A DNA strand contains a mismatched thymine. What type of DNA damage has occurred to cause this change? Deamination of a 5-methylcytosine. O UV light damage causing thymine dimerisation. O Depurination of an adenine. O Deamination of a cytosine.

Q: and these protect the strands and prevent the separated DNA strands from reannealling at Single…

A: DNA replication is the process by which a molecule of DNA is duplicated. In this, a dsDNA molecule…

Q: Which type of DNA damage can be addressed by non-homologous end joining? O Pyrimidine dimers O…

A: Non homologous end joining is a repair pathway for double stranded breaks in DNA.  It is called…

Q: Which of the following statement O It enables RNA polymerase to bind to the DNA O It is rarely found…

A: Histone deacetylase is a category of enzymes that take away acetyl group teams (O=C-CH3) from an…

Q: Which of the following processes is dependent primarily on exonuclease activity? O Mismatch repair O…

A: The exonuclease selected is subject to which side of the jumble MutH etches the strand – 5' or 3'.…

Q: Which of the following statements is true about DNA? Select one: O a. DNA transmit the genetic…

A: The DNA is one of the type of nucleic acids and is made from nucleotides that contains five carbon…

Q: When DNA copies itself..the first step that DNA must do is: O DNA Polymerase checks for errors after…

A: The synthesis of new DNA molecule from the old DNA is known as the replication process. The…

Q: Sometimes mistakes are made during DNA replication. If uncorrected, these mistakes are called…

A: DNA is the genetic element in all cell types of prokaryotic and eukaryotic. DNA is double-stranded…

Q: Evaluating: If a DNA strand reads AATGCTCCAGT, what would the complementary strand read: * O…

A:

Q: DNA replication reaults in two daughter double hellces, each containing one atrand from the original…

A: DNA replication  The production of new double stranded DNA from old one is known as DNA replication.…

Q: Which of the following is considered to be a spontaneous source of mutations that impa the genome? O…

A: The genome is the finished arrangement of hereditary information in a organic entity. It gives all…

Q: Which of the following statements is FALSE? O The lagging strand of DNA is started by an RNA primer.…

A: The correct answer is (c), this statement is false The DNA replication in bacteria occurs…

Q: Given DNA strand: 5'  T G T T A G T C G A A T  3'   Write its complementary DNA and its mRNA.

A: The DNA or deoxyribonucleic acid is the double standard helical macromolecule. It is the genetic…

Q: Chromosomal ____________include those that removeor add base pairs (deletions and duplications), and…

A: Chromosome is a thread like structure containing a part or all of the genetic material of an…

Q: What forms the chemical code within a molecule of DNA? O The arrangement of the sugars and bases O…

A: Option C is correct.

Q: What would you observe in a cell in which DNA helicase was inactivated? O DNA replication would…

A: The process by which DNA duplicates itself during cell division is known as DNA replication.

Q: What determines your unique genetic code? O The order of proteins in your DNA O The order of bases…

A: The genetic code is a universal codon. The genetic code in DNA and RNA is a sequence of nucleotides.…

Q: The diagram shows the structure of DNA with complementary base pairing between strands. Bood 3' CG…

A: Double-stranded DNA has two strands of complementary DNA wherein Adenosine is bonded to Thymine via…

Q: Which of the following processes occurs in the nucleus and forms acomplementary copy of one strand…

A: The deoxyribonucleic acid (DNA) is the double-stranded molecule that is the genetic material in most…

Q: Which statement about DNA clamps is TRUE? OThey prime synthesis of DNA. They form ends of eukaryotic…

A: The clamp protein actually helps in the binding of DNA polymerases during DNA replication.

Q: enerations, what must be true about the mutation?* OIt must occur during the first stage of DNA…

A: Mutations are the abrupt change in the nucleotides of the DNA which may prove harmful as well as…

Q: 22. Answer and explain

A: DNA synthesis is the process of the formation of a new DNA strand from an existing DNA strand. The…

Q: Of adding lable sait Table salt dissociates into Na* and Cl" in water. The Na* binds to positively…

A: DNA extraction is the chemical method that is used to isolate or extract DNA from the nucleus and…

Q: Chemical agents that intercalate between nucleotide bases typically can lead to what types of errors…

A: A mutation is alteration in the sequence of DNA which can be due to external factors or can also be…

Q: During transcription, the DNA can be modified by the enzyme DNA methyltransferase and will enhance…

A: Transcription can be defined as the initial step of the protein synthesis in which RNA is formed…

Q: After DNA replication, each new DNA double helix consists of two old strands O each new DNA double…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Which of the following statement about the DNA double helix is correct А. Sugar-phosphate backbone…

A: DNA is composed of nucleotides attached together via phosphodiester bonds. DNA is known as…

Q: The antiparallel nature of DNA refers to its charged phosphate groups the opposite direction of the…

A: DNA strands are antiparallel to each other. They have different polarities to each other.  One…

Q: DNA gyrase helps replication by reducing the stress caused by the unwinding DNA. breaking the H…

A: DNA replication A process by which new DNA is made which is exact copy of the previous DNA.

Q: Ultraviolet light principally causes which of the following dmages to DNA? A methylation of specific…

A: UV light can kill cells by damaging DNA to an irreversible extent. The light initiates reaction…

Q: What is a limiting factor on the rate of DNA replication? the number of nucleotides within a gene O…

A: DNA replication is the process in which the genetic material of the cell is copied before the cell…

Q: DNA polymerase separates the two strands of the relaxed DNA helix; the point of separation is the…

A: a. DNA replication is the biological process of producing two similar copies of DNA from one…

Q: DNA repair is an important mechanism that protects the genetic material from damage. While working…

A: UV radiation is one of the most widely recognized ecological wellbeing perils that cause…

Q: What type of enzyme would MOST likely promote increased gene expression? O a. DNA ligase Ob.DNA…

A: Promotion of gene expression means increased transcription or protein formation of a particular…

Q: Which of the following statements is true about DNA? Select one: O a. The two strands of DNA are…

A: The DNA molecule is a polymer of nucleotides.  Each nucleotide is composed of a nitrogenous base, a…

Q: What happens to the RNA primers found in newly synthesized DNA? Their nucleotides are converted to…

A: The making of DNA offspring from the parental DNA was termed DNA replication. During replication,…

Q: Which of the following things must happen first if DNA is going to be replicated * O DNA gets broken…

A: DNA replication is the process which is responsible for producing the daughter ds DNA molecule from…

Q: In a single strand of DNA, the individual nucleotides are covalently linked together by bonds,…

A: The DNA or deoxyribonucleic acid is a nucleic acid and it is made up of two strands. In the DNA the…

Q: Additional twisting of DNA upon itself is called ____________ The enzyme that can relax or remove…

A: DNA full form is deoxyribonucleic acid. DNA is the main constituent of the chromosome. It contains…

Q: One strand of DNA runs 5' to 3' the other runs 3' to 5, therefore the two strands of DNA are sald to…

A: Cell Cycle   It is an ordered series of events involving cell growth and cell division that produces…

Q: Which enzyme is used by the bottom daughter strand but not by the top daughter strand? O RNA primase…

A: dna replication is the process by which parent dna makes two daughter strands . the given diagram is…

Q: An error in copying the DNA nucleotides during synthesis is called a _________________________. Most…

A: DNA (deoxyribonucleic acid) replication is a process of copying a strand of DNA. In this process,…

Q: The diagram shows the structure of DNA with complementary base pairing between strands. CG What is…

A: The structure of DNA was discovered by James Watson and Francis Crick in the 1950s. DNA has two…

Q: Which of the following DNA repair mechanisms involves the 3' to 5' exonuciease function of DNA…

A: DNA Polymerase is the enzyme that catalyzes the synthesis and replication of DNA. It plays a vital…

Q: Guanine was oxidized into 8-oxoguanine, which process below will ensure the integrity of the DNA?…

A: DNA repair system specifies a collection of processes, through which a cell identifies and corrects…

Q: Which of the following histones bind to linker DNA?a) H1b) H2Ac) H2Bd) H3

A: Histones are a family of highly alkaline proteins present in nucleus of eukaryotic cell and they…

Q: Which nitrogenous base correctly pairs with adenine on the DNA strand during replication? O uracil O…

A: -the adenine pairs with thymine.

Q: Which DNA repair mechanism is described? A damaged nucleotide is removed and subsequently repaired…

A: The given repair mechanism is a nucleotide excision repair in which the DNA that is damaged by the…

Q: Besides replicating DNA, what is another function of DNA polymerase? O protein synthesis O…

A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. The genes consist of the DNA…

Q: Which of the following proteins preserves an epigenetic alteration of DNA? O MYOD O Ey O HAT…

A: Introduction  Epigenetics is the study of how changes in your environment and behaviour can have an…

Q: During DNA replication a point mutation occurred in the bacterial genome and is now being repaired.…

A: DNA( deoxyribonucleic acid) is the double-stranded molecule that is the genetic material in most…