<h3><u>Answer</u>;</h3>
D. The Peyer’s patches can release B cells to destroy Listeria
<h3><u>Explanation;</u></h3>
- The lymphatic system helps maintain fluid balance in the body by collecting excess fluid and particulate matter from tissues and depositing them in the bloodstream.
- It also helps defend the body against infection by supplying disease-fighting cells called lymphocytes.
- <u>The lymph contains a high number of a type of white blood cells called lymphocytes. These cells fight infection and destroy damaged or abnormal cells</u>.
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When the influenza virus enters an epithelial cell, the infected cell responds by posting antigens and acting as a flag for cytotoxic T cells.
<h3>What is the cell-mediated response?</h3>
The cell-mediated response is a type of immune response where the organism is able to respond to pathogens by immune cells.
Macrophages (as well as other immune cells ) can act during cell-mediated immune responses.
In conclusion, when the influenza virus enters an epithelial cell, the infected cell responds by posting antigens and acting as a flag for cytotoxic T cells.
Learn more about cell mediated responses here:
brainly.com/question/24378503
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A gene is a segment of DNA that carries the hereditary traits and hereditary caracteristics.
Answer:
A small piece of circular DNA called a plasmid? is extracted from the bacteria or yeast cell. A small section is then cut out of the circular plasmid by restriction enzymes, 'molecular scissors'. The gene for human insulin is inserted into the gap in the plasmid. This plasmid is now genetically modified.
Explanation:
