Why were you able to see the DNA after adding the ethanol?

Q: DNA polymerases used in PCR _______.

A: The polymerase chain reaction (PCR) is a technique in which millions of copies of the desired DNA…

Q: Does each sample contain pure DNA? How do you know?

A: Not necessarily all the samples will have pure DNA it may have contaminations and the level of…

Q: Saenger’s DNA sequencing procedure. Include the method and the main reagents used

A: Its a DNA sequencing method

Q: How would you detect the SNP?

A: SNP  -Single nucleotide polymorphism         A single nucleotide replaced with other nucleotides in…

Q: To maintain uniform diameter of the DNA double helix, only purines base with each other via two…

A: DNA is the fundamental structure that carries all the information of a living thing. In most cases,…

Q: why was glycerol added onto the total dna buffers?

A: The effect on DNA separation of adding glycerol to the running buffer was studied using linear…

Q: Identify the structure indicated by the Yellow arrow.

A: The human body is a well built machine in which all the organs coordinate together to make it work.…

Q: do you need to put the reagents in the reaction tubes into the tubes in a specific order for DNA…

A: DNA fingerprint analysis consists of the process of identification of individuals based on their DNA…

Q: So what was the point of Hershey and Chase choosing to use radioactive labels for the DNA and…

A: In 1952, Alfred Hershey  and Martha Chase performed their famous experiment to identify the…

Q: Why was it necessary to soak the gel in hydroxide before performing the blot?

A: Gel electrophoresis is a technique which is used to separate the molecules based on the size of the…

Q: What do you mean by Roflumilast ?

A: The activity of the enzyme can be inhibited wither reversibly or irreversibly. Irreversible…

Q: When y

A: Introduction: Deoxyribonucleic Acid, or DNA, is a molecule that transports genetic data in all…

Q: The following shows the results of DNA profiling from a rape case. The evidence sample (S) consists…

A: DNA profiling is the process in which a DNA pattern obtained from a person or sample, and this DNA…

Q: If the purity of DNA sample is below 1.8 A260/A280, where did the protein contamination come from?

A: The absorbance ratio at 260 nm & 280 nm is used to determine the quality of DNA & RNA.  A…

Q: the answer I was told was that the gap would remain in newly sythesized dna from lagging strand. How…

A: The main function of DNA ligase is to seal the gap that occurs in the lagging stand formation.…

Q: Using paper cutouts of the nucleotides, Watson compared the ___ of the base pairs.   A. hydrogen…

A: Watson and Crick give the double-helical structure of DNA. Two ribbon-like structure depicts the…

Q: it have gaps that would remain in newly synthesized DNA from lagging strand

A: DNA ligase enzyme helps in phosphodiester bond formation between the 3'-OH group at the end of one…

Q: What will happen to the concentration and the A260/280 ratio of the DNA sample in the following…

A: Biotechnology is the use of our understanding of biological processes to develop useful applications…

Q: Why were both “+ DNA” and “- DNA” mixtures prepared and plated?

A: Both “+DNA” and “-DNA” mixtures prepared and plated because in the transformation protocol “+DNA”…

Q: EcoRI 290 bp 3800 bp EcoRI PUC19 PUC19 3400 bp Bgll EcoRI 290 bp EcoRI 1900 bp PUC19 1500 bp

A: A plasmid circular, small, extra chromosomal double stranded DNA (dsDNA). pUC19 plasmid is one the…

Q: How much 6x loading dye should be added to 49 uL of DNA?  Report you answer in units of uL, with one…

A: The equation of dilution: M1xV1 = M2xV2 Where, M1 is the molar concentration of the stock solution.…

Q: Loaded into first lane of this gel is a DNA sample from a crime scene. The rest of the lanes contain…

A: DNA profiling is a technique which is used to distinguish between individuals  of the same species…

Q: Why was there a greater A260 absorbance reading for your DNA sample that was incubated at higher…

A: Hyperchromicity is the increase in optical density of a substance at a particular wavelength.

Q: why are 2D NMR spectra symmetrical

A: 2D NMR spectra is used to determine the structure of a molecule. It is used for molecules that are…

Q: What is the biological and non-biological samples used in forensic DNA investigations?

A: Chromosomes are carrier of deoxyribonucleic acid (DNA). DNA is the genetic material. Each cell has…

Q: Why does DNA appear when you add cold alcohol to the strawberry DNA solution?

A:

Q: When Griffith injected mice with a combination of live rough-strain and heat-killed smooth-strain…

A: Frederick Griffith was responsible for conducting an experiment using Streptococcus pneumoniae,…

Q: You have a 2.5 ng/uL DNA stock. What volume will give you 1.15 mg?

A: Conversion tables are important to find out the actual values in the required unit. Similar…

Q: EDIC DATA ANALYZE NCLUDE ТВЕ In the table below, record the estimated length in base pairs (bp) of…

A: In forensic sciences, various biotechnological techniques are used to investigate the crime. The…

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.