35. Successive base pairs in B-DNA show a rotation with respect to each other (so-called helical twist) of (A) 34°, (B) 36°, (C) 38°, (D) 32°, (E) 40°.

35. Successive base pairs in B-DNA show a rotation with respect to each other (so-called helical twist) of
(A) 34°,
(B) 36°,
(C) 38°,
(D) 32°,
(E) 40°.

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B1 · 2025/09/29

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題目解析這個考題主要考察的是B型DN...

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4. A Ramachandran plot shows (A) the amino acid residues which have the greatest degree of rotational freedom, (B) the sterically allowed rotational angles between R groups and α-carbons in a peptide, (C) the sterically allowed rotational angles between Cα and the amide nitrogen (Cα-N) as well as between Cα and the amide carbonyl carbon (Cα-CO), (D) the sterically allowed rotational angles about the amide nitrogen (NH) and CO, (E) the amino acid residues that form α-helix, β-sheet, etc.

35. Successive base pairs in B-DNA show a rotation with respect to each other (so-called helical twist) of
(A) 34°,
(B) 36°,
(C) 38°,
(D) 32°,
(E) 40°.

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