Fill in the blanks 1. the ____ atoms of the ____ groups and the hydrogen atoms a

Question

Fill in the blanks

1. the ____ atoms of the ____ groups and the hydrogen atoms attached to the ____ atoms form ____.

(answer choices; nitrogen, carbon, a-helices or b-pleated sheets, carbonyl, globular of firbrous structures, oxygen, amino, random coil, thiol)

2. In the a helix, hydrogen bonds form between the ____ oxygen atom and the ____ hydrogen atom of a peptide bond in _____. In the B-pleasted sheet, hydrogen bonds form between the ____ oxygen atom and the ____ hydrogen atom of a peptide bond in ____.

(answer choices; parallell sections of a long polypeptide chain, the next amino acid unit, carboxyl, the next turn of the helical chain, thiol, amino, carbonyl)

Explanation / Answer

1. the _nitrogen_atoms of the _amino_groups and the hydrogen atoms attached to the _oxygen_atoms form _a-helices or b-pleated sheets___.

2. In the a helix, hydrogen bonds form between the _carbonyl_oxygen atom and the _amino_hydrogen atom of a peptide bond in _the next amino acid unit_. In the B-pleasted sheet, hydrogen bonds form between the _carboxyl_oxygen atom and the _thiol___ hydrogen atom of a peptide bond in _ the next turn of the helical chain.

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