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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

Which pathogen is a small bacterium that lives in lice fleas ticks and mites?

Rickettsia is the bacterium that lives in lice, fleas, ticks, and mites. It causes diseases like Rocky Mountain spotted fever and typhus when transmitted to humans through the bites of infected arthropods.

A halophile is responsible for spoiling juices?

Halophiles are salt-loving microorganisms that thrive in high salt environments. They can spoil juices by growing and producing unpleasant odors and flavors due to the salt content in the juice. Proper sanitation and control of salt levels can help prevent halophiles from spoiling juices.

What are three types of spiral bacteria and diagrams?

There are many types of spiral-shaped bacteria mainly included in the phylum, Spirochaete. Within this phylum there are three families consisting of Brachyspiraceae, Leptospiraceae, and Spirochaetaceae all belonging in the single order, Spirochaetales. Two of the most medically relevant species include:

  • Treponema pallidum, which causes syphilis
  • Borrelia burgdorferi, which causes Lyme diseases
  • Treponema pertenue, which causes yaws

Rod-shaped bacteria called vibro which are shaped like a comma

spirochaetes or tightly coiled

and spirilla or spiral shaped

What bacteria live and get nourishment inside your intestines?

There are many different types of bacteria that live in the human intestines, known as gut microbiota. Some common types include Bacteroides, Firmicutes, and Actinobacteria. These bacteria help with digestion, nutrient absorption, and even contribute to overall gut health and immune function.

What is a common name for nitrogen-fixing bacteria?

Diazotroph is the common name for nitrogen-fixing bacteria and micro-organisms.

Specifically, the term designates organisms that are capable of turning atmospheric nitrogen into more usable forms, such as ammonia. It includes such soil-dwellers as Frankia genus members living symbiotically with actinorhizal (beech, cucurbit and rose-related orders) plants and Rhizobia genus members living symbiotically with leguminous (bean-related order) plants. Cyanobacteria living symbiotically with lichens and liverworts also number among the diazotrophs of greater name recognition.

Can you inhale bacteria?

Bacteria from the environment can be present in the air we breathe, but our respiratory system has natural defenses that can help protect against harmful bacteria. Inhaling large amounts of bacteria can potentially lead to respiratory infections. It is important to maintain good hygiene and avoid situations where there is a high risk of inhaling harmful bacteria.

If a person with strep throat farts and you directly inhale it can you also get strep?

No, wrong end. Streptococcal pharyngitis, streptococcal tonsillitis, or streptococcal "sore throat" called "strep throat" is caused by group A beta-hemolytic streptococcus (GAS or S. pyogenes), or by non–group A beta-hemolytic streptococci and fusobacterium. Transmission is through the respiratory system and mucous membranes of the mouth, so coughing, sneezing, kissing, sharing a straw/drink immediately after an infected person or carrier used the same straw/container, or very close contact in which respiratory germs are most apt to spread. Overcrowding in public areas, schools,colleges, hospitals, etc. have higher incidences of transmission rates than when people are more separated. As well, an infected person can be a carrier without showing symptoms. But, no, streptococcal bacteria's proteins are NOT spread through intestinal gas, e.g. farting.

Why are most bacteria non parasitic?

Most bacteria are non-parasitic because they have evolved to survive and thrive in various environments without requiring a host organism for their growth. Additionally, being non-parasitic allows bacteria to have a more diverse range of ecological niches, leading to a wider distribution in nature.

Do humans use bacteria to synthesize drugs?

Yes, humans do use bacteria to synthesize drugs. This technique is known as biopharmaceutical production, where bacteria are genetically engineered to produce specific drugs or drug components in a controlled environment. This method allows for the efficient and cost-effective production of medicines.

What is the principle of leishman stain?

It is basically use to stain leukocytes,maleria prasite and trypanosomas. leisman stain contain 1st methylene blue dye, a basic dye, which gives color to an acidic component.2nd eosin dye,an acidic dye ,which gives color to a basic component. These dye differentiat the different component of blood.

What are three Causative bacterial organisms for STDs and the diseases that they cause?

  1. Neisseria gonorrhoeae causes gonorrhea, a common sexually transmitted infection that primarily affects the genital tract.
  2. Chlamydia trachomatis causes chlamydia, another common sexually transmitted infection that can affect multiple body sites, including the genital tract.
  3. Treponema pallidum causes syphilis, a sexually transmitted infection that progresses through primary, secondary, and tertiary stages if left untreated.

Is scabies a virus or a bacteria?

Scabies is caused by a parasitic mite, not a virus or bacteria. The mite burrows into the top layer of skin to lay eggs, leading to intense itching and skin irritation. Treatment typically involves prescription medications to kill the mites and their eggs.

How is lactic acid bacteria used to make soy sauce?

Lactic acid bacteria naturally present in soybeans help to ferment the soy sauce ingredients, breaking down proteins and carbohydrates to create the complex flavor profile of soy sauce. The bacteria produce lactic acid as a byproduct, which contributes to the tangy taste of soy sauce. Fermentation with lactic acid bacteria is a key step in the traditional production of soy sauce.

Siderophores are bacterial proteins that compete with animal?

Siderophores are small molecules produced by bacteria to scavenge iron and compete with animal hosts for this essential nutrient. They have high affinity for iron and can sequester it from the host's iron-binding proteins, aiding bacterial growth and survival within the host. This competitive advantage in acquiring iron can contribute to the pathogenicity of certain bacteria.

Does sugar have bacteria?

Sugar itself does not contain bacteria, but if sugar comes into contact with bacteria, it can provide a favorable environment for bacterial growth due to its high moisture content. It's important to ensure proper storage of sugar in a clean, dry environment to prevent bacterial contamination.

What important observation did Alexander Fleming make when he noticed that a pedri dish streaked with bacteria had been contaminated with a particular mold?

Alexander Fleming observed that the mold produced a substance that inhibited bacterial growth around it. This led to the discovery of penicillin, the first antibiotic to be developed.

Which bacteria have a capsule?

Bacteria such as Streptococcus pneumoniae, Bacillus anthracis, and Klebsiella pneumoniae are examples of bacteria that commonly have capsules. Capsules are protective outer layers surrounding the cell wall that help bacteria evade the host immune system's defenses.

Are there bacteria on the sun?

No, it is highly unlikely for bacteria to exist on the sun due to its extreme heat and conditions. The sun is a giant ball of gas with temperatures reaching millions of degrees Celsius, which is inhospitable for any known form of life, including bacteria.

What are the 5 basic parts of bacteria?

In terms of structure,5 basic parts are:

  • cell membrane
  • cytoplasmic matrix
  • nucleoid
  • plasmid
  • ribosomes

these structures are present in all bacteria so they are the essential(basic) components of bacteria

What is in the Phylum Cyanobacteria?

Cyanobacteria are photosynthetic bacteria that contain chlorophyll a and phycobiliproteins, enabling them to carry out photosynthesis. They can fix atmospheric nitrogen and play a crucial role in the nitrogen cycle. Some species can form harmful algal blooms in aquatic environments.

Is archeabacteria sexual or asexual?

Archaea reproduce asexually through binary fission, where a single cell divides into two identical daughter cells. Some species can also exchange genetic material through a process called horizontal gene transfer, but this is not considered a sexual reproduction method.

What are the symptoms of Citrobacter freundii in the human body?

Symptoms of Citrobacter freundii infection in humans can include fever, diarrhea, abdominal pain, and urinary tract infections. In severe cases, it can lead to sepsis or pneumonia. It is important to seek medical attention if experiencing these symptoms.

If fungus is not a bacteria then what is it?

It seems that there isn't a clear definition about what is a fungus yet. When on the form of yeast it is a microorganism. Formerly it was considered a plant, but nowadays it is thought that it is more closely related to animals than to plants.

What is anaplasma's most common injury?

Anaplasma infection most commonly leads to fever, headache, muscle aches, and fatigue. Severe cases can result in complications such as organ failure, hemorrhage, and neurological symptoms. Early detection and treatment are essential to prevent serious outcomes.