CHEM 210 / CHEM210 Module 3: (NEW 2025/ 2026 Update) Biochemistry | Questions & Answers| Grade A| 100% Correct (Verified Solutions)- Portage Learning

CHEMl 210l /l CHEM210l Modulel 3:l
(NEWl 2025/l 2026l Update)l Biochemistryl |l
Questionsl &l Answers|l Gradel A|l 100%l
Correctl (Verifiedl Solutions)-l Portagel
Learning


QUESTION
Roughlyl howl manyl aminol acidsl arel therel inl onel turnl ofl anl alphal helix?
1
2.8l
3.6
4.2
10


Answer:
3.6




QUESTION
Inl anl alphal helix,l thel Rl groupsl onl thel aminol acidl residues:
Alternatel betweenl thel outsidel andl insidel ofl thel helixl
Arel foundl onl thel outsidel ofl thel helixl spirall
Causel onlyl right-handedl helicesl tol forml Generatel thel hydrogenl bondsl thatl
forml thel helixl
Stackl withinl thel interiorl ofl thel helix

, Answer:
Arel foundl onl thel outsidel ofl thel helixl spiral




QUESTION
Motifsl arel classifiedl primarilyl byl their:
Aminol acidl sequence
Evolutionaryl relationshipsl
Functionl
Secondaryl structurel contentl andl arrangement
Subunitl contentl andl arrangement


Answer:
Secondaryl structurel contentl andl arrangement




QUESTION
Al singlel foldedl polypeptidel hasl al globularl shape,l whichl describesl itsl
________l structure.
Secondaryl
Tertiaryl
Quaternaryl
Quasil
Motif