CHEM 210 Biochemistry
Module 6 Exam 2025/2026 | Portage Learning
Questions & Verified Answers | Comprehensive
Study Guide
THIS EXAM INCLUDES:
• CHEM 210 Biochemistry Module 6 exam review
• Updated practice questions
• Verified answers with concise explanations
• High-yield biochemistry concepts
• Biomolecules and metabolic pathways review
• Enzyme structure, function, and regulation
• Carbohydrate, lipid, and protein metabolism
• Nucleic acids and gene expression overview
• Clinical biochemistry applications
• Comprehensive exam preparation
• Instant digital download
• Updated for the 2025/2026 academic year
, CHEM 210 Biochemistry Module 6
Exam 2025/2026 | Portage Learning
Questions & Verified Answers |
Comprehensive Study Guide
1. In DNA, adenine always pairs with ______.
A) Thymine
B) Guanine
C) Uracil
D) Cytosine
Answer: A) Thymine
2. DNA is built from which of the following?
A) Nucleosides
B) Genes
C) Purines
D) Nucleotides
E) Codons
Answer: D) Nucleotides
3. The double helix of DNA is stabilized mainly by ______.
A) Ionic bonds
B) Covalent bonds
, C) Ion-dipole bonds
D) Hydrogen bonds
E) Hydrogen covalent bonds
Answer: D) Hydrogen bonds
4. Which of the following pentose sugars is a constituent of DNA?
A) Xylose
B) Ribitol
C) 2-deoxyribose
D) Arabinose
E) Ribose
Answer: C) 2-deoxyribose
5. Pyrimidines have ______ ring(s), (each) containing ______ nitrogen(s),
whereas purines have ______ ring(s), (each) containing ______
nitrogen(s).
A) 1; 1; 1; 1
B) 1; 2; 2; 2
C) 2; 2; 1; 2
D) 2; 1; 1; 2
E) 2; 2; 1; 1
Answer: B) 1; 2; 2; 2
Module 6 Exam 2025/2026 | Portage Learning
Questions & Verified Answers | Comprehensive
Study Guide
THIS EXAM INCLUDES:
• CHEM 210 Biochemistry Module 6 exam review
• Updated practice questions
• Verified answers with concise explanations
• High-yield biochemistry concepts
• Biomolecules and metabolic pathways review
• Enzyme structure, function, and regulation
• Carbohydrate, lipid, and protein metabolism
• Nucleic acids and gene expression overview
• Clinical biochemistry applications
• Comprehensive exam preparation
• Instant digital download
• Updated for the 2025/2026 academic year
, CHEM 210 Biochemistry Module 6
Exam 2025/2026 | Portage Learning
Questions & Verified Answers |
Comprehensive Study Guide
1. In DNA, adenine always pairs with ______.
A) Thymine
B) Guanine
C) Uracil
D) Cytosine
Answer: A) Thymine
2. DNA is built from which of the following?
A) Nucleosides
B) Genes
C) Purines
D) Nucleotides
E) Codons
Answer: D) Nucleotides
3. The double helix of DNA is stabilized mainly by ______.
A) Ionic bonds
B) Covalent bonds
, C) Ion-dipole bonds
D) Hydrogen bonds
E) Hydrogen covalent bonds
Answer: D) Hydrogen bonds
4. Which of the following pentose sugars is a constituent of DNA?
A) Xylose
B) Ribitol
C) 2-deoxyribose
D) Arabinose
E) Ribose
Answer: C) 2-deoxyribose
5. Pyrimidines have ______ ring(s), (each) containing ______ nitrogen(s),
whereas purines have ______ ring(s), (each) containing ______
nitrogen(s).
A) 1; 1; 1; 1
B) 1; 2; 2; 2
C) 2; 2; 1; 2
D) 2; 1; 1; 2
E) 2; 2; 1; 1
Answer: B) 1; 2; 2; 2
