CHEM 210 BIOCHEMISTRY MODULE 6
STUDY GUIDE 2026 — PRACTICE
QUESTIONS, CORRECT ANSWERS AND
DETAILED EXPLANATIONS DNA, RNA AND
NUCLEOTIDES
1. A base, ribose, and phosphoric acid. - CORRECT ANSWER -The
monomers of RNA nucleic acids, called nucleotides, consist of 3 parts.
What are those 3 parts?
2. guanine (purine) - CORRECT ANSWER -Identify the following
structure.
3. adenine (purine) - CORRECT ANSWER -Identify the following
structure.
4. thymine (pyrimidine) - CORRECT ANSWER -Identify the following
structure.
5. cytosine (pyrimidine) - CORRECT ANSWER -Identify the following
structure.
6. uracil (pyrimidine) - CORRECT ANSWER -Identify the following
structure.
, 7. purine - CORRECT ANSWER -Identify the following structure.
8. pyrimidine - CORRECT ANSWER -Identify the following structure.
9. nucleoside (with purine base) - CORRECT ANSWER -Identify the
following structure.
10. nucleotide - CORRECT ANSWER -Identify the following
structure.
11. thymine - CORRECT ANSWER -In DNA, adenine always pairs with
12.guanine - CORRECT ANSWER -In RNA, cytosine always pairs with
13.uracil - CORRECT ANSWER -In RNA, adenine always pairs with
14.nucleotides - CORRECT ANSWER -DNA is built from which of the
following?
a. nucleosides
b. genes
c. purines
d. nucleotides
e. codons
STUDY GUIDE 2026 — PRACTICE
QUESTIONS, CORRECT ANSWERS AND
DETAILED EXPLANATIONS DNA, RNA AND
NUCLEOTIDES
1. A base, ribose, and phosphoric acid. - CORRECT ANSWER -The
monomers of RNA nucleic acids, called nucleotides, consist of 3 parts.
What are those 3 parts?
2. guanine (purine) - CORRECT ANSWER -Identify the following
structure.
3. adenine (purine) - CORRECT ANSWER -Identify the following
structure.
4. thymine (pyrimidine) - CORRECT ANSWER -Identify the following
structure.
5. cytosine (pyrimidine) - CORRECT ANSWER -Identify the following
structure.
6. uracil (pyrimidine) - CORRECT ANSWER -Identify the following
structure.
, 7. purine - CORRECT ANSWER -Identify the following structure.
8. pyrimidine - CORRECT ANSWER -Identify the following structure.
9. nucleoside (with purine base) - CORRECT ANSWER -Identify the
following structure.
10. nucleotide - CORRECT ANSWER -Identify the following
structure.
11. thymine - CORRECT ANSWER -In DNA, adenine always pairs with
12.guanine - CORRECT ANSWER -In RNA, cytosine always pairs with
13.uracil - CORRECT ANSWER -In RNA, adenine always pairs with
14.nucleotides - CORRECT ANSWER -DNA is built from which of the
following?
a. nucleosides
b. genes
c. purines
d. nucleotides
e. codons
