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Evgesh-ka [11]
3 years ago
12

Role of T helper cells in the specific immune response

Biology
2 answers:
liraira [26]3 years ago
4 0
The role of T helper cells is to released T cell cytokines and these cells help suppress or regulate the immune responses.
Paraphin [41]3 years ago
3 0

Answer:

T cells identify pathogens based on antigens on the surface of pathogens. The T cells then multiply and stimulate B cells to produce antibodies. The antibodies attach to the antigens, making the pathogens a target for phagocytes.

Explanation:

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3 years ago
List 3 factors that can speed up the rate of chemical reactions
zysi [14]

Answer:

  1. Temperature
  2. Greater Surface Area
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Explanation:

Temperature

  • An increase in temperature typically increases the rate of reaction. An increase in temperature will raise the average kinetic energy of the reactant molecules. Therefore, a greater proportion of molecules will have the minimum energy necessary for an effective collision (Figure. 17.5 “Temperature and Reaction Rate”).

Greater Surface Area

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Catalysts

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Hope this help!!!

7 0
3 years ago
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4 0
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Answer:

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Explanation:

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A soccer coach names the roster for the varsity soccer team. The team has 5 freshman and 4 seniors.
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The ratio would be 5:4
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