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What best describes the human body's defense mechanism against environmental bacteria?
The first line of defense is the skin, or epithelium; anti-microbial chemicals in the tears and saliva; mucus and cilia in the nose and throat; the formation of scabs after getting a cut. The second line of defense is the immune system, including interferons, antibodies, lymph nodes, and various white blood cells.
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What is the role of restriction endonucleases for the bacteria?
It the usefulness of enzyme for which it is named after. As the enzyme restriction endonuclease restrict the entry of foreign DNA in the bacteria. So it can be called a protective mechanism of bacteria and it is believed to be evolved by bacteria to resist viral attack.
What type of transport mechanism goes against the concentration gradient?
Active transport is the type of transport mechanism that goes against the concentration gradient.
Where restriction endonuclease from?
Restriction endonucleases are enzymes found in bacteria and archaea. They are part of the bacteria's defense mechanism against invading foreign DNA, such as viruses, by cutting it into smaller fragments. These enzymes are widely used in molecular biology for techniques like gene cloning and DNA fingerprinting.
What blood cells engulfing eating disease causing bacteria is an example of what?
Phagocytosis by white blood cells, such as macrophages and neutrophils, is an example of the immune system's innate defense mechanism against disease-causing bacteria. These cells recognize and engulf the bacteria to prevent infection and promote immunity.
Why do bacteria naturally contain restriction enzymes?
Restriction enzymes are the bacteria's form of an 'immune system' against viruses (which can infect bacteria). When viruses try to insert their own DNA into a bacteria's genome, the restriction enzymes detect this foreign DNA and cut it out so that the viruses can't replicate and kill the cell.
Is bacterial endosporulation a reproductive mechanism?
No. Endosporulation is the process where bacteria encapsulates itself within an endospore - it's a form of protection against an extreme range environmental stressors. Sporulation on the other hand is the act of producing spores of the bacteria, and that IS a reproductive mechanism.
What is peyer's patch?
They are aggregation of the lymphoid tissue in the ileum. They are absent in the jejunum part of the small intestine. They act as the defence mechanism against the invasion of the bacteria from the intestine.
What agent best describes a intermediate-level disinfectant?
An intermediate-level disinfectant is an agent that is effective against a wide range of microorganisms, including bacteria, viruses, and fungi, but may not be effective against bacterial spores. It is typically used for disinfecting environmental surfaces in healthcare settings. Examples include alcohol-based disinfectants and quaternary ammonium compounds.
What is the role of restriction endonucleases for the bacteria?
It the usefulness of enzyme for which it is named after. As the enzyme restriction endonuclease restrict the entry of foreign DNA in the bacteria. So it can be called a protective mechanism of bacteria and it is believed to be evolved by bacteria to resist viral attack.
Is skin a defense mechanism against infectious disease?
yes it is. it controls our body temperature and also keeps unwanted bacteria and potential diseases from entering the body and affecting our organs.
How many morpheme does the word antibacterial have?
The word "antibacterial" has three morphemes: "anti-" (a prefix meaning against), "bacteri-" (the root word referring to bacteria), and "-al" (a suffix that turns the noun into an adjective). Each morpheme contributes to the overall meaning of the word, which describes something that works against bacteria.
Is lysozyme in saliva and tears to destroy bacteria a body defense?
Yes, lysozyme is found in saliva and tears and acts as a defense mechanism by breaking down the cell walls of bacteria, thereby helping to protect the body against infection.
What type of transport mechanism goes against the concentration gradient?
Active transport is the type of transport mechanism that goes against the concentration gradient.
Organ Where hydrochloric acid digests protein and kills bacteria?
The stomach is the organ where hydrochloric acid digests protein and kills bacteria. The acidic environment in the stomach helps to break down protein into smaller molecules for absorption and also serves as a defense mechanism against harmful bacteria that may be ingested with food.
Where restriction endonuclease from?
Restriction endonucleases are enzymes found in bacteria and archaea. They are part of the bacteria's defense mechanism against invading foreign DNA, such as viruses, by cutting it into smaller fragments. These enzymes are widely used in molecular biology for techniques like gene cloning and DNA fingerprinting.
What blood cells engulfing eating disease causing bacteria is an example of what?
Phagocytosis by white blood cells, such as macrophages and neutrophils, is an example of the immune system's innate defense mechanism against disease-causing bacteria. These cells recognize and engulf the bacteria to prevent infection and promote immunity.
Why do bacteria naturally contain restriction enzymes?
Restriction enzymes are the bacteria's form of an 'immune system' against viruses (which can infect bacteria). When viruses try to insert their own DNA into a bacteria's genome, the restriction enzymes detect this foreign DNA and cut it out so that the viruses can't replicate and kill the cell.
