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Author Question: Each hemoglobin molecule contains A) four alpha chains. B) one alpha and one beta chain. C) four ... (Read 51 times)

cherise1989

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on: Feb 27, 2019
Each hemoglobin molecule contains
 A) four alpha chains.
  B) one alpha and one beta chain.
  C) four iron atoms.
  D) one heme group.
  E) a molecule of oxygen and a molecule of carbon dioxide.

Question 2

When the temperature of the preoptic area of the hypothalamus exceeds its thermostat setting,
 A) peripheral vasoconstriction occurs.
  B) skin blood flow increases.
  C) rate and depth of respiration decreases.
  D) sweat glands are inhibited.
  E) blood is shunted to deep veins.


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6ana001

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Reply #1 on: Feb 27, 2019
Answer to Question 1

C

Answer to Question 2

B


cherise1989

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Reply 2 on: Feb 27, 2019
Excellent

cassie_ragen

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Reply 3 on: Yesterday
Wow, this really help

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