Multiple Choice
Which of the following statements are true regarding chloride?
I. Functions as a buffer in blood.
II. Major intracellular electrolyte.
III. Deficiency is rare but can be caused by dehydration.
8. Water and Minerals
Major Mineral: Chloride, Magnesium, & Sulfur
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Which major mineral is commonly found as a component of amino acids in proteins (e.g., methionine and cysteine)?
A
Sulfur
B
Magnesium
C
Chloride
D
Sodium
Verified step by step guidance1
Understand that amino acids are the building blocks of proteins, and some amino acids contain specific elements that are essential for their structure and function.
Identify the amino acids mentioned in the problem, methionine and cysteine, and recognize that they contain a particular mineral element that is not common to all amino acids.
Recall that methionine and cysteine are sulfur-containing amino acids, meaning sulfur is a key component of their molecular structure.
Compare the options given (Sulfur, Magnesium, Chloride, Sodium) and determine which mineral is chemically part of these amino acids.
Conclude that sulfur is the major mineral commonly found as a component of amino acids like methionine and cysteine.
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Major Mineral: Chloride, Magnesium, & Sulfur practice set
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