Biochem Module 6 Exam – Comprehensive Questions & Answers | 2026 Updated Exam Preparation | Biochemistry Module 6 Assessment | Detailed Explanations & Key Concepts

Biochemistry Module 6 Exam Questions & Answers | Comprehensive Exam Preparation | Detailed Explanations | 2026 Updated Edition | Grade A Success Question and answer Non-covalent interactions contribute to the 3D shape and structures of RNA molecules by allowing RNA to fold on itself via hydrogen bonding between complementary base pairs. Nucleotides interact with complementary resides to produce a secondary structure. CORRECT ANSWERBriefly describe how non-covalent interactions contribute to the 3D shapes and structures of RNA molecules. The Z-form of DNA is left-handed, while the A-form of DNA is right-handed. CORRECT ANSWERIn one sentence, identify the most noticeable difference between between the A-form and Z-form of DNA. (A) nucleotides CORRECT ANSWERIn nucleic acid chemistry, compounds that contain an organic nitrogen-containing base, sugar, and phosphate group are called _(A)_. (B) adenine and guanine CORRECT ANSWERTwo purines found in DNA are _(B)_ . (C) uracil CORRECT ANSWERA pyrimidine found in all RNA, but not in DNA is _(C)_. (D) cytosine and guanine CORRECT ANSWERIn DNA, the pair _(D)_ is held together by 3 hydrogen bonds.