. How will pH and aw will affect the growth of spoilage microorganisms on food?

Q: Microorganisms are often grouped according to their optimum growth temperatures. Which groups are…

A: Bacteria spoil refrigerated foods.

Q: Which one of the below given properties can not be among the material selection criteria for…

A: Biomaterials are considered natural or synthesized substances, which can be processed or engineered…

Q: Temperature plays a very important role in the growth of fungi, bacteria, and other microorganisms.…

A: Milk serves as a nutritious source of food for humans. Milk favors the growth of mesophilic microbes…

Q: 1. How does kefir whey work so that it can improve the quality of the paper soap produced? 2. Does…

A: Fatty acids are the long hydrocarbon chain with a terminal carboxyl group. These help to form…

Q: Why does turbidity lose reliability at high cell concentrations when the culture reaches the…

A: Since you have posted multiple questions, we will answer first question for you. In order to get…

Q: O O What is the component in a biochemical media test responsible to inhibit a certain group of…

A: Biochemical tests are helpful in identification of bacterial species by separating them on the…

Q: 4. What is the importance of pH adjustment in culture media?

A: pH is the measure of the acidity or basicity of a substance, in molecular terms pH is the negative…

Q: How do microbial growth factors inhibit (stop) microbial growth ?? 2-What are the consequences/…

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

Q: 1. How many grams of dextrose will be needed in the final product? 2. How many mL of Dextrose 70%…

A: Dextrose injection is a sterile solution commonly used to provide water balance and carbohydrate to…

Q: What is the range of salinities over which Halobacterium NRC-1 is able to survive? Why specifically…

A: The range in which Halobacterium NRC-1 would able to survive is between 234 ppt and 468 ppt…

Q: 9. Is the eosin methylene blue agar (EMB) a complex or defined medium? Explain based on its…

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

Q: retort pouch is: a) Filled first with food product and then retorted (heat-sterilization) to extend…

A: In retort pouch food is filled into a pouch . Then it sealed and next heated to extremely high…

Q: micro-organisms are the most resistant to heat sterilization?

A: Most of the bacteria cannot survive adverse heat condition. But somehow particular bacteria can…

Q: 3. We made 450 mL of 2.5% Luria Broth (LB) for our bacterial cultures. a) What is the final…

A: Every biological cell requires some kind of energy (nutrients) for its growth and development. For…

Q: Explain 2 factors that influence microbial growth.

A: The growth of microorganisms  are very much dependent on different factors that controls the growth…

Q: What is the purpose of food irradiation, and how does it work?

A: Irradiating food kills bacteria and extends life of the food.

Q: Explain the term Food irradiation?

A: Disinfection is a process of killing germs from a surface or any object. There are many types of…

Q: sodium iodide, the Pharmacopoeia requires determining

A: Answer:

Q: What is the purpose of an autoclave and what is its mechanism?

A: Answer :- An autoclave is utilized in clinical and research facility settings to disinfect lab…

Q: To determine if the type of agar affects bacterial growth, a scientist cultures on fou different…

A: Agar is galactose based heterogeneous polysaccharide. Agar is made from red algae. The main…

Q: In a nutrient broth, where do microorganisms acquire their requirements for mineral  elements like…

A: Microorganisms are grown in laboratories using culture media. Culture media contains all the…

Q: 1.How is acid or alkaline detected in a culture medium as an end product? 1.The tests for the…

A: Biochemical tests are laboratory techniques used to identify and characterize different types of…

Q: Where do spoilage microorganisms come from? What are some of the most common spoilage…

A: Food spoilage is a metabolic process which causes food to be undesirable or unacceptable for…

Q: 1. In a nutrient broth, where do microorganisms acquire their requirements for mineral elements like…

A: Microorganisms acquire their mineral element requirements from the nutrient broth itself. Nutrient…

Q: ..is the optimum condition for bacterial growth in soil? O Alkali O Acidic O Slightly acidic to…

A: Slightly acidic to neutral

Q: ason

A: Sterilization: It is a process to remove ,kills,or deactivates all forms of micro-organisms ex:…

Q: Which is statement below is the correct definition of the Sterility Assurance Limit (SAL). Select…

A: Sterilization and pasteurization are the two methods of destroying harmful microbes. The…

Q: What are five different categories of chemical agents utilized in order to control microbes?  2.…

A: Microorganisms are microscopic organisms that are present as unicellular, multicellular, or cell…

Q: Why are the streak plates made from a sample of coconut water incubated at 7°C?

A: Answer: STREAK PLATE METHOD = This is the method to culture bacterial growth in microbiology…

Q: more

A: Since you have not asked a specific question to be answered, therefore we will be answering the…

Q: Give two reasons for why heat fixing is used?  Adherence of bacterial cells to the slide…

A: Haet fixing is the procedure in gram staining of the bacteria. This has to be done so that the…

Q: 1. If you expose E.coli to UV light at 30 seconds, 1 minute, 3 minutes and 5 minutes, what are your…

A: Question -  1. If you expose E.coli to UV light at 30 seconds, 1 minute, 3 minutes and 5 minutes,…

Microbial Physiology

Microbial physiology is the branch of microbiology that is associated with studying the physiology of fungi, bacteria, and viruses. It is an important field of science concerning functional genomics and metabolic engineering.

Chemotaxis

The organism’s movement in a particular direction as a response to certain chemicals that are available in the environment is defined as chemotaxis. In brief, it can be defined as the occurrence of an organism’s movement in response to a certain chemical stimulus.