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CHEM 210 Module 6 Exam Questions & Answers | Biochemistry Study Guide, Exams of Biochemistry

University of California - BerkeleyBiochemistry

INSTANT PDF DOWNLOAD — CHEM 210 Module 6 Exam study guide with verified questions and answers for 2026 biochemistry exam preparation. Covers nucleosides vs nucleotides, purines and pyrimidines, ribose and deoxyribose structures, thymine and uracil, nucleic acid chemistry, and biomolecule concepts. Ideal for chemistry, biology, pre-med, and nursing students preparing for module exams and quizzes. CHEM 210 module 6 answers, biochemistry module 6 PDF, nucleoside vs nucleotide questions, purines and pyrimidines study guide, CHEM 210 exam prep, ribose deoxyribose questions, nucleic acid chemistry answers, biochemistry verified answers, CHEM 210 practice test, nucleotide structure questions, pyrimidine and purine exam, biology chemistry study guide, DNA RNA structure questions, biochemistry review PDF, chemistry module exam answers, nucleic acid practice questions, CHEM 210 newest exam, organic chemistry biomolecules, biochem test bank PDF, molecular biology study material

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2025/2026

Available from 05/28/2026

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CHEM 210 Module 6 Exam Newest
1. What is the difference between a nucleoside and nucleotide?: A nucleoside is formed
from the covalent bonding of a base (purine or pyrimidine) to either ribose (RNA) or 2-
deoxyribose (DNA). Nucleotides are built from a nitrogen-containing organic base, a
monosaccharide, and phosphate.
2. What characteristic makes purines and pyrimidine heterocyclic?: Each has a ring
with nitrogen in the ring instead of all carbon atoms in the ring.
3. Is this molecule ribose or 2-deoxyribose? Briefly explain what structural
information was used to determine this.: Ribose. This molecule contains an -OH on carbon
2. 2-deoxyribose has an -H atom on the second carbon.
4. Is the following a pyrimidine or purine? Provide the name and one-letter
symbol.: Pyrimidine. It is thymine (T).
5. What is the difference between thymine and uracil?: These two bases differ by a
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CHEM 210 Module 6 Exam Newest

  1. What is the difference between a nucleoside and nucleotide?: A nucleosideis formed from the covalent bonding of a base (purine or pyrimidine) to either ribose(RNA) or 2- deoxyribose (DNA). Nucleotides are built from a nitrogen-containing organic base, a monosaccharide, and phosphate.
  2. What characteristic makes purines and pyrimidine heterocyclic?: Each hasa ring with nitrogen in the ring instead of all carbon atoms in the ring.
  3. Is this molecule ribose or 2-deoxyribose? Briefly explain what structural information was used to determine this.: Ribose. This molecule contains an -OHon carbon
  4. 2-deoxyribose has an -H atom on the second carbon.
  5. Is the following a pyrimidine or purine? Provide the name and one-letter symbol.: Pyrimidine. It is thymine (T).
  6. What is the difference between thymine and uracil?: These two bases differ by a

methyl group. Thymine has an extra methyl group on the ring.

  1. From the course and module information, where in a eukaryotic or prokary-otic cell, is the DNA located? How about the RNA?: DNA is located in the nucleus of a eukaryotic cell or the nucleoid of a prokaryotic cell. RNA is found in the nucleus, on the ribosome, and in other parts of the cell.
  2. Which DNA and RNA bases contain a carbonyl group?: Guanine, cytosine, thymine, and uracil all contain C=O group attached to the rings. Adenine is the onlybase that does not.
  3. What constitutes the backbone of DNA?: In DNA, this consists of the alternat-ing deoxyribose and phosphate groups linked together through covalent bonds.
  4. How many hydrogen bonds form between A and T?: Two hydrogen bonds areformed between these two bases. G and C form three H-bonds.
  5. Which nucleic acid is single-stranded?: RNA. RNA forms single strands. (Particularly, this was noted in this module for tRNA.) DNA forms a double helix.