MSA/mannitol salt agar plate is selective because: O it allows only gram positive bacteria to grow O it causes bacteria that can ferment lactose to have a different color from those that do not O it allows only Staphylococcus (any species) to grow O it allows only gram negative bacteria to grow O it allows only Staphylococcus (any species) to grow O it allows only bacteria that ferment mannitol to grow

Q: Considering Escherichia coli and Shigella sonnei results on the MacConkey test, both bacteria are: O…

A: The MacConkey agar is a commonly used selective and differential medium in microbiology for the…

Q: Culture media Answer 1 Answer 3 Answer 5 Answer 7 Answer 0 such as support growth of Answer 2…

A: Culture media  Culture media as a mixture of different substances that support growth for…

Q: Could you explain the difference ( and possibly show the difference) between a growth on Agar slants…

A: Growth of cultures in slants and broth can provide us with useful information regarding their…

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

A: Mannitol Salt Agar (MSA) is a media which has high concentration of salt solution. There are found…

Q: Which of the following treatments directly destroys microbial cells living on animal tissue?…

A: A "microbe" is a living entity that is so tiny that it cannot be seen with the naked eye.…

Q: _____ kills pathogens and some spoilage organisms but does not sterilize substances. Tyndallization…

A: Sterilization refers to any process that removes, kills, or deactivates all forms of life, in…

Q: Transformation of bacteria can be done via Electroporation Calcium chloride treatment, heat shock…

A: F.Griffith first experiment Bacterial transformation. It is a process of horizontal gene transfer…

Q: Microbiology

A: Gram staining is a technique which is used to identify the bacterial cell type, whether it is gram…

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: Bacteria should grow on plates with media containing . ..... to perform blue/white screening   x…

A: Bacteria should grow on plates with media containing beta galtoside is required to perform…

Q: In this exercise, the action of bactericidins will be evaluated by __________. observing color…

A: Bacteriocins are small and cationic antimicrobial peptides, ribosomally synthesized by lactic acid…

Q: What temperature is considered adequate for achieving sterilization of a compost pile?

A: temperature considered for achieving sterilization of a compost pile is 135-160 F. At a…

Q: MacConkey Agar Lactose fermenter or non-fermenter: ___________________________ Gram reaction based…

A: Alfred Theodore MacConkey invented MacConkey agar (MAC) in the twentieth century, which was one of…

Q: Which of the following is NOT a physical method of microbial control?

A: Sterilization is defined as a process of complete elimination or destruction of all forms of…

Q: A growth medium consisting of only known amounts of water, magnesium, calcium chloride, potassium…

A: The growth medium, also called as Nutrient Broth, is a kind of solution which is sterilized to get a…

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: Which lactose (+), Gram negative, short rod forms a pink to brick red colony on MacConkey's agar and…

A: Bacteria that cannot retain the crystal violet stain as their cell envelopes are composed of…

Q: ou are given an unknown bacterium in the lab and have to determine unknown bacterium's oxygen needs.…

A: Each living organism has certain kind of respiration process for synthesizing energy by breaking…

Q: Mannitol salt agar is a selective media that inhibits the growth of Gram-negative bacteria due to…

A: Mannitol salt agar is a differential as well as selective medium which is commonly used for the…

Q: The absorbance of light is measured with a spectrophotometer and the result can be used to estimate…

A: the absorbance of light is measured with a  spectrophotometer and result can be used to estimate the…

Q: Picture that has dark background with red cells is the Negative stain and other picture in white is…

A: The Acid-Fast Stain is a lab test mainly used to find certain types of bacteria, like Mycobacterium…

Q: What result do you report for one of your unknown bacteria in terms of mannitol fermentation?

A: Mannitol salt agar or MSA is a commonly used selective and differential growth medium in…

Q: Which of the following best descrives UTI agar? Selective growth media; Differential Growth Media;…

A: A growth or culture medium is a liquid, solid or semi-solid medium, which is designed in a way that…

Q: what  are these bacteria growing on BA and Maconkey agar

A: Blood agar or BA is an enriched culture medium having multiple nutrients. Blood agar is generally…

Q: Taking microbial cells out of a stationary phase culture and putting them into a fresh, sterile…

A: Growth in higher organisms refers to a rise in size and volume, whereas growth in bacteria refers to…

Microbial Growth

The development of microbial growth is influenced by various natural conditions (both physical and synthetic) like pH, temperature, saltiness, gas focus (O2, CO2, and H2), nutrients, water action, and assimilation. Knowing the distinctive physical and chemical factors that influence the development and endurance of microbial growth in the climate will assist with reinforcing endeavors outfitted towards their control. These lines lessen or diminish their harmful impacts on humankind, creatures, and the climate.