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Author Question: The mass number of Br-81 is ________. A) 81 B) 79.904 C) 79 D) 46 E) ... (Read 52 times)

melly21297

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on: Aug 27, 2018
The mass number of Br-81 is ________.
 
  A) 81
  B) 79.904
  C) 79
  D) 46
  E) 35

Question 2

Collagen is an example of a(an)
 
  A) enzyme.
  B) structural protein.
  C) storage protein.
  D) transport protein.
  E) hormone.


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harveenkau8139

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Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

B


melly21297

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Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


harveenkau8139

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Reply #3 on: Aug 27, 2018
Great! Please up vote :D


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