DNA double helix is stabilized by ...   a)  H-bonds between the sugar-phosphate backbones.   b)  ionic interactions between the sugar-phosphate backbones.   c)  H-bonds between complementary bases.   d)  a and c

Q: There may be more than one correct answer for each Repetitive DNA include which of the following?…

A: Introduction :- Microsatellites are short, repetitive sequences of DNA, typically consisting of 1-6…

Q: a) If you isolated DNA from the ear and the tail of the same mouse, would you expect the DNA,…

A: The extraction of deoxyribonucleic acid (DNA) from diverse sources is known as deoxyribonucleic acid…

Q: Which of the following is an example of RNA-dependent DNA polymerase? a) RNA polymerase II b) DNA…

A: DNA polymerase is an enzyme that catalyzes the synthesis of new DNA strands during DNA replication.…

Q: DNA replication always proceeds in only one direction because the ________ of the incoming…

A: DNA replication is an important part of the cell cycle and it takes place in the S-phase of the cell…

Q: Which of the following features of DNA is required for it to behave as a self-replicating molecule?…

A: DNA stands for deoxyribonucleic acid. It is a molecule that contains the genetic instructions used…

Q: The enzyme that proofreads the new strand of DNA, looking for and correcting mistakes as it…

A: DNA replication is the process in which the two identical replicas of DNA from one original DNA…

Q: 5) The nucleotides in the backbone of DNA are held together by bonds. A) hydrogen B) peptide…

A: Nucleic acids are composed of nucleotides (sugar, nitrogenous base & phosphate group). Nucleic…

Q: The sequence of bases in DNA can be altered by chemicalmutagens. These cause changes by:(a) Acting…

A: Mutagens : These are chemical compounds or radiations like UV or X ray which cause irreversible and…

Q: You have a sample of genetic material. The nitrogenous base content is 29% guanine. a) If the…

A:

Q: A DNA molecule consists of 500 nitrogenous bases, of which 150 are G bases. So, the percentage of…

A: The four kinds of nucleotides existing in double helix DNA are adenine (A), thymine (T), guanine (G)…

Q: You have created a synthetic nucleotide, nucleotide X, which can be substituted into a DNA strand…

A: Introduction  A nucleoside and a phosphate make up nucleotides, which are organic compounds. They…

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: The two strands of DNA that make up the double helix are held to each other by ... a) hydrogen bonds…

A: DNA is made up of nucleotides which contains three parts: a sugar molecule (deoxyribose), phosphate…

Q: DNA is composed of ___________, which are attached to each other by _______________ bonds. A) amino…

A: The biochemical material that is carried from the preceding generation to the succeeding generation…

Q: Which is not a property of DNA polymerase? a) It requires a primer to begin synthesis b) It adds…

A: Note : As many questions have been asked, only the first multiple choice question (question number…

Q: There may be more than one correct answer for each Which of the following motifs can be found in…

A: Introduction :- A motif is a short, recurring sequence of nucleotides in DNA or amino acids in a…

Q: Which of the following statements is (are) true? (a) The two strands of DNA run parallel from their…

A: The genetic information of all living organisms (except some viruses) is stored in the cell in the…

Q: 1. a) What does DNA stand for? b)What is the name of the DNA structure?

A: DNA is self replicating by molecules that are present in chromosome and carry in genetic…

Q: TRUE OR FLASE a) DNA positively supercoils during replication and negatively supercoils in…

A: There are 2 question asked. So we will solve both.

Q: The Okazaki fragment is formed     a)  near the replication fork.   b)  on the lagging strand.…

A: According to the definition, DNA fragments created during DNA replication is called Okazaki…

Q: DNA-binding proteins interact predominantly within which portion of a double-stranded DNA helix? A)…

A: dna is the genetic material , which store all the biological informations.

Q: Arrangement of nucleotides in DNA can be seen using which of the following instruments? a) Electron…

A: X-Ray crystallography is a powerful technique used to determine the three-dimensional structure of…

Q: All of the following are involved in DNA replication excepta) polysome.    b) gyrase.        c)…

A: DNA is the genetic and hereditary material in all living organisms. When a cell divides, DNA is…

Q: What properties of DNA make it especially well suited to serve as the genetic material?

A: DNA is a type of nucleic acid. It is a polymer of nucleotide. Initially RNA is believed to be the…

Q: Which of the following amino acids is unique in that it can bind both non-specifically to the DNA…

A: All the protein that interact or bind with the DNA is called as the DNA binding proteins. These DNA…

Q: What is the purpose of the dideoxynucleotide triphosphates in the Sanger sequencing reaction?

A: In 1977, Sanger proposed chain termination method of DNA sequencing. He used ddNTP or…

Q: The A and G compositions (mole percent) of one of the strands of a duplex DNA is A = 27 and G = 30.…

A: DNA is the molecule that carries the genetic information for an organism. It is basically made up…

Q: Which of the following items do not affect the melting temperature of DNA? A length of the DNA B the…

A: Melting temperature ( Tm): half of DNA gets denatured (melts). Tm = 2* (A+T) + 4* (G+C)

Q: You discover an E. coli mutant that has a non-functional DNA polymerase III. Such a bactèria; a)…

A: The DNA replicates itself several times during the replication process. It is a biological…

Q: The statement “DNA replicates by a semiconservative mechanism” means that (a) only one DNA strand is…

A: Introduction  DNA replication is a semi-conservative and semi-autonomous process. Semi-autonomous…

Q: Which statement is TRUE regarding the DNA ligase mechanism?

A: DNA ligases DNA ligases are the enzymes that are responsible for joining the two strands of DNA by…

Q: 5- ddNTP differs from dNTP in..... and N is representing... a) The first has no OH in both C 1,2,…

A: Introduction  The fundamental units that make up nucleic acids are called nucleotides. It is made up…

Q: What is the benefit of this complementary nature of DNA?

A: Complementary strands means that where there is Adenine in one of the stand there would be Thymine…

Q: In DNA replication, the role of topoisomerase is to   Question 11 options:   a)  "unzip" the…

A: DNA replication is a fundamental process in biology, essential for the accurate duplication of…

Q: 9. The hydrogen bonds and ring-stacking interactions that hold a DNA double helix are individually…

A: Nucleic acids are one of the major macromolecules present in every cell. These large molecules are…

Q: During DNA replication the bond between the growing strand and the incoming nucleotide is formed…

A: Introduction: DNA replication follows a semiconservative pattern. Each of the double helix's strands…

Q: Which of the following enzymes has the highest functional error?  a) DNA Polymerase I b) DNA…

A: The proofreading activity of enzymes helps in reducing the number of errors. Proofreading activity…

Q: 8. The CAS9 enzyme (shown in red in the image below arget and cut out specific DNA sequences.

A: As you have not mentioned which part to answer, we are answering first three for you. If you want…

Q: Moira, a biochemistry major, wanted to explore the shapes a single-stranded DNA molecule can take.…

A: DNA is deoxy ribo nucleic  acid which consists of two strands of nucleotides connected by hydrogen…