What scientific development was a crucial initial step to enhancing our knowledge of virus structure? A.) Development of new microscopy stains. B.) Invention of the electron microscope. C.) Development of DNA sequencing techniques.  D.) Discovery of antibiotics. E.) Publication of Koch's postulates.

Q: In 2004, Hurricane Frances submerged several Caribbean islands, killing all of the brown anole…

A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…

Q: How might a bacteriophage be used to treat bacterial infections in humans?

A: INTRODUCTION Bacteriophages These are the viruses that kills bacteria.

Q: Match the reagent with technique. Answer all for upvote Recombinant DNA technology a.)…

A: Recombinant DNA technology is a technology in which a set of techniques are used which enables the…

Q: The discovery and mass-production of antibiotics has triggered a revolution in medicine, decreasing…

A: The discovery and widespread use of antibiotics have revolutionized the field of medicine, enabling…

Q: How might the work of anthropology help NOW in terms of stemming the delta variant and other…

A: There is a large number of increase in infections due to delta variants and it even caused large…

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: Reverse transcriptase does not catalyzea) RNA-dependent DNA synthesisb) RNA degradationc)…

A: Transcriptase is the enzyme which helps in transcription. Transcription is the process to synthesise…

Q: You have discovered a new species of archaea from a hot spring in Yellowstone National Park.  After…

A: In prokaryotes, the genome consists of a single DNA molecule. These genomes are much longer than the…

Q: 27. Match the following three words to its correct definition.  a.) Transformation b.) Transduction…

A: The horizontal gene transfer is the process of transfer of DNA from one organisms to another without…

Q: Which of the following statements about viruses is false? a. Viruses require a host cell to…

A: A virus is a submicroscopic organism which contains genetic information surrounded by a protein…

Q: In the process of transformation 1) cells take up DNA from their environment 2) DNA is transferred…

A: In transformation, the competent cells are made in which the cells are treated with chemicals or…

Q: frederic griffith used the word transformation to describe the changes in bacteria that he observed.…

A: Frederic Griffith was a British bacteriologist whose experiments proved the existence of a…

Q: Alfred Hershey and Martha Chase performed experiments to show that A: the genetic material was DNA…

A: DNA is the organic molecule that carries information from one generation to another. Several…

Q: Modern biotechnology started with the discovery of A the structure of cells B the antibacterial…

A: All living beings have cells, which are the most basic fundamental unit of life. Cells are…

Q: What is the function of a vector?a) Destroys cells that do not contain cloned DNAb) Allows cells to…

A: Deoxyribonucleic acid can be defined as the molecule that is composed of two polynucleotide chains…

Q: Plasmids are circular extrachromosomal DNA in bacteria that play a role in:       d. degradation…

A: Plasmids are extrachromosomal circular DNA inserted within bacteria which provide certain advantage…

Q: Design an experiment to produce bacteria resistant to the antibiotic’s ampicillin, streptomycin, and…

A: Creating antibiotic-resistant bacteria involves genetic modification, which is done using modern…

Q: What is the significance of Pasteur’s experiment to test the germ hypothesis? a. It proved that…

A: There are some living organisms that cannot be observed by the naked eye and only can be seen under…

Q: You discover a microbe that you believe is the causative agent of a new disease. Using Koch's…

A: Microbiology is the study of microorganisms and associated topics. Microbiology has gone a long way…

Q: n Hershey and Chase’s experiment investigating which biological molecule carries genetic…

A: Hershey and Chase studied cells of the intestinal bacteria ie E.coli after injection by virus T2.

Q: What do genetic engineers use to create the “sticky ends” needed to splice two fragments of DNA…

A: Sticky ends are also called as cohesive ends. These ends are produced in a DNA fragment when a…

Q: Transformation of mammalian cells with viruses and obtaining mammalian cells harboring the virus is…

A: Viral transformation refers to the alteration in the phenotype, growth, and indefinite reproduction…

Q: A gene that is essential to the existence of a bacterium (e.g., the 16S rRNA gene) would most likely…

A: Accessory genomes are genomes acquired by bacteria through horizontal transfer of genetic elements…

Q: Viruses are made of: a.) nucleic acid and DNA b.) Nucleic acids and proteins c.) proteins and…

A: Introduction  Of all the microorganisms, viruses are the tiniest. According to some estimates, 500…

Q: Which of the following is a reason that scientists do not classify viruses as living things? A.…

A: Qusstion - Which of the following is a reason that scientists do not classify viruses as living…

Q: Biological computers will be developed using_______.a) Bio sensor b) Gene c) Bio-Chips d) Enzymes

A: Biocomputer production has been made possible through the application of emerging nanobiotechnology…

Q: 21) Difference between DNA and RNA 22) PCR 23) RT-PCR

A: Nucleic acids are biomolecules that play important roles in the storage and transfer of genetic…

Q: In Hershey and Chase’s experiment investigating which biological molecule carries genetic…

A: In Hershey and Chase’s experiment, the protein coat was labelled with radioactive sulfur and the DNA…

Q: y is DNA ligase so important in recombinant DNA technology? a.) It causes DNA to make multiple…

A: Recombination is the process of breaking and recombining fragments of DNA to create new allele…

Q: There may be more than one correct answer The ability of DNA to denature is important for which of…

A: DNA has double stranded structure.The process of breaking down double stranded DNA into single…

Q: In DNA-DNA Hybridization, sequences from two separate organisms that show partial hybridization…

A: DNA-DNA hybridization is the process of hybridization of genetic information between two different…

Q: ____________ is so vast and has great scope for different fields like agriculture, medicine, food…

A: Biology is the branch of science which deals with the study of living organisms. Bio means living.…

Q: Which of the following can be used to grow and study viruses?   A. embryonated eggs   B. living…

A: Virus are infectious particles having nucleic acid [DNA or RNA] surrounded by a protein coat. They…

Q: Which of the following would be a good application of plasmid transformation? 1) to make copies of…

A: The plasmid is a small, circular DNA molecule of two strands that differs from chromosomal cell DNA.…

Q: 8) Capillary electrophoresis involves a) Fragmentation of the DNA strands b) High resolution…

A: Capillary electrophoresis is an experimental methodology that provides an applied voltage to…

Q: Could bacteriophages be used to combat bacterial diseases?

A: Bacteriophages cause bacteria to rupture or lyse, resulting in their death.

Q: Are viruses alive? Explain your answer by citing proofs that will support your answer to the…

A: Viruses are not made up of cells. A single virus particle is called virion and is made up of set of…

Q: What analogy can be used to help explain the risks associated with antibiotics? Describe in an…

A: Antibiotic are the pharmacological formulations that are used against the bacterial infections.…

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: e. coli is commonly found in the human Microbiome. while most strains are harmless some can cause…

A: E. coli, also referred to as Escherichia coli, is a type of bacteria that is prevalent in the human…

Q: The first nucleic acid synthesizing enzyme discovered isa) Polynucleotide phosphorylaseb) DNA…

A: The nucleic acid is synthesized by the triphosphate nucleotide precursor it may be  DNA or RNA…

Q: Who declared "Omnis cellula e cellula"? a. Zacharias Janssen b.Anton van Leeuwenhoek c.…

A: Science may be a methodical endeavour that usually state to known as to create and organises…

Microbial Isolation

Isolation of the microorganisms in microbiology is the process of developing a pure culture by separating one species of microbe from a mixture of many other species. A pure culture is a culture that contains only one species of microbe.