Multiple choice

Which of the following has the ability to produce the protein colony stimulating factor?

  1. B lymphocytes

  2. T lymphocytes

  3. Basophils

  4. Plasma

  5. Neutrophils
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Colony Stimulating Factors (CSFs) are secreted glycoproteins that bind to receptor proteins on the surfaces of hematopoietic stem cells, and stimulate stem cells in bone marrow to form specialised white blood cells that defend the body against infection from viruses. It can also be produced by fibroblasts, macrophages and endothelial cells.

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