Q: Using Chargaff's rule, determine the percentages of all of the bases in DNA that is 26% thymine.
A: DNA stands for Deoxyribonucleic acid. It is the genetic material present in all living organisms. It…
Q: Bearing in mind the different number of hydrogen bonds that form between the two different purine-…
A: DNA and RNA are polynucleotides that are composed of a chain of nucleotide monomers with distinct…
Q: Hydroxylamine (NH2OH) converts cytosine to the compound shown below. With which base does this…
A: Transition mutation refers to a point mutation that changes a purine nucleotide to another purine or…
Q: What is The crucial role of base pairing betweencodon and anticodon?
A: The triplet code expresses the genetic information that is transcribed into mRNA. The tRNA translate…
Q: What protein is key in the termination process of DNA replication in E. Coli?
A: In molecular biology, DNA replication is the biological process of producing two identical DNA…
Q: Why is the double-helical structure of DNA stabilized at moderate to high ionic strength?
A: Ionic strength defines the high concentration of ions in the solution that are produced due to the…
Q: Which nucleotide is most non-polar and why? What structural element of DNA gets cleaved by…
A: The monomeric units of nucleic acids are called nucleotides. Nucleotides are generally…
Q: How many by-product water molecules are produced during the formation of the trinucleotide from…
A: Nucleotides are the basic units of the nucleic acids, which is the genetic material of almost all…
Q: Based on Chargaff’s rules, if a segment of DNA is composed of 20% adenine (A) bases, what is the…
A: DNA (Deoxyribonucleic acid) is the hereditary material present in most of the living organisms,…
Q: DNA-driven DNA synthesis forms hydrogen bonds with antisense bases. True or False?
A: Antisense is the non-coding DNA strand of a gene. In the cell, the antisense DNA fills in as a…
Q: What is the role of deoxyribonucleic acid DNA?
A: The four important biomolecules found in the cell are carbohydrates, amino acids, lipids, and…
Q: What is the purpose of using 1% NaOH in RNA hydrolysis?
A: RNA is an essential component of cellular functions. RNA is the genetic material present in many…
Q: Why are most DNA-binding proteins specific to certain chemicalgroups within the DNA?
A: DNA is the genetic material that carries genetic information in the form of coded nucleotide…
Q: DNA repair enzymes that correct deamination and depurination must preferentially recognize these…
A: DNA damage occurs when negative changes occurs in DNA due to endogenous or exogenous factors, The…
Q: Which part of a deoxynucleoside triphosphate (dNTP) molecule provides the energy for DNA synthesis?
A: DNA stands for deoxyribonucleic acid. It stores the genetic information in form of nucleotides.
Q: Which form of flavin adenine dinucleotide is the "reduced" form, FAD or FADH2? Explain
A: Flavin Adenine Dinucleotide: It is a redox active coenzyme associated with various proteins, which…
Q: How Do Cells Form the DeoxyribonucleotidesThat Are Necessary for DNA Synthesis?
A: DNA is the genetic material for most living organisms, excluding some RNA viruses. DNA is…
Q: DNA polymerase I, DNA ligase, and topoisomerase I catalyze the formation of phosphodiester bonds.…
A: The DNA replication is a semi-conservative mechanism in which the new complementary strand is…
Q: Two highly negatively charged complementary strands of DNA come together to form a double helix.…
A: Deoxyribonucleic acid (DNA) is the nucleic acid which contains the hereditary information that is…
Q: What entropic factor destabilizes helical DNA at high temperature?
A: The double (ds) stranded DNA undergoes structural changes also known as denaturation at high…
Q: Are there other possible conformations of the double helix?
A: Introduction: DNA is a genetic material that transfers from one to another. It is a type of nucleic…
Q: Explain why DNA replication requires RNA primers. What do they do and why do they have to be…
A: The process of duplicating a double-stranded DNA molecule into two identical DNA molecules is known…
Q: Why are GC and AT the only base pairs permissible in the double helix?
A: Base pair: The nucleotides on opposite strands of DNA double helix, that form chemical bonds…
Q: How does the action and mutagenic effect of 5-Bromouracil differ from that of nitrous acid? explain.
A: A permanent change in the DNA’s base sequence is termed as mutation. The mutagens are the agents in…
Q: In a double-stranded, B-form DNA, how many nucleotide bases can be found in 3 turns of the double…
A: Watson and Crick first described the structure of the DNA double helix in 1953 using X-ray…
Q: What is conversion of ribonucleotides to deoxyribonucleotides?
A: Introduction: A nucleoside and a phosphate make up nucleotides, which are organic molecules. They…
Q: Why must reoviral replication events occur within thenucleocapsid?
A: Viruses are minute particles that are made up of only their genetic material which may be DNA or RNA…
Q: Why is the deoxyribose so important in dna and why is the phosphate at the 5’ end crucial for DNA…
A: Deoxyribose is a pentose sugar important in the formation of DNA. It is a modified sugar, lacking…
Q: The base analog 5-bromouracil (5BU), which sterically resembles thymine, more readily undergoes…
A: Base analogs are the purines and pyrimidines that are similar in structure to the normal DNA bases.…
Q: Insulin is synthesized as preproinsulin, which has 81 amino acids. How many heterocyclic bases must…
A: Insulin is synthesized from preproinsulin. The preprotein is then cleaved by a proteolytic enzyme to…
Q: Why is primase needed for DNA replication?
A: Deoxy ribonucleic acid (DNA) is the genetic material of most organisms that carry coded genetic…
Q: Cytosine
A: Introduction :- A mutation occurs when a DNA gene is damaged or changed in such a way as to alter…
Q: What would the effect be if there was a substitution of one nucleotide for another?
A: Nucleotides:These are the building blocks or structural component of the deoxyribonucleic acid or…
Q: Why is a methylated base employed in DNA and not in RNA?
A: DNA and RNA are the two types of nucleic acids. Deoxyribose nucleic acid (DNA) is present in all…
Q: Explain, If the template strand of a DNA is 3’-ATCATG-5’, what will be the complementary strand?
A: The DNA or deoxyribonucleic acid is the genetic material of all the living organisms and it is…
Q: Extrachromosomal DNA is critical to the antibiotic resistance found in microorganisms, how do these…
A: Extrachromosomal DNA means a DNA which is present independently of the main DNA or chromosome.…
Q: Which positions in the purine ring of a purine nucleotide in DNAhave the potential to form hydrogen…
A: DNA is the chemical name for the molecule that carries genetic instruction is all living things. The…
Q: What are Okazaki fragments? Why are they formed?
A: DNA replication is the process by which double-stranded DNA is copied to produce two identical…
Q: E. coli has two tRNAs for methionine. What is the basis for the distinction between the two?
A: Protein is one of the macromolecules found in the body. Proteins are synthesized using the…
Q: What is oligonucleotide adapter?
A: The oligonucleotide adapters are 20 to 25 nucleotides long DNA (deoxyribonucleic acid) molecules.…
Q: Why adenine and thymine have double bond and guanine cytosine have triple bond in DNA Structure ?
A: Adenine and thymine make two hydrogen bonds with each other; guanine and cytosine make three…
Q: If a polyribonucleotide contains equal amounts ofrandomly positioned adenine and uracil bases, what…
A: Polynucleotide with ribonucleotides as mononucleotides is known as a polyribonucleotide. Nucleic…
Q: E. coli oriC is rich in A · T base pairs. Why is this advantageous?
A: E.coli is a gram-negative bacteria that is found in the lower part of the intestine if warm blood…
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- Insulin is synthesized as preproinsulin, which has 81 amino acids. How many heterocyclic bases must be present in the informational DNA strand to code for preproinsulin (assuming no introns are present)?How would the uniform 2 nm diameter of DNA be affected iftwo purines or two pyrimidines could pair with each other?A chemotherapeutic agent can seek to prevent successful replication. How could a nucleotide with a -NH3 (azido group) at 3' position be used to treat cancer, a disease caused by excess cell division?