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cluponka [151]
2 years ago
6

Question 13 of 25 skin stem cells can only produce other skin cells. what does this indicate about skin stem cells?

Biology
1 answer:
lys-0071 [83]2 years ago
6 0

Answer:

That they are unipotent

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The statement is true

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Hematopoietic stem cells give rise to myeloid progenitor and lymphoid progenitor and these two progenitors give rise to many immune cells. Dendritic cells are produced by both the progenitors and macrophages are produced by myeloid progenitor.

Both macrophages and dendritic cells are phagocytes. In phagocytosis, the foreing particles are injected by these phagocytes and they are destryoyed by the action of digestive enzymes present in these phagocytic cells.  

Macrophages are present in tissue and if they are present in blood they are called monocytes. Therefore the statement is true.

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A scientist working in a lab wants to determine the precise pH of a solution. Which tool should the scientist use to measure pH?
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PH meter, which is a device used to measure hydrogen-ion activity in the solution. A PH meter is a voltmeter stuck to a pH electrode and a reference electrode. -maclittleseed

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Answer:

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Developmental psychologists study physical, cognitive, and ________ changes throughout the human life span.
statuscvo [17]

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