16. Which vitamin is essential to vision? (A) vitamin A (B) vitamin C (C) vitamin D2 (D) vitamin B12 (E) vitamin B1

16. Which vitamin is essential to vision?
(A) vitamin A
(B) vitamin C
(C) vitamin D2
(D) vitamin B₁₂
(E) vitamin B₁

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B1 · 2025/10/19

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題目解析這道題目考察了不同維生素對於...

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22. All of the statements about the classification of these amino acids are correct EXCEPT: (A) Aspartic acid and asparagine are acidic amino acids. (B) Alanine and valine are neutral, nonpolar amino acids. (C) Serine and glutamine are polar, uncharged amino acids. (D) Lysine and arginine are basic amino acids. (E) Tyrosine and phenylalanine are aromatic amino acids.

16. Which vitamin is essential to vision?
(A) vitamin A
(B) vitamin C
(C) vitamin D2
(D) vitamin B₁₂
(E) vitamin B₁

詳解 (共 1 筆)

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