Which of the Following Has (Have)both a Favorable Hydrogen Bonding $\phi$

question 9

Multiple Choice

Which of the following has (have) both a favorable hydrogen bonding pattern and $\phi$ and $\varPsi$ values that fall within the allowed Ramachandran conformational regions?

• A)"\(\alpha\) helix"
• B)"collagen helix"
• C)"\(\beta\) sheet"
• D)"all of the above"
• E)"none of the above"