Multiple Choice
Which of the following statements about trans fatty acids is true?
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1. Introduction to Biochemistry
Characteristics of Life
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Which of the following elements are found in the mineral hydroxyapatite, the primary inorganic component of bone?
A
Magnesium, zinc, copper, and selenium
B
Sodium, potassium, chlorine, and magnesium
C
Calcium, phosphorus, oxygen, and hydrogen
D
Iron, sulfur, nitrogen, and carbon
Verified step by step guidance1
Step 1: Understand the composition of hydroxyapatite, which is the primary inorganic component of bone. Its chemical formula is typically represented as Ca₁₀(PO₄)₆(OH)₂.
Step 2: Break down the formula into its constituent elements. Hydroxyapatite contains calcium (Ca), phosphate groups (PO₄), and hydroxide ions (OH).
Step 3: Analyze the elements present in the phosphate group (PO₄). Phosphorus (P) and oxygen (O) are part of this group.
Step 4: Analyze the elements present in the hydroxide ion (OH). This contributes hydrogen (H) and oxygen (O) to the composition.
Step 5: Combine all the elements identified: calcium (Ca), phosphorus (P), oxygen (O), and hydrogen (H). These are the elements found in hydroxyapatite.
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