Biomolecules (Biology)

Alpha-helix is found in which level of protein structure?

1. Secondary structure
2. Primary structure
3. Tertiary structure
4. Quaternary structure

Match List I with List II :

1. A-III, B-IV, C-II, D-I
2. A-IV, B-III, C-II, D-I
3. A-I, B-II, C-III, D-IV
4. A-III, B-II, C-IV, D-I

Identify the correct statements about biomolecules. Choose the correct answer from the options given below :

1. A, B and C only
2. B, D and E only
3. B, C and E only
4. C, D and E only