CD4 cells are infection-fighting white blood cells.
<h3>What are CD4 cells?</h3>
White blood cells called CD4 cells also referred to as T cells, are crucial components of your immune system because they combat infection. When a person has HIV, their CD4 count is used to determine how well their immune system is functioning (human immunodeficiency virus).
HIV not only attacks CD4 cells but also makes use of them to spread the infection. HIV uses the CD4 cells' capacity for viral replication to kill CD4 cells by producing more of the virus. The CD4 cells ultimately enlarge and explode as a result of this. HIV weakens the immune system by destroying CD4 cells.
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Answer:
C- Per-mineralized
Explanation:
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the first question is Robert Remak
the second is Rudolf Virchow and he borrowed the information from Robert Remak
Answer:
False
Explanation:
The thyroid gland secrete two thyroid hormones called thyroxine and triiodothyronine. Thyroxine is the in active form which is later converted to the active form triiodothyronine by kidneys and livers. The two hormones function by increasing the metabolic activities of tissues. They increase the body heat production which in turn increase oxygen consumption and ATP hydrolysis because they burn body fat thereby increasing energy production and increasing basal metabolic rate. They regulate body temperature.
The provided question is incomplete as the options are not given, however on the general knowledge the answer is given:
Answer:
The correct answer is - cytoskeleton, plant cell wall, plasma membrane.
Explanation:
The cytoskeleton is the component that helps in the provided different functions in an organism such as maintaining cell shape, cell signaling by filament systems regulation, and facilitate movement and support.
The plant cell wall also helps in providing the cell to maintain its shape and offers the structural support and cell to cell communication is done by the plasmodesmata that also helps in the movement of the small molecules to transfer from one to another.
The plasma membrane has specific receptors present on them that help in the cell signaling, plasma membrane is semi-permeable and so are able to transport the molecules selectively or with the help of transport protein.
Thus, the correct answer is - cytoskeleton, plant cell wall, plasma membrane.
