Explain messelson and stahl's experimnt?

Q: Why would phages pass through the filters used to separate fragments of bacterial cells after the…

A: Bacteriophage or phage is a virus that infects a bacterial cell, and may cause lysis to its host…

Q: Approximately how many bacterial colonies are present on plate B?

A: Bacteria are small, microscopic, and unicellular organisms that are found almost everywhere on the…

Q: What are density-gradient centrifugation

A: The process of centrifugation is widely used in laboratories to separate different substances on…

Q: How does subcellular centrifugation exactly work? At slower speeds, do the smaller/less dense…

A: Introduction: Subcellular centrifugation is a centrifugation technique that is used in the isolation…

Q: What is an aliquot? Give two uses of serial dilution.

A: Introduction: Serial dilution is a series of repeated dilution performed on the same solution to…

Q: What conditions may have promoted bacterial growth?

A: There are some conditions that may have promoted bacterial growth. Here we will discuss the factors…

Q: What is the purpose of the baking soda solution in the leaf disks experiment?

A: Leaf disks experiment is an experimental set up which is aimed at studying the effects of various…

Q: How does MreB control the shape of a rod-shaped bacterium?

A: The cell growth can be achieved by binary fission and spore formation. There are different proteins…

Q: What salt did Meselson and Stahl use for their ultracentrifuge gradients? O NaCI O NH4CI O CSCI O…

A: Given: DNA replicates semiconservatively. Matthew messelson and Franklin stahl performed an…

Q: What were the results from the FTM (Fluid Thioglycerate Media) for the three bacteria (M. luteus, C.…

A: Thioglycolate broth medium is used to determine whether a microorganism i.e. the test sample is…

Q: Why are elimination and control samples critical?

A: Biochemistry assay are the process of experiments which are conducted to find out concentration or…

Q: "the supplement that restored growth would be the molecule that the mutant strain could not…

A: Introduction: Mutant strain grew on insignificant medium with amino acids, mutants should not have…

Q: Question:- Define the bacterial categories that each type of bacteria belongs to. You only have to…

A: Microbes, which are tiny and nearly invisible, have had a huge influence on society since the…

Q: What is pseudoknot?

A: RNA(ribonucleic acid) is a type of nucleic acid like DNA(deoxyribonucleic acid) which plays an…

Q: What are the features of the iRobot Ava 500?

A:

Q: Why were radioactive sulfur and phosphorous used to label bacteriophage in Hershey and Chase's…

A: Alfred Hershey and Martha chase did so in order to label the protein coat of virus with radioactive…

Q: Describe meselon AND STAHL'S EXPERIMENT?

A: DNA was discovered by Friedrich Meischer from the nucleus of the pus cells obtained from discarded…

Q: What does the pink band in a FTM indicate?

A: Thioglycolate broth is an enriched, and differential medium, which is used to determine the…

Q: What are denaturing conditions?

A: There are 4 types of biomolecules- carbohydrates, fats, nucleic acids and proteins. Proteins are the…

Q: What is a Conditioned cell-free medium(CCFM)?

A: Culture medium is a liquid or gel designed to support the growth of microorganisms.  There are…

Q: What is the purpose of making a serial dilution?

A: Given: In microbiology, serial dilutions (log dilutions) are used to reduce the bacterial…

Q: what is means cross-contamination in animal cell culture?

A: Biological cells can be grown and developed in laboratory conditions by cell culture techniques. It…

Q: Was LUCA likely an RNA-based or DNA-based organism? Why?

A: Answer

Q: How can the foreign protein be modified to facilitate its purification?

A: Protein purification is a progression of cycles proposed to confine one or a couple of proteins from…

Q: What is SDS PAGE?

A: Electrophoresis is the migration of charged particles under the influence of an electric current.…

Q: What is the pupose of bacterial artificial transformation?

A: Transformation is a process in which the bacteria uptakes the naked DNA into it and incorporated…

Q: How the water was saved in the kulhs?

A: Kulhs is a traditional irrigation system practiced in the hilly areas of Himachal Pradesh. Parts of…

Q: Why would it make sense for a bioprocess to have an upper specification limit, or USL, and to not…

A: Specification:The general definition is the range of expectations for a product to accomplish its…

Q: isolation and purification of bacteriophages from sewage through enrichment centrifugation and the…

A: Isolation of Bacteriophages Centrifuge the Sewage samples at 12000 x g for 30 minutes. It will…

Q: In which solution did potato cell intracellular fuild reach equilibruim with the solution?

A: * During potato experiment we can see the potato may shrink and may swell and may be in no change it…

Q: What is the Results of the fluctuation test and replica platingexperiments?

A: Mutation is defined as a change or alteration in the nucleotide sequence which in turn alters the…

Q: For what the stirred tank bioreactors have been designed?

A: Bioreactors are generally used for microbial fermentation processes. It has a headspace volume and…

Q: In the absence of Delta, why do the cells becomeunsynchronized?

A: In Delta-Notch signaling, Delta from the adjacent cell binds to notch receptor. Intracellular notch…

Q: Suggest changes needed to convert a sand particle into prokaryotic cell?

A: A cell is the basic structural and functional key of life. A cell has multiple organelles that carry…

Q: Discuss the suitability of using the PFR as a bioreactor for algae growth.

A: PFR is a physiologically active form of protein.Exposure  to red light yields physiological activity…

Q: Explain the two-dimensional gel electrophoresis (2DGE) ?

A: Based on size and charge, macromolecules & their fragments can be separated and analysed using…

Q: What are decapping enzymes ?

A: Introduction: Decapping is the process that includes the hydrolysis of the 5` cap structure from the…

Q: Explain gel electrophoresis?

A: DNA is a prerequisite for all life. It contributes to heredity, protein-coding, and the genetic…

Q: . What is the full form of RFLP?

A: Restriction enzymes are the endonucleases that cleave DNA specific locations. random DNA mutations…

Q: During the Ames test, his− bacteria are exposed to a mixture of chemical compounds extracted from…

A: The Ames test, named for its developer, Bruce Ames, is a method to test chemicals for their…

Q: Diffeence between apiculture and artificial insemination?

A: BASIC INFORMATION  ANIMAL BREEDING  It is the process of deliberately mating the selected animals .…

Q: Describe the enrichment strategy behind Beijerinck’s isolation ofAzotobacter.

A: Enrichment of culture typically attempt to come as near the climate that is reasonable for the…

Q: How would azithromycin influence quorum sensing in this bacterium?

A: The bacteria are communicating with each other by the process of qurum sensing. It helps them to…

Q: Determine the reason behind the penicillin enrichment.

A: The genes are a series of nucleotides found on chromosomes that code for a particular protein that…

Q: 3. a. Explain what needs to be considered when using "water" as part of the fermentation medium! b.…

A: To identify the microorganism, it must first be placed into a medium to commence development, and…

Q: ibed What is Shine-Dalgarno sequence? In which groups of microorganisms it is found?

A: The process of mRNA coding for a certain protein is referred to as "translation." The ribosome turns…

Q: Which step was the most effective at purifying the enzyme?

A: Purification and separation of enzymes are generally based on solubility, size, polarity, and…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.