What is the fraction of light emitted by a fluorophore that will be transferred to the detector? A.20 à 30% B.40 à 50% C.5 à 10 % D.98 à 99%

Q: The following is true of a magnetosome? a. they are responsible for the heat resistance of…

A: Magnetosomes are intracellular organelles found in magnetotactic bacteria. They are composed of…

Q: A disadvantage of using UV light to control microbes is: '. a. it produces irritable ozone b. it has…

A: UV rays are ultraviolet rays. These rays produce thymine dimers and disrupt DNA.

Q: The contact time inactivation value at 1 ppm level of chlorine and a pH of 7.5 for Cryptosporidium…

A: In water treatment processes, the inactivation of pathogens such as Cryptosporidium is a crucial…

Q: In a viable plate count, each _________ represents a  _________fromthe sample population.a. cell,…

A: In microbiology, there are several methods to enumerate bacterial count in a particular sample. The…

Q: What technique can be used for studying the gene for cystic fibrosis

A:

Q: _______________________ refers to chains of spherical bacterial cells whileclusters of spherical…

A: Some living organisms cannot be visible by the naked eye and only can be seen under the microscope.…

Q: Why are endospore vials used to test autoclave function?   A. they change color when killed B. they…

A: The whole Earth is full of a lot of organisms. Unicellular and multicellular organisms inhabit the…

Q: 70.1- Graptolites colony increases by Select one : a , budding b.rubbing C. colonies d . connecting…

A: Graptolites or graptolithina is a subclass of pterobranchia. They are colonial animals and usually…

Q: briefly explain a. K-Mer b. B ion c. HDR

A: In molecular biology various mechanisms and terms are used to carry out the processes.

Q: A narrow spectrum antibiotic against Gram –‘s might target the ____________ whereas narrow spectrum…

A: In Gram positive bacteria, gram stain retains long time after wash but in gram negetive bacteria…

Q: Best Amyloidosis special stain in sunny areas? a. Congo Red O b. Pagoda Red O c. Crystal Violet d.…

A: Staining is a technique by which microorganisms and cells are stained by dye so they can visible in…

Q: Bt stands for A. Biotechnology         B. bacteria tolerant C.  Bacillus thuringiensis…

A: With the growing population, the demand for the production and in agriculture is increasing to its…

Q: Which of the following oxygenic phototrophs are believed to have generate the majority of oxygen gas…

A: Phototrophy is the process by which light energy is captured and transformed into chemical energy…

Q: In an experiment Staphylococcus, streptococcus and enterococcus are bacteria that are stained dark…

A: Introduction:  The bacteria are classified on the basis of staining as gram-positive and…

Q: Select the correct answer from the answers provided. In a viable plate count, each ch represents a a…

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

Q: If you plated 0.1mL of a 1:100 dilution of phage stock onto a plate with an E.coli lawn, what is…

A: In microbiology lab dilution factor represent the solute vs solvent ratio for making the the culture…

Q: In animal cells, is used to distinguish between living and dead cells when counting. Select one: a.…

A: Introduction:-  Trypan blue is a dye that is used to count live cells by identifying only dead…

Q: Dr. Rodo and is colleague Mr. Simms were studying the effect of a particular herbacide on the…

A: Microscope: An instrument which is being used in laboratory for examining those things which are not…

Q: What is the decolorizer for the spore stain?

A: Spore Staining is a technique used in microbiology to differentiate vegetative cells and…

Q: Which process is occurring in these bacteria?     A. transduction   B. transformation   C.…

A: Microbes are able of exchanging hereditary material through different mechanisms, permitting them to…

Q: Where is a counting chamber located? Tiefe Depth Profondeur 0,100mm Neubauer improved A SLW 0,0025…

A: A hemocytometer is a device which is used to count cells using a microscope for blood samples  or…

Q: A photoreceptor is a ______________; an example is

A: A photoreceptor is a specialized type of sensory receptor that responds to light. It is composed of…

Q: Assume that you have been given the job of developing a colony ofgerm-free chickens.a. What will be…

A: Germ-free animals as the name suggests are the microorganisms free animals. These animals are grown…

Q: The bacterium Dontuplodemeus tocheggus has a generation time of 20 minutes. Starting with one cell…

A: Bacteria are a family of rod-shaped bacteria that are often found in soil or water. They are known…

Q: which of the following are visible to the naked eye? A. plica circulars B. microvilli C.…

A: Human anatomy is considered the study that deals with structures in the human body. The structure of…

Q: is a culture in which the Question 2. cells have undergone genetic modifications that allow them to…

A: Cell line is a general term that applies to a defined population of cells that can be maintained in…

Q: If I have isolated 200 cells of Holsappleus scarius at a generation time of 12 hrs. how many will i…

A: ANS: d. 3200     Explanation: bacteria growth after n generations =2number of generations x initial…

Q: Bacteria may be Gram + or Gram - due to their difference in staining. This stain is significant to…

A: Gram staining is one of the most common methods of staining used to classify bacterial species into…

Q: QUESTION 1 Picture 1 Pic. 1: Name one genus/species from the fungi we studied that might be growing…

A: Fungi are Eukaryotic organism that can be one cell or many celled .  Fungi is classified into :-  I…

Q: hen you try to count yeast cells in the elect one: Oa. 10x O b. 4x Oc. 40x O d. 400x

A: Since you have asked multiple questions , we will solve the first question for you. If you want any…

Q: Define the following terms: a. CFTR b. ApoE4 c. LDL receptor d. clathrin e. Na+–K+ ATPase

A: As per the honor code, we answer only three subparts at a time. Therefore we are answering the first…

Q: The yeasts whose fermentation activity produces thecarbon dioxide that makes bread rise are a .a.…

A: Introduction :- Ascomycetes, often known as sac fungi, are one of the most varied fungal groups,…

Q: 1. Reagent use to stop mitosis in metaphase? a. Phytohemaglutinin b. Colcemid c. Both d. None 2. How…

A: Mitosis is a process in which a cell replicates its chromosomes and divides them, producing two…

Q: What is the role of Sodum Dodecyl Sulffate in DNA isolation? A. Precipitate DNA B Make the…

A: DNA isolation is process of extraction of DNA from the cells of an organism using biological samples…

Q: Graptolites colony increases by Select one Juippnq e b. rubbing C. colonies d.connecting Clear my…

A: Graptolites were colonial animals that lived in a tube structure that was interconnected.

Q: Which of the following is not an inhibitor? a. CO b. Magnesium ion c. sulfa drugs d. cyanide e.…

A: Introduction: Inhibitors are compounds that reduce the rate of chemical reactions. It can also act…

Q: Define the following terms: a. BH4 b. PRPP c. CBS d. CSE e. quinonoid intermediate

A: BASIC INFORMATION  ENZYMES They are the catalyst. They help in accelerating the chemical reaction.…

Q: A 5mL sample diluted 1:1 with trypan blue is counted using a hemocytometer. A total of 325 viable…

A: The hemocytometer is a counting chamber device originally designed and usually used for counting…

Q: Which term best describes an antibiotic that kills only gram-positive bacteria?   A. Narrow Spectum…

A: Ans- Narrow Spectrum best describes an antibiotic that kills only gram-positive bacteria.

Q: Why are staining methods used in microbiology? Choose all that apply A. Staining results can have…

A: Staining is the course of coloring of a substance artificially to work with assessment of tissues,…

Q: Starting with a single bacterial cell at time zero, assuming binary fission every 20 minutes, how…

A: Binary fission is a type of asexual reproduction typically observed in prokaryotes and a few…

Q: Propose an outline on how you would isolate caffeine from tea leaves. It should look like this: A.…

A: Caffeine is found in tea, coffee, and cola. It stimulates the brain and CNS. it is a stimulant of…

Genetic analysis

Genetic analysis refers to the process of studying and analyzing changes in chromosomes or genes using different methods in scientific fields such as genetics and molecular biology. It involves the localization and identification of genes and the detection of inherited or genetic disorders caused by mutations or other abnormal variations in our genome.