Who determined the structure of DNA using X-ray technology?  A) Watson and Crick B) Meselson and Stahl C) Hershey and Chase D) Franklin and Wilkins

Q: GENETICS The modified "dye terminator method for DNA sequencing represented a major improvement…

A: Answer is f.) all of the above.

Q: Which of the following pairs of sequences would be considered different alleles in DNA profiling?…

A: DNA profiling employs highly variable conserved regions known as variable number tandem repeats…

Q: Metagenomics involves all of the following, EXCEPT A) O DNA isolation B) O DNA sequencing C) O…

A: The small, unicellular, and mostly prokaryotic organisms are called microorganisms. They are of…

Q: What are the main components needed for electrophoresis? a) A power source b) A gel matrix c) A…

A: 1.  Option e is the correct answer All of the above are required for electrophoresis.

Q: Which of the following is NOT needed to perform a PCR reaction? A) DNA primers B) deoxyguanosine…

A: Components required for PCR include a DNA sample which acts as a template , DNA primers, free…

Q: There are four possible observations that suggest an error occurred in a PCR reaction: a) Sequence…

A: PCR reaction is a method used to amplify a small sample into millions of small ones which help the…

Q: Which of the following ingredients does not belong in a PCR reaction? DNA polymerase B) Primer…

A: Polymerase chain reaction is a method used to produce millions of copies of any DNA sample and hence…

Q: Why didn't Rosalind Franklin get her due recognition for her work with DNA? A)All of the options…

A: Rosalind Franklin discovered the density of DNA and a clearer X-ray pattern of DNA molecules.

Q: Which of the following is an activity carried out in the field of bioinformatics?

A: Ans. Bioinformatics is an interdisciplinary area that develops biological data understanding methods…

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: Chemical mutagens often cause oxidation or deamination of DNA bases. This can lead to cancer by…

A: DNA damage is often caused by external sources like radiation exposure, exogenous chemical reactions…

Q: E) double stranded DNA separates into single stranded DNA

A: The correct option is E . Double stranded DNA separates into Single stranded DNA .

Q: 5) Which of the following is not a component of a PCR reaction mixture? A) DNA template B)…

A: Polymerase chain reaction (PCR) is a widely used method in molecular biology that is used to make…

Q: What does a restriction enzyme do? O a) Delivers recombinant DNA to target cells. O b) Cuts DNA at a…

A: Recombinant DNA technology is the emerging branch in biotechnology which has a great potential. It…

Q: All of the following are needed for PCR except: A) dNTP nucleotide monomers B) Oligonucleotide…

A: The polymerase chain reaction (PCR)  is a special process that is used for the amplification of…

Q: For what purpose is DNA fingerprinting used A) to sequence DNA from bacteria B) to separate DNA…

A: DNA fingerprinting:                 A method of isolating and identifying variable elements within…

Q: Please answer these two questions regarding PCR:   a) Why do you need to perform PCR on DNA obtained…

A: The polymerase chain reaction (PCR) is a technique used to make many copies of a specific segment of…

Q: In PCR, the size of the product is based on A the position of the primers. B) the amount of DNA you…

A: PCR is a method widely used to rapidly make millions to billions of copies of a  specific DNA…

Q: 8) Ramachandran plot (how to read it) 19 )Rotations around bonds in a peptide sequence 20) DNA and…

A: The Ramachandran plot is a tool for visualising the allowed and disallowed protein backbone…

Q: Who has access to the human DNA sequence?

A: Deoxyribonucleic acid (DNA) is the hereditary material that undergoes replication which is vital for…

Q: What did Rosalind Franklin, Maurice Wilkins, Francis Crick, and James Watson discover that resulted…

A: The living organism contain DNA as the genetic element which contain all the necessary informations…

Q: What is the role of the liquid detergent used in the experiment?  a) It allows the DNA to unwind.…

A: DNA extraction is defined as the method or technique used for isolating the DNA from the nucleus of…

Q: The amino acid sequences of thousands of different proteins from many species have been determined…

A: The amino acid sequences of thousands of different proteins from many species have been determined…

Q: Which of the following does NOT require a primer? A) PCR-based viral test B) cloning a human gene…

A: It is the process of producing individuals with identical or virtually identical DNA, either…

Q: Who were James Watson, Francis Crick and Maurice Wilkins?

A: Answer: Introduction: James Watson and Francis Crick created a landmark in the history of science…