4. When an organism is positive for the coagulase enzyme, which of the following would be present in the test tubes containing rabbit plasma?   A. White precipitate at the bottom   B. Gel plug   C. Liquid    D. Pellicle growth at the top

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: 2. Which of the following infectious agents is correctly defined as a viral pollutant? A. the human…

A: There are many sources of pollution. Viral pollutants are biological pollutants in which viruses act…

Q: Explain why a good, healthy growth of bacteria in broth can clear, as if by magic, and all the…

A: The cycle of infection is a model that describes how the host-pathogen interactions change during…

Q: Which of the following is NOT true of spread plating method? A. the maximum inoculum allowed is 1.0…

A: Please follow step 2 & 3 for detailed explanation.

Q: 1. What are the pre-analytical phase in doing the Direct Fecal Smear? 2. Discuss the Cleaning and…

A: Direct Fecal Smear is done for checking the presence of bacteria and parasites.

Q: Chloroquine and primaquine are the agents most widelyused to treat:(a) Malaria (d) Legionnaires’…

A: Malaria can be defined as the disease which is caused due to parasite. The parasite is transmitted…

Q: n't we say "sterile" technique?

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

Q: 2. A lab technician took a fecal sample and carried out the following dilutions: 1. Transferred 0.1…

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

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: a. What tw b. Using a individ 1. 4..

A: Answer. A pedigree is a family tree or chart made of symbols and lines that represent a person's…

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. How do you perform the streaking plate technique? 2. Describe the preparation of culture media…

A: According to the question, We will discuss the answer to the questions asked one by one. So, let us…

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: 1. Which One of the following antibiotic is bactericidal? A. Ciprofloxacin B. Clindamycin C.…

A: Question. Which of the following antibiotics is bactericidal ?    Answer.   Bactericidal are the…

Q: 4. Discuss how the following affects absorption: a. Surface area of the absorption site b. Degree of…

A: As per our standard procedure, we will answer only the first three parts of your multipart question.…

Q: 1. Which of the following bacterial species is not naturally competent? A) Bacillus subtilis B)…

A: Hi! Thank you for the questions. As you have posted multiple questions, I will be answering the…

Q: 4. What is the total dilution in C? 5. What is the concentration of cells in tube C? 6. What is the…

A: Serial dilution is commonly used in molecular biology laboratories to determine the bacterial…

Q: MacConkey Agar is considered as:   a. Differential CM only b. Enriched CM only c. Selective CM…

A: MacConkey Agar (MAC) is a selective and differential medium used to isolate and distinguish enteric…

Q: 1. The time between inoculation and the beginning of growth is usually called the A) lag phase. B)…

A: Answer: Introduction: Microorganisms grown-up in closed culture also called as a batch culture in…

Q: 3/ We use chloroform to stabilize the samples True O False 19/ Both hemoglobin and blood plasma…

A: Chloroform separate between the aqueous phase and organic phase in the sample. Hence, we use…

Q: A pure culture A) is sterile. B) is a population of identical cells. C) is made of a clearly…

A: These pure cultures are essential for microbiological studies. It facilitates the application of…

Q: 1-Why do not microorganisms develop in the udder even though your pet's udder is full of milk?…

A: Introduction: Contamination is defined as the presence of an undesirable element, impurity, or any…

Q: discuss the disinfection protocols for removing potential pathogens in frequently- used…

A: In laboratories,  sterilization is an important process in which the vessels, surroundings and the…

Q: What is the color of the capsule in the capsule stain?

A: The purpose of capsule stain is to differentiate the capsular part from the bacterial cell. Capsule…

Q: Potato Chips:

A: Potato chips (often just chips), or crisps (in British and Irish English), are thin slices of potato…

Q: 5) A pure culture A) is sterile . B) is a population of identical cells. C) is made of a clearly…

A: A microbial culture is a method by which microorganisms are multiplied by allowing them to grow in a…

Q: (CASE 2) A chemist attached a NFPA symbol (illustrated below) on the bottle of a newly manufactured…

A: NFPA 704 symbol  is a color coded number system that uses color coded diamond  with four quadrants…

Q: discuss the culturing system that is most appropriate for this activity and state your reason(s) for…

A: After  applying all the guidelines involved in the successful isolation and cultivation of microbes…

Q: 104) The person known to history as "Typhoid Mary" was identified by public health officials as a…

A: Typhoid fever is a bacterial disease which is caused by the bacteria Salmonella typhi. This…

Q: Under normal conditions, the O(2)ER is about A. 10 percent B. 15 percent C. 20 percent D. 25 percent

A: The oxygen extraction ratio (O2 ER) is the proportion of the oxygen separated from the peripheral…

Q: 1. While playing saxophone . Sometimes the reed can get bacteria or fungus growing on it. What…

A: SAXOPHONE is an instrument and it is made up of brass and it is played with the mouth piece.it is…

Q: A solution of ascorbic acid for injection is prepared for: A) Water for injection B) Purified water…

A: USES   Ascorbic acid injection is used to treat Or prevent vitamin C deficiency.It is used to treat…

Q: 1. What are the proper requirements for performing a comb test? A. Anti-D serum B. Centrifuge C.…

A: Sometimes  our immune system start producing ANTIBODIES against our own cells, that result in the…

Q: i) Interpret safe human excreta disposal in the context of preventing the spread of infectious…

A: According to our guidelines we are allowed to do one question per question or upto three subpart of…

Q: (2) how are aseptic technique similar and different in the lab and Healthcare field?Be specific and…

A: Aseptic techniques are very important in healthcare as well as in the laboratory. In surgical…

Q: 3. A patient comes to the hospital complaining of pain after going to the bathroom. This has been on…

A: Patient pain can be because of dysuria or painful urination. Painful urination is caused by…

Q: 2. Differentiate antiseptics and disinfectants. Include examples of each in your answer. Indicate…

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

Q: 7. Which of the following can be achieved using dialysis? I. Desalting II. Concentration III. Buffer…

A: Dialysis is the process of removal of toxins, salts and extra fluid from the blood through a…

Q: 6) Identify the most correct choice: a) The first antibiotic ever used was to kill the mold…

A: Answer :- The generation time is the time it takes for a bacterial cell to divide, or for a…

Q: . Why not test water samples directly for Salmonella typhosa or other pathogens?

A: Salmonella Typhi bacteria infect the blood and intestine of humans. The disease caused by this…

Q: 4. A medium containing an antibiotic is a selective medium. True or False.

A: In the study of microorganisms, a variety of mediums are utilised. The following are the definitions…

Q: 4. The purpose of conditioning agent on shampoo is A. To bring moisture to nail C. To bring moisture…

A: Cosmetic products are meant to provide care and cleaning and care and for beauty enhancement.

Q: Use of CFC is banned in many countries.Give scientific reasons.

A: CFC stands for chlorofluorocarbons and these hydrocarbons are widely used as refrigerants, blowing…

Q: A White blood cell Suspension is dyed by Trypan Blue in 1:1 Ratio(Volume). 7 square is counted and…

A: Introduction  Cytometry is referred to the study of the measurement of the characteristic of the…

Q: 1. your Sample has of 1010 bacteroia per ml and a dilution factor of 108. The spread plate you…

A: colony-forming unit (CFU) is a measure of viable bacterial or fungal cells.  Haemocytometer is used…

Q: 8. Which of the following choices is anti-atherogenic A. VLDL B. IDL and LDL C. Chylomicrons…

A: Atherogenic means anything which is tending to promote the formation of fatty deposits in the…

Q: 3. The bacterial isolated from the abscess was also used in the test shown below. (a) What is the…

A: A pus-filled, tender to touch, inflamed region of a tissue is called abscess. Bacterial infections…