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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

Can bacteria exist under adverse conditions?

Yes, bacteria are able to survive under adverse conditions by forming various protective mechanisms such as spore formation, biofilm production, and adaptation to extreme environments. These adaptations allow bacteria to withstand harsh conditions like high temperatures, low nutrient availability, and exposure to toxins.

What STD is caused by a bacterium that lives as an intracellular parasite?

Trichomoniasis is caused by a protozoan.
TRICHOMONIASIS.
Trichomonas
Trichomonas vaginalis is the protozoa that causes trichomoniasis.
Trichomoniasis.
Trichomoniasis is a STD caused by a protozoa.
Tichomonasis is an infection by a protozoan most commonly spead through sexual intercourse.

The fungus Penicillium produces what that saves peoples' lives by killing bacteria?

The fungus Penicillium produces the antibiotic penicillin, which is effective in killing bacteria and has saved countless lives by treating infections.

How are bacteria harmful to man?

Bacteria can be harmful to humans by causing infections and diseases such as strep throat, pneumonia, and food poisoning. They can also produce harmful toxins that can result in illness. Additionally, some bacteria can become resistant to antibiotics, making infections more difficult to treat.

When you must change your clothes to prevent bacteria spreading and why is it important?

Changing your clothes helps prevent bacteria from spreading because clothing can trap moisture and bacteria, creating an environment for them to multiply. This can lead to skin infections and odors. Regularly changing your clothes, especially after activities that cause sweating, helps maintain good hygiene and reduce the risk of illness.

Process where certain bacteria change nitrogen gas into nitrates in the soil?

The process is called nitrogen fixation. Certain bacteria, like Rhizobium and Azotobacter, convert atmospheric nitrogen gas (N2) into ammonia (NH3) or nitrate (NO3-) that can be used by plants for growth. This conversion is essential in the nitrogen cycle as it makes nitrogen available for plant uptake.

Bacteria have 5 basic shapes?

The five basic shapes of bacteria are cocci (spherical), bacilli (rod-shaped), spirilla (spiral), vibrio (comma-shaped), and spirochetes (corkscrew-shaped). These shapes influence how bacteria move, divide, and interact with their environment.

Who is the founder of bacteria and when was it?

Bacteria were discovered by Antonie van Leeuwenhoek, a Dutch scientist, in the 17th century. He observed microorganisms through a simple microscope he had created, leading to the first documentation of bacteria in 1676.

What the most common way to grow bacteria is?

The most common way to grow bacteria is in an agar petri dish. The bacteria are usually placed by a swab into the petri dish and incubated for a predetermined period of time (The agar serves as a food source for the bacteria). Then, growth, or no growth, of bacteria will be observed.

What is asexual reproduction in bacteria also called?

Asexual reproduction used by prokaryotes such as bacteria is called binary fission. This is the dividing of a cell into two new cells.

Why would bacteria start to decrease after 3 days in milk?

As bacteria consume the available nutrients in milk, their population will start to decrease due to limited resources. Additionally, competing bacteria or other microorganisms may outcompete them for these resources, leading to a decrease in bacterial population. Lastly, environmental factors such as changes in pH or temperature may also contribute to the decline in bacterial numbers.

Is urticaria related to helicobacter pylori?

Some studies have shown a possible association between chronic urticaria (hives) and Helicobacter pylori infection in the stomach. However, the exact mechanism is not fully understood, and more research is needed to establish a clear link between the two conditions.

The size of bacteria?

Very very very very very very very very very very very very small


Depends on the type of bacteria. There are some bacteria that are extremely, extremely small(as my colleague above me has so equivocally stated), and there are some bacteria that can grow to be the size of the period at the end of this sentence.


What are 10 facts on bacteria kingdom?

The total amount of bacteria in a human body weighs about 4 pound in weight, office furniture has more bacteria than a toilet, bacteria can exist under any conditions and temperature.
Well,i will have to say one cool thing about bacteria is they take over your cells in other to produce more of it kind to take over your immune systemSome Bactria can cause root and tooth decay also some can be harmful and they fight the bad Bactria in your body I'm going to tell u 1 way that Bactria can be helpful .they fight the bad germs now I'm going to tell u 2 ways they can be bad . they cause root and tooth decay they make u sick thank you for reading this xXx :)

How does bacteria enter the mouth?

Bacteria are everywhere dude! They are in the air and in your food so why not in your mouth? Every time you open your mouth bacteria get in. So shut your mouth! Oh, and don't breathe through your nose either, because they will get in there too.

What is the advantage of API 20E system over the Enterotube II systeme?

API 20E system is advantageous over Enterotube II system for bacterial identification in clinical laboratories because it can provide a more comprehensive identification of Enterobacteriaceae and non-fermenting gram-negative bacteria. It is also known for its user-friendly format and interpretation system, making it easier for technicians to use. Additionally, API 20E system is more standardized and has a higher accuracy rate compared to the Enterotube II system.

Is the following true or false. all members of the domain Bacteria are parasites?

False. Not all members of the domain Bacteria are parasites. Bacteria can also include beneficial or harmless organisms that do not parasitize other organisms.

What is the function for most bacteria and how is this helpful to them?

The main function of bacteria is to break down organic matter and recycle nutrients. This helps them obtain nutrients for growth and reproduction, and also benefits the surrounding environment by releasing essential elements back into the ecosystem.

How can you get bacteria Tuberculosis?

Tuberculosis is caused by the bacterium Mycobacterium tuberculosis, which is spread through the air when an infected person coughs or sneezes. You can get infected by inhaling the bacteria or through contact with contaminated surfaces. Being in close contact with someone with active TB disease increases the risk of transmission.

How do halophiles make energy?

Halophiles are one of the three main groups of archaea, or archaebacteria, one of the Six Kingdoms of Life. They love salty areas, like the Dead Sea and the Great Salt Lake. They make energy by using the photosynthetic pigment bacteriorhodopsin, which helps them convert sunlight into food/energy, though not in the same way as plants.

Bacteria and dead cell are removed from circulatory fluid in the?

Bacteria and dead cells are removed from the circulatory fluid by the spleen and the liver. The spleen acts as a filter, trapping and destroying pathogens and old or damaged blood cells. The liver also contributes to this process by filtering out toxins and waste products from the blood.

What is the Lactococcus lactis ssp lactis oxidase test result?

The oxidase test result for Lactococcus lactis ssp lactis is negative. This bacterium lacks the enzyme cytochrome c oxidase that is needed to produce a positive result in the oxidase test.

A friend states that all bacteria are harmful to people list 3 reasons why this statement is inaccurate?

  1. Many bacteria are beneficial and necessary for human health, such as those in the gut microbiome that help with digestion and immune function.
  2. Only a small percentage of bacteria are pathogenic and can cause harm to humans.
  3. Some bacteria are even used in the production of food and medicine and play a crucial role in various ecological processes.

What are bacterias tht have long appendages for movement called?

Bacteria with long appendages for movement are called flagellated bacteria. These flagella help them to propel themselves through liquid environments, allowing them to move towards nutrients or away from harmful conditions.