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Answer:
The statement is true
Explanation:
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.
Answer:Common pathogenic bacteria and the types of bacterial diseases they cause include:
Escherichia coli and Salmonella cause food poisoning.
Helicobacter pylori cause gastritis and ulcers.
Explanation: i take advanced biology and we learning about what harmful diseases that bacteria can create
Answer:
As somatic cells are diploid (2n) 2n=56
gametes receive only haploid set so, n=28
