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Author Question: Which pair of amino acids can form hydrogen bonds between their R groups? A) arginine and ... (Read 85 times)

CQXA

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on: Aug 27, 2018
Which pair of amino acids can form hydrogen bonds between their R groups?
 
  A) arginine and glutamate
  B) aspartate and lysine
  C) leucine and alanine
  D) glutamine and serine
  E) glycine and asparagine

Question 2

What is the concentration of NO3- ions in a solution prepared by dissolving 25.0 g of Ca(NO3)2 in enough water to produce 300. mL of solution?
 
  A) 0.254 M
  B) 0.508 M
  C) 0.672 M
  D) 1.02 M


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k.lashomb

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

D

Answer to Question 2

D


CQXA

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Reply 2 on: Aug 27, 2018
Wow, this really help

31809pancho

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Reply 3 on: Yesterday
Gracias!

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