When dna is methylated, which of the following is an associated characteristed? (select the best answer) methylated cytosines inactive genes active genes both a & b both a & c

Q: Which of the following is/are true about Okazaki fragments? 1. Okazaki fragments are found in the…

A: Asked : Given statements regarding Okazaki fragment are true or not.

Q: Which of the following enzymes relaxes the DNA double helix to avoid tensional force from…

A: DNA ligase:- DNA ligase works by catalyzing the formation of a phosphodiester bond between…

Q: What is being pointed by the green arrow and what is its role on the DNA?

A: Nucleic acids are present inside the nucleus to store and pass genetic information and thus controls…

Q: To test whether you understand the processes involved in the Central Dogma of Molecular Genetics,…

A: The DNA is the genetic material in living organisms that contain specific nucleotide sequences. The…

Q: Which of the following enzymes can recognize and remove a damaged DNA base to leave an apurinic or…

A: There are different types of repair system in body which repairs damage DNA.

Q: What is the purpose of DNA methylation? Why is it ineffective in the DNA repair of spontaneous…

A: DNA methylation is the process of adding methyl groups to DNA at Nucleotide bases, so that without…

Q: Which type of mutation involves only one base pair? a. insertion b. deletion c. inversion d.…

A: A mutation occurs when DNA molecules are copied or replicated, resulting in DNA variants that can be…

Q: A geneticist is interested in determining the locations of methylated cytosines within a fragment of…

A: A geneticist is a person who analyze the genomic profiling expression and the pedigree analysis of a…

Q: During dna electrophoresis what fragments migrate towards? Larve or small!  Which charge slower…

A: Introduction :- Electrophoresis is a bio-physical technique , that is being used to separate the…

Q: The function of the 5’-> 3’ exonuclease activity is found in which of the following:   Group of…

A: Replication is the process of making complementary strand of DNA from the parental strand of DNA.

Q: Which of the following can only arise as a spontaneous mutation? Group of answer choices Gamma rays…

A: A mutation is a change in the sequence of the DNA. It affects the codons of the DNA or mRNA, which…

Q: A linear piece of DNA that is 30 kb long is first cut with BamHI, then with HpaII, and, finally,…

A: The restriction enzyme is a protein and it recognizes a specific sequence of short nucleotides and…

Q: In denatured DNA, DNA double helix is disrupted, which causes the exposure of the bases and thus…

A: The correct option is the C option: In denatured DNA, DNA double helix is disrupted, which causes…

Q: What is a puff on a polytene chromosome?   a highly condensed region of DNA a region containing the…

A: Polytene chromosomes are found in the salivary glands of the insect like in Drosophila and other…

Q: What type of nucleic acid is this diagram? Rna or Dna  and what molecule will bind to thymine in…

A: Nucleic acid are structure that are important to cell as they carry genetic information within them.…

Q: How many copies of double-stranded DNA are produced after 10 cycles of polymerase chain reaction?…

A: Polymerase Chain Reaction (PCR) is a technique by which a small amount of DNA can be amplified. For…

Q: How does E. coli determine which nucleotide to "fix" in a base mismatch? The appropriate DNA repair…

A: MutS recruits MutL and two MutH proteins to the mismatch.

Q: If a person is lacking a gene that codes for a protein involved in nucleotide excision repair, then…

A: DNA can experience a variety of chemical reactions, as in any other molecule. However, since DNA is…

Q: Plssssss helppppp Are mutations in DNA advantageous or disadvantageous?

A: DNA is made by a sequence of nucleotides arranged in a certain order. Any change in this sequence is…

Q: Suppose that a single DNA base change of an A to a T occurs and is copied during replication. Is…

A: DNA replication is necessary for the survival of the organism.

Q: DNA polymerase contains an arginine residue that is important for binding to DNA. Mutations were…

A: DNA polymerase contains an arginine residue that is important for binding to DNA. Mutations were…

Q: DNA: 5’-CTCTACTATAAACTCAATAGGTCC-3’ -Write the sequence of the RNA molecule that will be…

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

Q: σ factors bind to what types of sequences on DNA?    a. Shine-Delgarno sequences.   b. TATA box…

A: Sigma (σ) factor of RNA polymerase holozyme is a DNA binding promoter that determines transcription…

Q: Which of the following are similar characteristics shared between DNA replication and transcription?…

A: Introduction :- Replication is the process of synthesis of the DNA molecule . It occurs in S (…

Q: What would happen to DNA repair in bacteria if MutH is mutated such that is cannot recognize the…

A: In prokaryotes , Mut H involved in mismatch repair syatem.  Mut S can recognise mismatched…

Q: Process by which the DNA sequences encoding exons are exchanged and reordered through genetic…

A: Exon :- the coding part of the gene. Intron :- the non coding regions of pre mature mRNa.

Q: Which of the following is involved in the repair of cyclobutane pyrimidine dimers?   DNA pol I…

A: The process by which a cell uses a series of special enzymes to repair mutation (changes ) in DNA…

Q: eant by non-classical DNA-dependent DNA polymerases? What roles do they play in our cells?

A: DNA polymerases are enzymes that assemble nucleotides, DNA's building components, to form DNA…

Q: Which of the following is a DNA nucleoside? options: a phosphate group, adenine and…

A: DNA, or deoxyribonucleic corrosive, is the inherited material in people and practically any…

Q: The action of ultraviolet radiation on DNA to induce mutation is the…

A: The DNA sequence is extremely important as it is used as template for replication and protein…

Q: Identify the type of mutation and how it would affect the protein made (amino acid) if the following…

A: Mutation It is defined as the alternation in the sequence of the DNA. This change occurs when the…

Q: Is each of the following mutations a transition, transversion, addition,or deletion? The original…

A: Since no specific subparts have been asked to be answered, the first three subparts have been…

Q: Predict the resulting DNA strand in the presence of a mutagen that causes the ADDITION of one…

A: During protein synthesis pathway, the N-terminus is the first component of the protein to leave the…

Q: Enzymes that catalyze DNA denaturation or melting are:   gyrases   topoisomerases   helicases…

A: DNA is a genetic material that is a double stranded structure polymer of nucleotides. DNA…

Q: A primer is laid down complementary to the DNA sequence TAGCAATCGCA to prime synthesis of a daughter…

A: Answer: Introduction: In living organisms, primers are short strands of RNA or DNA commonly 18-22…

Q: 1. Photoreactivation destroys the covalent bond by using the light energy from the UV light source…

A: Photoreactivation is the mechanism of DNA repair. This is a light-dependent repair mechanism.  It…

Q: Which enzyme can recognize an altered base in the DNA? Group of answer choices DNA Polymerase AP…

A: There are several DNA repair mechanisms are present that are- direct repair system, excision repair…

Q: Which of the following best describes this type of mutation? Original – CCU-GAU-GAG-UCA…

A: Introduction : Mutations are modifications to the genetic sequence. Mutations can involve the…

Q: Which of the following is NOT a function of DNA polymerase III? Group of answer choices Exonuclease…

A: The main activity of DNA polymerase 3 is to add nucleotides to the short RNA primers. This is the…

Q: Which of the following is FALSE about "classic" transposons and retrotransposons? Ac is an…

A: Barbara McClintock discovered two classes of controlling elements in maize plant known as…

Q: Which of the following describes a Z-DNA helix? a. It is inhibited by methylation of bases b. It is…

A: DNA is a polymer made up of two polynucleotide chains that coil around each other to form a double…

Q: How many unique primers are required to amplify a single DNA target region?   a) 1 b) 2 c) 4 d)…

A: Targeted sequencing is a fast and low-cost method to detect known and novel variants in specific…

Q: ______________ is a kind of spontaneous mutation that results from a short-term, reversible…

A: Spontaneous mutations that is changes in the DNA sequence arise from a variety of sources, including…

Q: Aflatoxin B1 is a highly mutagenic and carcinogenic compound produced by certain fungi that infect…

A: Aspergillus flavus and Aspergillus parasiticus are commonly known molds in soil, hay, grains, and…

Q: What is a semi-conservative characteristic of DNA? What is a primer?

A: All living things are made up of cells, which are the most basic and important unit. All of life's…

Q: Is each of the following mutations a silent, missense, nonsense, orframeshift mutation? The original…

A: The mutation is a sudden, stable, and heritable change in the organism’s genome. It can occur due to…

Q: A biochemist was able to sequence a DNA found in a human sample from humans who were first believed…

A: The DNA is a self-replicating structure formed of two strands. The DNA is formed of nucleotides. The…

Q: Which of the following substances adds equivalent DNA nucleotides to the 3' end of Okazaki fragments…

A: DNA polymerase I

Q: What is unique about the dideoxynucleotides employed in Next Generation Sequencing as compared to…

A: Sanger sequencing is a method of DNA sequencing. It uses dideoxynucleotides which can terminate the…