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Burka [1]
3 years ago
8

An acute non-contagious respiratory tract infection that produces severe pneumonia-like symptoms caused by bacteria that thrive

in warm aquatic environments and are inhaled through contaminated aerosolized water droplets is known as:_______.
Biology
2 answers:
s344n2d4d5 [400]3 years ago
8 0

Answer: Legionella infection.

Explanation:

Legionnaires disease doesn't spread from one person to another person. They spread by the help of mist such as air conditioning units in large buildings.

The adults who are greater than the age of 50 and have addiction of tobacco is more prone to this disease because they have weaker immunity.

The common symptoms of this disease is also same like common flu, fever, chills , diarrhea, headache et cetera.

DiKsa [7]3 years ago
6 0

Answer: Legionnaires' disease

Explanation:

Legionnaires' disease is a kind of pneumonia that is caused by the bacteria.The bacterial infection spreads by breathing the aerosol or mist from the water. The bacteria does not spread from person to person thus the disease is non-contagious.

The bacteria of the disease lives in the aquatic environment and may contaminate the water body. The symptoms of the disease includes the chills, coughs, high fever, headaches and muscle aches. X-ray and lab test can be done to diagnose the disease.

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How does the immune system function?
professor190 [17]

Answer:

Immune system of the body helps in fighting with the infectious agents that are foreign for the body. So the immune system protects us from infection.

When any foreign substance(antigen) comes in the body B-lymphocyte recognize it by binding the antigen through its receptor. After recognizing the antigen, B cell divides into antibody-producing plasma cell and memory cell.

Antibodies produced by plasma cells help in destroying the antigen by getting the antigen recognized by phagocytic cells or by complement activation.

B cells are antigen-presenting cell which present antigen to T cell and then T cell activates and produce chemicals that kill the antigen. Therefore the immune system has many immune cells that activate when an antigen comes in the body. This is how the immune system functions.

3 0
3 years ago
Hurry help me! the first person to answer gets brainest :)
alina1380 [7]

Answer:

A: Golgi apparatus

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3 0
3 years ago
A plasmid that encodes resistance to ampicillin and tetracycline is digested with the restriction enzyme PstI, which cuts the pl
nekit [7.7K]

Answer:

tetracycline

Explanation:

When the DNA insert is ligated in Pstl site, the ampicillin gene is disrupted while <em>tetracycline gene is still intact</em>.

- If the bacterial colony is growth in a medium with only ampicillin, only the cells that contains the plasmid with the insert will grow.

- If the bacterial colony is growth in a medium with only tetracycline, the cells which have incorporated the plasmid will survive. We cannot distinguish between cells with plasmid + insert and plasmid alone.

- If the bacterial colony is growth in a plate with ampicillin + tetracyclin, only the cells with the plasmid without the insert will grow.

Therefore, to ensure that the cells of a bacterial colony contains the plasmid, they have to be seeded in a plate with tetracycline.

4 0
3 years ago
Osteocytes are bone cells. Collagen fibers and calcium salts are found in abundance between and among the osteocytes. The collag
Nana76 [90]

Answer:

Part of the extracellular matrix secreted by osteocytes. (Ans. B)

Explanation:

Cells which are present on bones are known as osteocytes. Bone is composed of extracellular matrix, and cells. There are three types of cells which are present in the bones:

1) Osteoprogenitor cells.

2) Osteoblast.

3) Osteocyte.

Extracellular matrix is composed of organic matrix consisting glycoproteins, proteoglycans, osteocalcin also known as calcium binding proteins, and osteonectin which anchors bone mineral to collagen.

7 0
4 years ago
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Minchanka [31]

Answer:

The Answer is True:

Explanation:

7 0
3 years ago
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