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What is the Optimum temperature for s.albus?
The optimum temperature for Staphylococcus albus (S. albus) growth is around 37 degrees Celsius, which is body temperature. At this temperature, S. albus thrives and reproduces most effectively. Adjusting the temperature significantly higher or lower can slow down its growth rate.
Why would you use selective media instead of differential media to grow an organism and what advantages does it offer in terms of promoting the growth of specific types of microorganisms?
Selective media is used to encourage the growth of specific types of microorganisms by inhibiting the growth of others. This is beneficial when trying to isolate a particular species from a mixed population. Differential media, on the other hand, is used to distinguish between different types of microorganisms based on their metabolic characteristics. Selective media offers the advantage of promoting the growth of desired organisms while suppressing the growth of unwanted ones, making it easier to isolate and study specific types of microorganisms.
Is staphylococcus aureus a psychrophile?
No, Staphylococcus aureus is not a psychrophile. Psychrophiles are organisms that thrive in cold temperatures below 20°C. Staphylococcus aureus is generally mesophilic, meaning it grows best at moderate temperatures between 20-45°C.
What effect would a higher pH have on the temperatures optimum for invertase?
The temperature optimum can be affected by pH if the pH chosen for a particular experiment deviates from the pH optimum for invertase
Why do some microorganisms characteristically form a growth of the pellicle type?
in pellicle formation small masses of cells gather at the top of the nutrient broth. these organisms (masses of cells) are aerobes. the oxgen concentration is greatest at the top which would explain growth of the pellicle type.
What affect does salt have on microorganisms?
Salt can have a negative impact on microorganisms by disrupting their cell membranes and inhibiting their growth. High concentrations of salt can cause dehydration and eventually lead to the death of the microorganism. However, some microorganisms like halophiles are adapted to survive and even thrive in high salt concentrations.
What scientist would study microorganisms?
A microbiologist.
Definition of a hibitory substance relative to a water sample?
A hibitory substance relative to a water sample is a substance that allows for the growth of microorganisms. This would be like a contamination of water that can cause disease to spread.
What would happen if we didn't havemicrobes?
Without microorganisms, we would die very quickly. For every 1 "human" cell in your body, there are about 10 "other" microorganisms in and on your body. Every aspect of life revolves around microorganisms, such as bacteria and fungi, essential to every aspect of life. Without microorganisms, everything would cease to exist.
How do you stop microorganisms?
You stop microorganisms through different ways of cleaning. An example would be the universal precaution Hand washing. With this you get 99.9% of germ or microorganisms out your hands. Other exmaples would be sterilization, boiling, cleaning or scrubbing.
What are the 5 different germs on your palm?
There are probably several thousand different kinds of microorganisms growing on your palm. Some are protective and reduce growth of harmful germs. If you eliminated ALL microorganisms from your skin the next harmful germs you picked up would probably do severe damage to your skin and make you very sick.
12 A given species of bacteria is known to require 100 different nutrients 99 of these are in optimum quantities but one is limited You would expect that population growth would be?
limited by the quantity of that nutrient - its the limiting stepthe actually rate of growth depends on the relationship between tha nutrient and the growth rate if its a linear relationship then growth rate = k[Nutrient]
