all genes…

A: The cDNA is called the complementary DNA and is synthesized from the single-stranded RNA or mRNA or…

Q: Common vectors used to transfer a piece of DNA into a cloning host are ________. A) artificial…

A: The question given is to identify common vectors used to transfer a piece of a DNA into a cloning…

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: Ribosomes that are translating a mRNA, would release that mRNA when they reach a) an operator b) a…

A: Introduction :- Ribosomes have two primary functions: message decoding and peptide bond synthesis.…

Q: CRISPR-Cas9 is used by bacteria as a type of immune system against invading viruses. In recent…

A: The question is asking about the type of DNA repair system that is most likely responsible for the…

Q: Double-stranded RNA viruses, use the following polymerase for genome synthesis:   A)  viral…

A: Double-stranded RNA (dsRNA) viruses utilize viral RNA-dependent RNA polymerase (RdRP) for genome…

Q: 38) The following treatment(s) control bacterial growth by damaging the DNA structure of bacteria:…

A: Understanding the development and survival of microorganisms is one of the most fundamental aspects…

Q: A neutral mutation is, by definition, a mutation that does not result in the change of the encoded…

A: Neutral mutations are changes that occur in the DNA sequence which are neither beneficial or…

Q: What is the key component(s) of usher syndrome. A) The Effect of mutation and Hot-spots of mutation?…

A: Usher syndrome is a hereditary autosomal disorder passed down through the generations from parent to…

Q: 16) Mutations that occur during the process of DNA replication: Answer: A) almost always lead to…

A: Not all mutation results in genetic disorder. Most of the mutation have no impact on health of a…

Q: The -10 & -35 sequences specify __________ . Question 2 options: A) which strand is the template…

A: Introduction: The synthesis of the RNA molecule (mRNA) from the DNA is known as transcription.

Q: DNA is degraded by DNase. Select the organism that would have the greatest number of organelles…

A: Introduction  A deoxyribonuclease (DNase) is an enzyme that degrades DNA by hydrolytically cleaving…