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Galina-37 [17]
3 years ago
7

2.Diffusion occurs from an area of ____ to ____ concentration?

Biology
2 answers:
Eddi Din [679]3 years ago
8 0
Of lower concentration and higher concentration
Orlov [11]3 years ago
8 0

Answer:

high to low concentration

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Question 1
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the first cells likely to encounter a pathogen, such as phagocytes, are professional antigen presenting cells (apcs). this means
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Professional antigen-presenting cells, such as phagocytes, are the first cells to encounter a pathogen (apcs). This means they have the ability to activate cells of the adaptive immune system.

<h3>What is meant by Pathogen?</h3>
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  • Long thought to be a component of the innate immune system, complement has recently emerged as an important regulator of the adaptive immune response.

Therefore the correct option is D)  can activate cells of the adaptive immune system.

To learn more about Pathogen, refer to:

brainly.com/question/1008643

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8 0
1 year ago
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