Q: a. What is the important of subculture in animal cell culture? And explain how do yo do subculture?…
A: Subculture: A subculture is a new cell culture or a microbiological culture created by transferring…
Q: review the case scenario uploaded in the photo. in your own words: a) write a hypothesis for…
A: Microbiology is the branch of biology that deals with study of organisms that are too small to be…
Q: A subculture is a a. colony growing beneath the media surface b. culture made from a contaminant c.…
A: We make subculture from a plate where many different colonies of bacteria are growing.
Q: Which of the O Microbe C O Microbe D O Microbe E
A: Beta-hemolysis:- Is a Complete lysis of red blood cells in the media around and under the colonies…
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: Microorganism A was exposed to different constant temperatures to get the specific D- values.…
A: The Z-VALUE is the boom or decrease in temperature required to lessen or increase the decimal…
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: BACTERICIDAL LAMPS OPEN TYPE DO NOT USE IN THE PRESENCE OF PEOPLE BECAUSE 1. when the bactericidal…
A: Germicidal lamps are the UV lamps, which are used to kill any germs like bacteria etc. to sterilize…
Q: Compared with their growth in the laboratory, bacteria innature generally growa) more slowly.b)…
A: MICROBIAL GROWTH MEDIA- It is the culture media that serves as a nutrient media for the growth of a…
Q: Choose the combination of answers that most accurately completes the statement.Microbe(s) that…
A: The unicellular minute organisms which are not visible from the naked eye are known as microbes.…
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: Microbe(s) that is/are the target(s) of pasteurization include(s)a. Clostridium botulinum b.…
A: A microorganism is a microscopic organism, which may exist in its single-celled form or in a colony…
Q: 4. A chemical sterilization procedure is found to destroy the indicator organism B. şubtilus with…
A: Sterilization is the process which involves destruction of all microorganisms (bacteria, fungi,…
Q: Viruses were first described as “filterable agents” meaningthat(a) They were often discovered on…
A: Viruses were first described as “filterable agents” meaningt that (c) They would pass through…
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: Bacteria are not used as probiotic agents. True O False The growth of bacteria that form endospores…
A: Bacteria are prokaryotic microorganisms. Bacteria are ubiquitous in nature and are found almost in…
Q: commercial sterilization is designed to provide enough heat to destroy the endospores of what…
A: It refers to any process that removes , kills or deactivates all forms of life particularly…
Q: UV light is able to damage bacterial cells by:a. preventing mitosis b. damaging DNA c. dissolving…
A: UV stands for Ultraviolet rays. These rays kill bacterial cells.
Q: Which bacterium does not have gelatinase enzymes O A. Staphylococcus aureus B. Bacillus subtilis O…
A: Gelatin hydrolysis test is used to identify the bacteria which can digest or degrade the gelatin by…
Q: The process in which all organisms and pathogens are destroyed is called ------. a) Disinfection…
A: Microbes are responsible for various diseases in humans as well as animals.Microbes and pathogens…
Q: The broth culture of Bacillus subtilis showed growth even after extended heating in a waterbath,…
A: Bacillus subtilis is a gram-positive and rod-shapes bacteria commonly found in soil and digestive…
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: In dental offices, the instruments are cleaned in a supersonic bath, then sterilized using UV…
A: UV light - non-ionizing radiation. The penetration power is less. It is a physical mutagen and…
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: Describe (at the cellular level) how detergents like roccal and SDS (from solution 2 in the plasmid…
A: Plasmid extraction is the molecular technique to isolate plasmid DNA from a bacteria. This process…
Q: "Sterilisation is defined as the process by which all-living cells, viable, spores and virus are…
A:
Q: Write a paragraph explaining the Gram stain result and the differences in the endospores of these…
A: The Gram staining procedure is used to classify bacterial species into two broad groups namely…
Q: 4. The Gram stain, if the decolorizing step is deleted, gram-negative cells will appear at the…
A: Decoloriser in gram staining method is to dehydrate the peptidoglycan layer of the cell wall causing…
Q: A pure culture is........... A. A culture of three to four different organisms B. A culture of one…
A: Culture in microbiology is spread of microorganisms in a medium of development . Per body tissue or…
Q: TRUE OR FALSE 1. The antheridium of a moss could be seen as a whole mount at 100x magnification.…
A: Question 1 true The size of moss is about 1 to 2cm and the antheridium is about 2mm 100x power…
Q: The MIC is the of a drug that is required to inhibit growthof a microbe.a. largest concentration b.…
A: Answer: Introduction: MIC stands for Minimum inhibitory concentration. The MIC, or minimum…
Q: ist 5 products of industrial microbiology and for each product, (A)give information about the…
A: The study of very small creatures such as bacteria, viruses, archaea, fungus, and protozoa is known…
Q: suffering severely due to alkaloid production a
A: Plants have an important source of life-saving medications where it is used in two ways such as…
Q: Why might gram positive bacteria incorrectly appear to be gram negative after the gram staining…
A: Gram staining is a procedure which is used to identify whether the bacteria being tested in gram…
Q: Biofilm formation begins when microbes attach to a surface using their. A. Cell Wall B.…
A: Biofilms are microbial cells that have clustered together on a surface. It is joined together by…
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: Need help Which of these could be used to measure the number of live bacterial cells in a liquid…
A: Bacterial cultures are used to grow the bacteria in a specific environment. A bacterial culture…
Q: 12. A differential media a) allows visual distinction between bacteria to perform a specific…
A: The cells are classified as unicellular and multicellular. The unicellular cells are known as…
Q: Which of the following is not one of the six “I’s”? a. inspection d. incubation b. identification e.…
A: Microbes: Microbes are not visible to the naked eye and they grow in complex associations.…
Q: Bacillus subtilis and Bacillus cereus most likely showed greater resistance to UV light than…
A: When some of the microbes are exposed to UV lights they will get killed. The more the time and the…
Q: Suppose when you are performing a Gram stain procedure, you hav reversed the order of crystal violet…
A: A) E.coli it is a gram negative bacteria. Strain red or pink due to retaining the color staining…
Q: Which of the following is a limitation of the autoclave? a) Long length of time required for…
A: Answer- In research the use of contamination free equipments is mandatory. The main apparatus used…
Q: Transfer of Culture from Agar Plate to Agar Slant
A: The bacterial colonies of interest, after they are isolated from a particular source, need to be…
Q: B. Match the following. A. Killing all bacteria on medical equipment via autoclaving 1. Sanitization…
A: Sterilization methods involve all those methods that aim to remove all the live, dead cells or…
Q: Microorganism A was exposed to different constant temperatures to get the specific D- values.…
A: The z-value is a measure of the change of the D-value with varying temperature, and is a simplified…
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- The most versatile method of sterilizing heat-sensitive liquids isa. UV radiation b. exposure to ozone c. beta propiolactone d. filtrationChoose the combination of answers that most accurately completes the statement.The most versatile method of sterilizing heat-sensitive liquids is a. UV radiation c. beta propiolactone b. exposure to ozone d. fi ltrationChoose the combination of answers that most accurately completes the statement. The most versatile method of sterilizing heat-sensitive liquids is a. UV radiation c. beta propiolactone b. exposure to ozone d. fi ltration
- The culture medium that contains penicillin is a type of ________media. A. Complex B. Reducing C. Differential D. Selective E. Chemically definedIn the streak plate method, what is the best way to ensure that the loop is cool, after it has been flamed a. no need to cool b. Touch the loop to an uninoculated area of the plate c. Touch the loop to your finger to determine the temperature d. Touch the loop to an inoculated area of the platePulverizing dry ingredients into a fine powder is called Select one: O a. penetrating O b. levigating O c. suspending O d. homogenizing
- Which of the following would be best for sterilizing a pre-sealed case of plastic medical supplies? A. Autoclave B. Ionization Radiation C. Sonication D. Nonionizing RadiationPut the numbers in the space provided to indicate the order of Capsule Staining. If the statement is not part of the process, put 0. a. Put a loopful of bacteria to the slide. b. Air dry then heat fix the slide. c. Add crystal violet to the slide. d. Add congo red to the slide. e. Apply ethanol.In spread plate method, inoculating loop is used to spread bacteria from the inoculation site. For quadrant streaking, the loop must be flame sterilized between quadrant streaks. a. First statement is TRUE, Second statement is FALSE. b. First statement is FALSE, Second statement is TRUE. c. Both statements are TRUE. d. Both statements are FALSE.
- 1-The method of sterilizations we used in the tissue culture lab a. Fumigation b. Filtration C. Autoclave d. Sun lightWhat type of medium is best used to maintain a preserve specimen before clinical analysis? A. Enriched b. Selective c. Differential d. Reducing e. NutrientBlood agar contains intact sheep red blood cells which are used to determine if a microbe has the ability to lyse these cells. This agar is properly termed A. a selective differential medium B. a complex medium C. a differential medium and a complex medium D. a selective medium