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Author Question: Each heme ring in hemoglobin encloses an atom of A) magnesium. B) calcium. C) iron. D) sodium. ... (Read 79 times)

dejastew

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on: Feb 27, 2019
Each heme ring in hemoglobin encloses an atom of
 A) magnesium.
  B) calcium.
  C) iron.
  D) sodium.
  E) copper.

Question 2

A vitamin obtained that is a coenzyme in amino acid and lipid metabolism is
 A) pyridoxine (B6).
  B) thiamine.
  C) riboflavin.
  D) folic acid (folate).
  E) niacin.


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1_Step_At_ATime

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

C

Answer to Question 2

A


dejastew

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Reply 2 on: Feb 27, 2019
:D TYSM

Dominic

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

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