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Author Question: B cells are primarily activated by the activities of A) antigens. B) antibodies. C) helper T ... (Read 88 times)

tiara099

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on: Feb 28, 2019
B cells are primarily activated by the activities of
 A) antigens.
  B) antibodies.
  C) helper T cells.
  D) macrophages.
  E) plasma cells.

Question 2

What are the four types of sensory receptors for the general senses? What is the nature of the stimuli that excite each type?


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jrpg123456

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Reply #1 on: Feb 28, 2019
Answer to Question 1

C

Answer to Question 2

(1 ) Nociceptors: a variety of stimuli associated with tissue damage; (2 ) thermoreceptors: respond to changes in temperature; (3 ) mechanoreceptors: stimulated by physical distortion, contact, or pressure; and (4 ) chemoreceptors: monitor the presence of specific chemical substances.


tiara099

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Reply 2 on: Feb 28, 2019
Gracias!

Joy Chen

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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