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MakcuM [25]
3 years ago
15

Dendritic cells and macrophages kill by ingestion and destruction of particulate matter in a process called phagocytosis. Dendri

tic cells and macrophages kill by ingestion and destruction of particulate matter in a process called phagocytosis. True False
Biology
1 answer:
Korvikt [17]3 years ago
6 0

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.

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Answer:

B IS THE ANSWER

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3 years ago
Individual organisms within a population differ in reproductive success; those that manage to successfully capture a larger amou
pav-90 [236]

Offsprings, natural selection, a measure of reproductive success.

Explanation:

Pattern of life history in individual or population evolve by Natural selection, Life history pattern optimizes the trade offs as energy spend in raising the offspring.

The energy resources in the earth is limited and organisms had to fight for the resources for growth, multiplication and survival.

The offspring with the traits will use the effective way to use the resources than with the siblings who lack the trait,

The reproductive success is ultimately a measure of natural selection.

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3 years ago
What is the correct classification of 18x?
Sindrei [870]

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3 years ago
When a triplet of bases in the coding sequence of dna is gca, the corresponding codon for the mrna that is transcribed from it i
lys-0071 [83]
In the DNA's double helix the nucleotides used are adenine (A), timine (T), Guanine (G), cytosine (C) and A will pair with T, while C will pair with G.

Meanwhile, RNA sequences are formed by the following nucleotides: adenine (A), uracil (U), Guanine (G), cytosine (C). In RNA, A pairs with U, while C will pair with G.
So, the DNA codon CGA would be transcribed on mRNA as GCU.




8 0
3 years ago
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