A process that employs microbes to extract fibers from materials is called O plaiting O ginning coiling O retting O decortication

Q: The time between inoculation and the beginning of growth is usually called the: A) O lag phase B) O…

A: Provided with the correct conditions (food, correct temperature, etc) microbes will grow terribly…

Q: Some potentially pathogenic bacteria and fungi, including strains of Enterococcus, Staphylococcus,…

A: The infection that spread in the hospital settings are called nosocomial infections. Hospital is a…

Q: The agar turns pink because the enzyme produces which causes a pH change to Ammonia, alkaline OA.…

A: Urease test is performed to check the  organism's ability to produce an enzyme known as exoenzyme.…

Q: The process that most accounts for magnification is a. a condenser c. illumination b. refraction of…

A: Magnification means the image produced is more than the size of the object.

Q: ons are affected by certain factors. Which of the following is/are not affect to fixation. pH and…

A: Fixation is the preservative mechanism in which tissue is fixed to prevent protein degradation. It…

Q: how foods are lyophilized and compare the advantages and disadvantages

A: Freeze drying also known as lyophilization is a method by which water is removed from frozen…

Q: A bioreactor which is used for the production of growth factor A is operated as fed- batch culture.…

A: A Bioreactor is a device or a process system which supports and habitats the biologically active…

Q: For a successful direct staining, one should A. use a minimal amount of water to speed up the…

A: Direct staining is the process to make slides using a single stain or dye.

Q: Any process that destroys the non-spore-forming contaminants oninanimate objects isa. antisepsis b.…

A: Introduction  Bacteria can be divided into 2 categories on the base of their ability to form spore.…

Q: How might culture age affect the results of a spore stain? O If the bacterial culture is too young,…

A: Bacteria are single-celled, tiny creatures that may enter healthy tissues and grow rapidly. The…

Q: toluidine blue is a stain for O cartilage O mucins O DNA all of tham

A: Toluidine blue has been utilized in to distinguish dysplasia and carcinoma of the oral cavity.…

Q: The best description of N microscope objective lens is ....   it is concave    it is scattering…

A: The objective lens is the lens which lies very close to the specimen to be observed. However, apart…

Q: Drugs are extracted from body fluids and tissues bycarefully controlling the ___________ of the…

A: Extraction of drugs from body fluids and tissues plays a major role in criminalistics.

Q: Description of Classification Guard Cells Direction of Consequence Water Movement Medium of Medium s…

A: Here, we have to write the effect of varying salt concentration on guard cells. Considering that…

Q: A microbicidal agent has what effect?a. sterilizesb. inhibits microorganismsc. is toxic to human…

A: Microbicidal is the biocidal compound that used to reduce the infectivity of the microorganisms such…

Q: Sanitization is a process by whicha. the microbial load on objects is reducedb. objects are made…

A: Pathogens including bacteria and viruses are distributed in every environment on the earth. There…

Q: When culturing microorganisms, you must ensure you work to prevent unwanted contamination.  In doing…

A: Given: When culturing microorganisms, you must ensure you work to prevent unwanted contamination.…

Q: A cell is 25 μm wide when viewed at 1,000× magnification. Thismeasurement can also be written…

A: 1,000× magnification means that to the naked eye, the image would appear 1000 times larger than it…

Q: Using a light microscope, samples can be viewed by which method (choose all that apply) O dissecting…

A: An optical microscope is another name for a light microscope.

Q: During the preparation of a routine H&E slide, how is the tissue preserved? A Fixation В Embedding…

A: H& E slide : Hematoxylin and eosin slide . Steps to prepare the slide for microscopic…

Q: During Boxidation, which of the below can only be formed in the presence of H0? OA CH,…

A: Lipids are macromolecules that are mainly water-insoluble molecules. They are not polymers like…

Q: Transparent double-sided dishes used for growing microbes are most commonly called A) Petri dishes.…

A: The micro organisms are grown in specific containments for identification of the characteristic…

Q: Which of the following is NOT a chemically definable component in culture media? a.Sheep's blood…

A: A chemically defined media is a culture medium for microorganisms or animal cells (even human cells)…

Q: If you have a substance that you wish to sterilize (without destroying), and that substance is…

A: Introduction Any procedure that eliminates, eradicates, or renders inactive all life…

Q: Motility is best observed with a a. hanging drop preparation c. streak plate b. negative stain d.…

A: Motility is the ability of bacterial cells to migrate from one location to another. The flagella…

Q: wrinkle of tissue inside thev section * because of drawing of dehydration solution is not compeletly…

A: Introduction  Histology is a field of biology that investigates the structure and composition of…

Q: drying at critical point It is used in scanning electron microscopy O true false

A: Introduction: The critical point drying approach is an effective way to dry sensitive materials for…

Q: Spread plating_is used to sterilize the spreader or Lrod: a. Ethanol bHeating over flame C.…

A: Spread plate technique  is used to isolate bacteria . It is a microbiological technique .

Q: The specimen for an electron microscope is always a. stained with dyes c. killed b. sliced into thin…

A: Electron microscope: It is a microscope which obtains a high-resolution image of non-biological as…

Q: Which one of the following bacteria helps in improving the soil fertility?   A.  ClostridiumB.…

A: Soil fertility increases due to the presence of nitrogen-fixing bacteria. They help in converting…

Q: To prepare nutrient agar medium, you have to pour approximately. mL of medium into the Petri plat a.…

A: A patri dish is a normal in which is used for the growth of bacteria and other microorganisms. it is…

Q: Which of the following occurs when a biofilm (or a part of it) begins to starve or experiences…

A: Biofilms These are defined as the collection of one or more types of microorganisms which can grow…

Q: Microscopic samples can be stained. the stains are used to increase and improve O resolution and…

A: Staining It is defined as a technique through which the cells or thin sections of biological tissue…

Q: Which of the following is not an aim of fixation? A. To prevent putrefaction B. Remove excess…

A: Tissue fixation is one of the steps of sample preparation for the observation under an advanced…

Q: Microbes that can be grown on agar petri dish include

A: For any microbe, to survive they need suitable environment,food and water. Here agar Petri dish…

Q: gamsas stain its mixture if two stains O true O false

A: Giemsa stain  named after German chemist and bacteriologist Gustav Giemsa, is a nucleic acid stain .

Q: Which of the following is used in the sterilization of the medium? a) benmarge b) swab c) autoclave…

A: Sterilization is the process of making something (instrument, swab, room etc. ) free of microbes…

Q: What type of medium is best used to maintain a preserve specimen before clinical analysis? A.…

A: A growth or culture medium is solid, liquid or semi solid in nature that is used to support the…

Q: In absorption spectrophotometry: a. Absorbance is directly proportional to transmittance b. Percent…

A: Atomic absorption spectroscopy (AAS) depends on the rule that free molecules in the ground state can…

Q: A SAB agar plate is exposed to air for 30 minutes and then incubated. The 10 colonies which grew on…

A: Sabouraud Dextrose Agar (SDA) is used for the isolation, cultivation and maintenance of…

Q: household bleach reduces microbes because it is a member of what group of chemicals? a. halogen b.…

A: Small organisms that are not visible to naked eyes are called microbes or microorganisms.  It…

Q: list sevral branches of science that might be involved in cleaning up an oil spill.

A: There are several techniques for cleaning up oil spills. These include using oil booms, usage of…

Q: Glucose is added to the tissue culture media as a/ana) Carbon sourceb) Growth regulatorc)…

A: Culture medium or growth medium is a fluid or gel intended to help the growth of microorganisms.…

Q: During the preparation of a smear leading into simple staining of the bacterial culture S.…

A: S. epidermidis is a gram-positive bacteria.

Q: Plaster scissors have spring lever to Cutting gypsum products To make the handle always divergent…

A: Plaster scissors are used to cut plaster, gypsum products, and tough dressings. Plaster dressing is…

Q: The gram stain is a ______________ stain in which a decolorization step occurs between the…

A: Gram stain is a popular microbiological staining technique for identifying and characterising…

Q: The microscopic preparation of the tomato pulp cells was O wet mount and temporary. O wet mount and…

A: Microscope is an optical instrument which has major application in visualizing very small to…

Q: Endospores are very resistant to heat, drying, radiation and chemicals. True False

A: Introduction An endospore is a non-productive structure which is dormant and tough and is produced…

Q: A scanning electron microscope O allows the study of living specimens. O has limited resolution. O…

A: Microscope is an optical instrument which has major application in visualizing very small to…