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: Approximately how many genes are necessary for amicrobial cell to have a free-living existence?
A: The minimal genome concept aims to explain the presence of only the essential genes in the genome in…
Q: What is LUCA, and what is a plausible explanationfor the origin of cellular life?
A: LUCA stands for the last universal common ancestor or last universal cellular ancestor also called…
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 is the size of E. coli bacteria? What cellular organelle(s) are of a similar size to E.coli?…
A: Escherichia coli This is a Gram negative bacteria. It is a facultative anaerobic with rod shape…
Q: How was it determined that DNA resides in the nucleus of eukaryotic cells?
A: Cell is the structural and functional unit of life. The cell forms the basis of life. Inside the…
Q: What is pseudoknot?
A: RNA(ribonucleic acid) is a type of nucleic acid like DNA(deoxyribonucleic acid) which plays an…
Q: What is Ti plasmid ?
A: The biochemical molecule that is built up with “two polynucleotide chains” is called…
Q: What step is necessary prior to inserting a new peptidoglycan subunit into a growing cell wall?
A: A majority of the Bacteria domains contain a semi-rigid cell wall called Peptidoglycan. It is a…
Q: How are cells formed in de novo from aboitic materials?
A: A cell is a structural and functional unit of life. The structure and function of a cell have been…
Q: Why do microbiologists use cultured plates with 30 to 300 colonies used for calculations? 2. Why…
A: 1. Microbiologists generally used cultured plates with 30 to 300 Colonies for calculation purposes.…
Q: From where are micromeres derived? Why are they smaller than macromeres? (min. 5 sentences)
A: The micromeres of the indirect‐developing euechinoids are framed at the vegetal pole by a…
Q: How can we steralize Animal cell in culture?
A: Sterlisation is the process of removal of any microorganisms present in vegetative or spore form.…
Q: What is the motive behindGenome Project 10 K?
A: A complete set of chromosomes / genetic data required by an organism to function fully is called as…
Q: Yes or no? Does hydrogen peroxide used for permrabilizing tissues for riboprobe entry ? Does…
A: No, Aldehyde is used for this purpose.
Q: What are some basic structuralfeatures of prokaryotic cells?
A: A cell is a small self-contained unit within whole organisms. It is the smallest unit of the body.…
Q: How do hypertonic environments negatively affect most bacterial cells?
A: Bacteria are prokaryotic, single-celled organisms lacking nucleus as well as other membrane-enclosed…
Q: What advantage do quorum-sensing systems confer onbacterial cells?
A: Quorum sensing is a way of communication between cells. It is a signaling pathway. Quorum sensing is…
Q: How Are Proteins Isolated and Purifiedfrom Cells?
A: Proteins : It is a naturally occurring, extremely complex substance that consists of amino acid…
Q: What is microsleep?
A: Sleep is a state our body requires to rejuvenate and to do the regular activities normally. It is a…
Q: What are the kinds of microtome with their corresponding type of embedding medium?
A: A microtome is a cutting tool that creates incredibly tiny material slices called sections.…
Q: What is bioluminescence?
A: Luminescence is the spontaneous emission of light by a substance not resulting from heat; or "cold…
Q: How does FtsZ find the cell midpoint of a rod-shaped cell?
A: Step 1 Filamenting temperature-sensitive mutant Z (FtsZ) is a protein encrypted by the ftsZ gene. It…
Q: How does a rod-shaped bacterial cell differ morphologically if its MreB function is disrupted?
A: MreB protein is similar to actin protein of eukaryotes. It helps in determination of cell shape and…
Q: ow do bacteria reproduce and transfer genetic materials?
A: Genes are the smallest and most fundamental unit of heredity since they convey genetic information…
Q: In regard to taxonomic classification of bacteria, what is the relationship between physiological…
A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…
Q: How to stain yeast plasma membrane?
A: since the plasma membrane is a unit membrane [lipid bilayer], it is indeed a tough task to stain it.…
Q: A common step in the isolation of cells from asample of animal tissue is to treat the tissue with…
A: A combination of trypsin and EDTA is often used to dissociate cells and tissues. Trypsin is a…
Q: How would you use cytometric cell sorting toevaluate genome sequence variation among a…
A: Flow cytometry is a widely used method for analyzing the expression of cell surface and…
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 are the two regulatory mechanisms that govern the replicative capacity of cells growing in…
A: In vivo refers to when research or work is done with or within an entire, living organism. Examples…
Q: How are competent cells prepared in transformation?
A: Competent cells are the one those have cell membrane which are more permeable than normal cells so…
Q: What makes platinum replica EM more desirable than conventional SEM and TEM (address both,…
A: Structural studies are needed for a better functional understanding of biological principles. It…
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: Q Is an endospore still the same bacterial cell?
A: The production of the dormant, tough, and non-reproductive structure is one of the characteristic…
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: How is a plaque similar to a bacterial colony? 3
A: The bacteriophage viruses replicate and spread over a cell culture by producing cell destruction…
Q: What are the physical barriers of a cell in the protoplast fusion experiment ? How are the barriers…
A: In a protoplast fusion experiment, two cells are fused together to obtain a single fusant cell.…
Q: What is a plasmid?
A: Prokaryotes are the less advanced organism as compared to the eukaryotes. They don't have well…
Q: What is the distinguishing feature that identifies prokaryotic from eukaryotic cells?
A: On the basis of organization of DNA, cells are classified into two types - prokaryotic and…
Q: What is required for a bacteriophage T4 virion toattach to an Escherichia coli cell?
A: T4 bacteriophage is the well-studied member of Myoviridae, the most complex family of tailed phages.…
Q: Where did the fluid mosaic name come from in cell membranes?
A: The cell membrane can also be called the plasma membrane. It is present in all living cells.
Q: What structure in the cell is the target for fluorescent probes inphylogenetic FISH?
A: The hereditary unit of an organism is the DNA (deoxyribonucleic acid). The fluorescence in situ…
Q: How many colonies are present in this plate?
A: Microbiology is the study of microorganisms and associated topics. Microbiology has gone a long way…
Q: PLS ANSWER ALL 1. Why were nuclei being unstained when you used eosin? 2. Aside from H&E, what…
A: Staining is a technique which is used to find different parts in the cell while observing under a…
Q: • How are single cells isolated from a mixed population?
A: Individual cell heterogeneity inside a populace can be basic to its exceptional capacity and…
Q: What is bioluminescence? Describe its mechanism and its importance
A: Answer: Luminescence : It is the emission of light from a substance that is caused by any chemical…
K562 is a cell line of human chronic myelogenous leukaemia initially obtained from the bone marrow of a 53 year old female. Cell line is defined as a culture of a single type of cell that can proliferate indefinitely in optimum conditions. It is different from a cell strain as they can be immortalized.
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