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Bacteria
Bacteria are a large domain of single-celled, prokaryote microorganisms. Typically a few micrometres in length, bacteria have a wide range of shapes, ranging from spheres to rods and spirals.
2,228 Questions
Why does Bacillus cereus ferment Glucose and not Lactose or Sucrose?
Because bacillus cereus is a Gram-positive, spore-forming, and rod-shaped, it\'s only able to ferment glucose.
Do you have to empty the boric acid from a urine sample bottle before you use it?
No, you do not need to empty the boric acid from a urine sample bottle before use. The boric acid acts as a preservative to keep the sample stable until it can be tested.
It is usually called MRSA: Methicillin-Resistant Staphylococcus Aureus. Methycillin is a version of penicillin that was developed to attack penicillin-resistant bacteria. MRSA can sometimes be treated with other common antibiotics like tetracyclines, e.g. doxycycline.
What is the time frame for staphylococcus aureus?
The time frame for staphylococcus aureus infections can vary depending on the type and severity of the infection. Skin infections may develop within a few hours to days after exposure, while more serious infections such as pneumonia or bloodstream infections can take longer to manifest. Early detection and treatment are important to prevent complications.
Is the result of sebum being trapped in a follicle with a piece of dirt or bacteria?
Yes, the result of sebum being trapped in a follicle with dirt or bacteria is the formation of a comedone, which can develop into a blackhead or whitehead. If the follicle becomes inflamed, it can lead to the formation of a pimple or acne. Regular cleansing and exfoliation can help prevent these blockages.
What was the single most surprising fact you learned about bacteria?
The answer to this question varies. One thing that is interesting is that bacteria has different shapes. They also are living and have only one cell.
What consequences can result from algae and bacteria growing too quickly?
A.
The fish can grow larger.
B.
Animals may reproduce at a faster rate.
C.
New toxins are released into the water.
D.
Nutrients are taken away from fish and animals.
Who does rickettsia rickettsii effect?
Rickettsia rickettsii primarily affects humans and is the bacterium responsible for causing Rocky Mountain spotted fever, a potentially serious and life-threatening tick-borne disease. It is transmitted to humans through the bite of infected ticks.
12. Storing toothpicks on shelves above food in storage can cause which type of contamination?
Nutritional
Chemical
Biological
Physical
What factors can you control that would slow down reproduction of bacteria?
If you change the temperature around the bacteria, I believe that it can slow down their reproduction because when they are in the right temperature, they reproduce at their fastest rate. If they are not in the right temperature, they will not reproduce as fast. Even though you migt not need to know this..............BIEBER FEVER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! I LOVE JUSTIN BIEBER!!!!!!!!!!!!!!!!!!!!!!!!!! I AM MRS. BIEBER!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
What do projections on a virus allow it to do?
They allow virus to fix to the host.They help to invade host.
What are the example of undesirable bacteria?
Undesirable Bacteria is a bacteria that can make our food to spoiled and can cost money..Some Undesirable bacteria can seen with our naked eye like worm in our foods if it was already rotten and spoiled..
Can peroxide or rubbing alcohol kill fungi bacteria on the skin?
Yes they can be killed. But in enough concentrations.
cause it brakes down organic matter :) hahaha isnt that hilariouse?
What organism yellow green on blood agar?
Streptococcus pneuomoniae
When this organism is tested on a blood agar plate it's colonies will be surrounded by a greenish discoloration due to alpha-hemolysis.
What shape are yogurt bacteria?
There are two types usually found in yogurt. One is lactobacillus and it is rod shaped. The other is a streptococcus. This one is made of cocci (round like a grape) in strings or similar to pearls on a necklace.
In what ways do the macroscopic features of bacterial colonies differ from that of molds?
Bacteria looks more glossy, white or yellow Molds will have a fuzzy look to them
What happens if too many harmful bacteria enter the system?
hey can destroy the nervous system and slow down the process of digestion.
What must most bacteria that cause foodborne illness have?
Bacteria that cause foodborne illness must have moisture, certain nutrients, time to grow, and the proper temperature to multiply. Salts and sugars can inhibit bacterial growth by tying up the water they need to live.
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Are harmful bacteria more of a problem now than 200 years ago?
Yes, harmful bacteria are more of a problem now than 200 years ago due to various factors. This includes increased population density, global travel, and the misuse and overuse of antibiotics. These factors contribute to the spread and evolution of harmful bacteria, making them more difficult to control and treat.
A Vaccination is the most effective tool for?
preventing infectious diseases by stimulating the immune system to produce an immune response without causing the disease itself. This helps protect individuals and communities by building immunity and reducing the spread of diseases.
