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ivanzaharov [21]
2 years ago
5

Plsssss help (number 9)))

Biology
1 answer:
stich3 [128]2 years ago
7 0
Fatmagul neushe mode
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a.  the reindeer population exceeded it carrying capacity

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not enough food for the reindeers  due to an increase in deer population.

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discuss the indications for the placement of provisional coverage for a crown or a fixed bridge preparation?
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Explanation:

Based on the information provided within the question it can be said that there are various reasons for the placement of this, most of the reasons include,

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According to the passage, which of the following topics of study was the most crucial to his final analysis?
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This question relates to the studies that Gregor Mendel, founder of modern genetics, performed at the University of Vienna.

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How can humans have a positive impact on air quality?
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by using public transportation instead of driving a car. O by moving to a large city, where air quality is better. by removing vegetation such as trees and shrubs. What is the answer.

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What happens after activation of T cells<br>​
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Helper T cells are arguably the most important cells in adaptive immunity, as they are required for almost all adaptive immune responses. They not only help activate B cells to secrete antibodies and macrophages to destroy ingested microbes, but they also help activate cytotoxic T cells to kill infected target cells.

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Helper T cells become activated when they are presented with peptide antigens by MHC class II molecules, which are expressed on the surface of antigen-presenting cells (APCs). Once activated, they divide rapidly and secrete cytokines that regulate or assist the immune response.

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