1. Can culture media be sterilized in the hot air sterilizer? Why or why not?

Q: Briefly define culture medium.

A: Microbiology is the branch of science which deals with the study of microorganisms like, bacteria,…

Q: A swab for culture is received from a doctor's  office. The staff forgot to mention the source from…

A: Introduction Microbiology is the branch of science that deals with the study of different types of…

Q: Blood agar media  is a _________.   Selective media Differential media Rich media Enriched media…

A: A medium can be defined as gel or liquid which helps in growth of a bacterial culture. Medium is…

Q: The thermal death point is best described as:(a) The highest temperature that will support growth of…

A: BASIC INFORMATION  MICROBES  They are the unicellular organisms which can not seen by naked eyes…

Q: Does the image above represent a pure culture? Yes O No

A: Answer- No

Q: 2. The following is an incomplete schematic diagram for the isolation procedure used. Label each…

A: Isolation of Micro organisms -- Introduction --The term isolation is defined as separation of a…

Q: 1. Explain why the following steps are essential during sub-culturing: a. Flaming the inoculating…

A: Agar is formed by two components, agarose, and agaropectin molecules. Agar is used as culture media…

Q: The mechanical removal of microbes from a limited area of living tissue is referred to as -- a.…

A: Control of microbial propagation is very significant in medical, pharmaceutical, food industries,…

Q: An obligate halophile requires higha. pH b. temperature c. salt d. pressure

A: There are many kinds of microbes that live in a variety of environment like salt, under high…

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: 1. What is the difference between quadrant streak method A from method B? 2.  Why do we use a…

A: Introduction :  Microbiology is the branch of biology that specialises in studying microbial life.…

Q: The most versatile method of sterilizing heat-sensitive liquids isa. UV radiation b. exposure to…

A: Sterilization is a process of removing or killing or deactivating mostly all forms of life present,…

Q: Define selective media and explain when you would use it.

A: Media is any liquid or solid preparation made specifically for the growth, storage, or transport of…

Q: 1. What is the hazard of the spattering tendency in heating a wire loop with specimens over a flame?…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub parts for…

Q: 1. While working with Mannitol Salt Agar you notice the growth of staphylococci however other…

A: Mannitol Salt Agar is a selective and differential media used in microbiology.

Q: 1. Give examples of specific applications for different types of solid tubed media 2. Give 5…

A: Nutrient broth are the nutrient agar in that deficiency of the solidifying agent such as agar…

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: A fastidious organism must be grown on what type of medium?a. general-purpose mediumb. differential…

A: Bacteria require appropriate environmental conditions for their growth. Solid or a liquid…

Q: 1. Which medium would you consider to be "complex" and which "defined"? Which is “rich" and which is…

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

Q: 1. The selective ingredient in mannitol salt agar is ______________, which selects for the growth of…

A: The microbial culture is useful for growing the bacteria under controlled conditions in a…

Q: Agar is superior to gelatin as a solidifying agent because agar a. does not melt at room temperature…

A: Agar is used as a medium for culturing in laboratories.

Q: The use of sodium chlorite to inhibit the growth of Shigella in drinking water refers to ? O A.…

A: The use of sodium chlorite to inhibit the growth of Shigella in drinking water refers to…

Q: 2.  Mechanical disinfection is typically more effective than manual techniques.

A: Disinfection is the removal, deactivation, and killing of microorganisms. Deactivation and…

Q: Selective media: O Is regular nutrient agar that can grow any microorganism Selects for the growth…

A: Cultured bacteria are any bacteria that grow in the lab by the microbiologist using the required or…

Q: 5. Why is the temperature of pasteurization at 60°C?

A: Food gets spoiled with time. It occurs majorly due to the action of microorganisms.  Various…

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: During media preparation, you observed that the agar medium did not solidify after sterilization…

A: Nutrient Agar Medium is the artificial media which is used to grow microbes. It provides essential…

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: hat is the purpose of resazurin in thioglycollate medium? 2.Why does thioglycollate medium have only…

A: To get the remaining sub-parts solved, please repost the complete question and mention the…

Q: C MSA (Mannitol Salt Agar) Match the description to the correct Bacterium A= growth, agar is yellow…

A: Microbiology is the branch of science that deals with the study of microorganisms that are too small…

Q: A fastidious organism must be grown on what type of medium? a. general-purpose medium c. synthetic…

A: The medium or the growth medium has essential nutrients for the growth of the microbes. There…

Q: Why is a Bunsen burner used in the microbiology lab? (select all that apply) The flame is used to…

A: Answer -The flame is used to sterilize the inoculating loop. -The flame kills microorganisms that…

Q: After performing the “Effects of Antiseptics & Disinfectants” lab which agent(s) showed potential to…

A: Pathogenic microorganisms exist as biofilms and form an extracellular matrix that protects from the…

Q: 1-The method of sterilizations we used in the tissue culture lab a. Fumigation b. Filtration C.…

A: The removal of any microorganism or viable spores or bacteria or viruses from the surface. The…

Q: Which of the following medium would be most appropriate for the bacterial cultures from stomach? a.…

A: Microorganism culture out of their natural environment in pure form in the laboratory has been…

Q: :In bacterial culture media, agar is used as An additional nutrient .a Buffer .b A solidifying agent…

A: Agar is used in laboratory to help, feed and grow microorganisms. It is used in laboratory for…

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: 1. What is the significance of use of potato in the preparation of culture media? 2. What is the…

A: To identify the microorganism, it must first be placed into a medium to commence development, and…

Q: 1. Differentiate the types of culture media based on its physical state and uses.

A: MICROBES They are unicellular organisms that cannot be seen with the naked eye.This is why they are…

Q: All of the following can achieve sterilization (killing endospores, but not prions) EXCEPT gamma…

A: 9 - option B -autoclaving at 121 degree celsius for 25 min,15 psi As per the guidelines,I can answer…

Q: 1. Which of the following statements about agar is NOT true? A. It is derived from algae. B. it is…

A: Microorganisms must be grown outside of the body in order to examine their traits and qualities for…

Q: The technique used in bacteria for endospore staining can also be used to observe fungal spores.…

A: *Endospores staining is used to recognize presence of spore in bacterial cells This needs staining…

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: 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: 1. In an autoclave, how are temperatures above boiling achieved?(short answer) 2.. Can culture…

A: Culture media  Culture media is a growth media of microorganisms like bacteria it may be solid,…

Q: 1. What is one advantage of utilizing the pour plate technique over the streak plate technique ?

A: Answer: THERE ARE THREE TYPES OF CULTURE METHODS  1. POUR PLATE TECHNIQUE 2. STREAK PLATE TECHNIQUE…

Q: 4. Which media can be used to isolate E. coli samples from contaminated lettuce? 5. Which two media…

A: We are answering the first 3 questions only. For the rest of the questions kindly, repost the…

Q: You are given a culture medium on which only Gram negative bacteria will grow. Organisms that are…

A: The medium in which only gram negative bacteria will grow prevents gram positive bacteria to grow in…