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What kingdom do cells belong to?
Cheek cells belong to the kingdom Animalia. The cheek cells are considered to be eukaryotic. Bacteria cells belong to the kingdom Eubacteria.
What structure are the stinging cells of cnidarians located?
The stinging cells of cnidarians, called cnidocytes, are located on specialized structures called nematocysts. These nematocysts are found on the tentacles of cnidarians and are used for defense and capturing prey.
Is the process by which red blood cells are produced?
The process by which red blood cells are produced is called erythropoiesis. It occurs in the bone marrow and is regulated by the hormone erythropoietin, which stimulates the production of red blood cells from stem cells. Erythropoiesis is essential for maintaining a stable supply of red blood cells in the body to carry oxygen to tissues.
Stinging cells are a characteristic of members of this phylum.?
cnidaria
How many cells does the brain have?
The adult human brain typically contains around 86 billion nerve cells, or neurons. Additionally, the brain contains other types of cells called glial cells, which may outnumber neurons by up to 10 to 1. Overall, the brain is composed of a vast network of cells that work together to control bodily functions and processes.
What are the cells called that police the body in blood and lymph to kill cancer cells and virus infected body cells?
White blood cells that directly destroy virus-infected and cancerous cells are called?
In cell meditated immunity what binds to and tears open the cell membranes of invading cells or infected body cells?
T Cytotoxic Cells destroy infected body cells by making holes in the cell membranes using proteins called perforins. This allows water to rush into the cells, causing it to burst. They are actually called Killer T cells.
What substances do T cells produce to destroy cells infected by a virus?
T cells recognize these proteins and produce certain substances (cytokines) that destroy the infected cells.
What blood cells enter infected cells?
White blood cells
What kills cells infected with a pathogen?
Killer T Cells
Which of HIV infected cells are capable of crossing the blood brain barrier and infecting the brain with HIV?
Infected CD4 T-cells
How does a common cold virus affect the nose?
the cold virus attaches itself to the lining of the nasal passages and sinuses. This causes the infected cells to release a chemical called histamine. Histamine increases the blood flow to the infected cells, causing swelling, congestion
Which blood cells kill the infected blood cells in the bodys?
-White blood cells White blood cells are like policemen in bloodstream. They are constantly on patrol for infected cells. (Yes; they usually eat them -aka kill them.)
What are cytotoxic T cells for?
they are in our bodies to attack and kill infected cells!
How does interferon help virus infected cell?
Interferons are messenger molecules secreted by virus-infected cells to notify cells in the vicinity of a viral invasion.
What Is produced by virus-infected cells as a warning to noninfected cells in the area?
interferons
Are lymphocytes that directly kill virus- infected cells?
T cytotoxic cells
