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Author Question: Hemoglobin is a red pigment that contains _______. It has the ability to bind oxygen to itself. ... (Read 88 times)

krzymel

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on: Jun 25, 2018
Hemoglobin is a red pigment that contains _______. It has the ability to bind oxygen to itself.
 
  a. hydrogen
  b. iron
  c. magnesium
  d. vitamin D

Question 2

________ An allergy is an abnormal response or hypersensitivity to a substance that does not normally cause a reaction in most people.
 
  Indicate whether the statement is true or false


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bfulkerson77

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Reply #1 on: Jun 25, 2018
Answer to Question 1

b

Answer to Question 2

True


krzymel

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Reply 2 on: Jun 25, 2018
Great answer, keep it coming :)

strudel15

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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