The experiments by Hershey and Chase helped confirm that DNA was the hereditary material on the basis of the finding that: a. radioactive phage were found in the pellet b. radioactive cells were found in the supernatant c. radioactive sulfur was found inside the cell d. radioactive phosphorus was found in the cell

Q: Which of the following objects would you use microinjection in order to transfer DNA into? a. Egg…

A: Microinjection is the process of transferring DNA materials into a living cell. It can be done by…

Q: a) Give an appraisal of prokaryote cell lines as recombinant polypeptide expression systems. (b)…

A: The bacterial expression system is widely used for the recombinant expression of mammalian proteins.…

Q: 24) DNA synthesis and sequencing 25) Restriction enzymes 26) Techniques to determine gene function

A: DNA synthesis and sequencing techniques enable the study of genetic information, while restriction…

Q: 1. In gene reflection, which is part of a designated vector that cannot be part of the original…

A: Bacteria may have plasmids, which are tiny rings of DNA with a considerably lesser amount of genes.…

Q: which of the following are considered as the main tools for dna technology? a. vectors b. plasmids…

A: DNA technology is a technique which is used to create desired DNA molecule for enhancing the…

Q: Choose the one answer that fits best. Which statement regarding PCR is NOT correct (videos)?   a.…

A: What is PCR ? The PCR stands for Polymerase chain reaction. In this reaction, multiple copies of the…

Q: Cloning results in two organisms that are A both adult animals B genetically identical gentcially…

A: Cloning is the process of developing individuals with virtually identical DNA through natural or…

Q: 1.) Describe the components that are important to a cloning vector.

A: The term vector refers to the DNA molecules that act as transporting vehicle which carries foreign…

Q: how to increase the cloning procedure's plating efficiency.

A: cloning efficiency is a measure of accuracy, providing information on the number of correct clones…

Q: A restriction enzyme digests DNA into fragments. Name the technique used to check the progression of…

A: DNA and RNA are nucleic acids that are found in living cells. Almost all living cells contain both…

Q: If you knew the sequence of a gene in one organism, how could you determine if another organism had…

A: An animal's genomic sequence data, or model organism, can be annotated and compared to a human's…

Q: Regarding the PCR technique, what is false?a. It can produce multiple copies of DNA.b. It is the…

A: Introduction- Polymerase chain reaction (PCR) is a technique used to make a large number of copies…

Q: Electrophoresis works on the premise that different size DNA fragments?

A: Electrophoresis is a most widely used technique in biochemistry and molecular biology. This…

Q: After running PCR on your raw milk colony, you run your product on an agarose gel and see multiple…

A: Polymerase chain reaction is a bio-physical technique which is used in molecular biology…

Q: Compare and contrast the action of DNA damaging agents that lead to: 1. Point mutations . 2.…

A: 1. Point mutation... Point mutation is the single nucleotide mutation in DNA. In this mutation…

Q: ... and ..... are in product of a pcr reaction:   primers   nucleotides   both    none

A: Introduction :- PCR is described as the polymerase chain reaction . It is a bio-physical technique…

Q: Explain how electrophoresis separates DNA strands. a. How is a DNA fingerprinting test interpreted?…

A: Electrophoresis is a technique used to separate macromolecules like DNA, RNA, and proteins based on…

Q: PCR is a technique used to synthesize DNA fragments. Select all the reagents needed for PCR to…

A: Introduction  The polymerase chain reaction (PCR) is an in vitro technique for amplifying a…

Q: How is recombinant DNA used in medicine?

A: Recombinant DNA as the term suggests DNA from multiple sources. Because of the similar chemical…

Q: Would it be possible to use human polymerase for the PCR reaction? a. No, because human polymerase…

A: Introduction  The polymerase chain reaction is a process for making millions to billions of copies…

Q: Write a short essay that explains how recombinant DNA techniques were used to identify and study…

A: DNA segment carrying information from parents to the offspring is called a gene. It is a determinant…

Q: from the sample with DNA from living birds.Which of the following would be most useful for…

A: PCR is a technique for producing millions to billions of copies of a specific DNA sample very…

Q: How could DNA-mediated transformation be used to test chemicals for their mutagenic activity?

A: Deoxyribonucleic acid (DNA) is an inheritable entity of almost every living organism. It is…

Q: Which of the following is involved in recombinant DNA technology? Explain.   MULTIPLE CHOICE.…

A: The technology which creates a transgenic product is called recombinant DNA technology. In this…

Q: Which statement is true?   a. There is no danger involved in recombinant DNA research in humans.…

A: Introduction Recombinant DNA technology is a technique that uses specific enzymes for the cutting…

Q: When constructing a recombinant DNA molecule, a marker gene is used to:   a. give the organism a…

A: Answer :- b. Identify whether the transformed organism contains the recombinant DNA

Q: A plasmid has two restriction cut sites for EcoRI and one restriction cut site for HindIII. The…

A: Plasmids are the small double stranded circular DNA molecules which contain extra genetic…

Q: Bob's telomerase works extremely well (10x better than the average humans). Explain the function of…

A: Telomerase is an enzyme. It maintains length of telomere by adding repetative sequence  that are…

Q: genetic disease is caused by a deletion in part of a gene. The deletion results in one copy of the…

A: Option b

Q: In DNA cloning, why do we need to check colonies for insert after transformation?

A: Gene is the basic unit of heredity. All living organisms contain certain nucleic acids as their…

Q: How does an embryonic stem cell differ from an adult stem cell?

A: Stem cells are used extensively in the experiments of cloning. It is studied under the domain of…

Q: Define and identify the words listed below: 1. restriction enzyme 2. topoisomerase 3. PCR

A: Restriction enzyme Molecular scissors that cut double stranded DNA molecules at specific points.…

Q: When bacteria are consumed by macrophages, the macrophages give off chemokines that recruit other…

A: Chemokines have many different activities, and in many cases, the microenvironment has a significant…

Q: Which of the following is involved in recombinant DNA technology? Explain.  a. DNA polymerase b.…

A: Ans: Recombinant DNA technology is the process in which sequences derived from different sources are…

Q: amount

A: