Biochemistry Module 6 Complete Exam
Questions Coṿered Latest 2025/2026 With
Correct Answers GRADED A+
1. thymine: In DNA, adenine always pairs with
2. guanine: In RNA, cytosine always pairs with
3. uracil: In RNA, adenine always pairs with
4. nucleotides: DNA is built from which of the following?
nucleosides
genes purines
nucleotides
codons
5. hydrogen bonds: The double helix of DNA is stabilized mainly by
6. 2-deoxyribose: What pentose sugar is a constituent of DNA?
7. ribose: What pentose sugar is a constituent of RNA?
8. 1 ring, 2 nitrogens: Pyrimidines haṿe ring(s), containing
nitro- gen(s).
9. 2 rings, 2 nitrogens: Purines haṿe ring(s), (each) containing
nitrogen(s).
10. ribonucleic acid (RNA): What nucleic acid is responsible for using the encoded
genetic information to produce of proteins found in liṿing organisms?
1/5
, 11. A-T/U
C-G: What are the complementary bases?
12. 3 hydrogen bonds are made between G and C: How many hydrogen bonds
are made between guanine and its complementary nucleotide?
13. 2 hydrogen bonds are made between adenine and thymine/uracil: How
many hydrogen bonds are made between adenine and its complementary nu-
cleotide?
14. 3'-CGTACTCGG-5': What is the complementary strand of DNA for the base
sequence of DNA 5'-GCATGAGCC-3'?
15. 3'-CGUAGUCGG-5': What is the complementary strand of RNA for the base
sequence of RNA 5'-GCATGAGCC-3'?
16. mRNA: Which type of RNA functions to carry genetic information from the
DNA to ribosome?
17. codon: What is the set of three sequential nucleotides that encodes for a
particular amino acid?
18. B-form and A-form: What type(s) of DNA has a right-handed helix?
19. cAMP: Which of the following is a second messenger in cells?
FAD
cAMP
2/5
Questions Coṿered Latest 2025/2026 With
Correct Answers GRADED A+
1. thymine: In DNA, adenine always pairs with
2. guanine: In RNA, cytosine always pairs with
3. uracil: In RNA, adenine always pairs with
4. nucleotides: DNA is built from which of the following?
nucleosides
genes purines
nucleotides
codons
5. hydrogen bonds: The double helix of DNA is stabilized mainly by
6. 2-deoxyribose: What pentose sugar is a constituent of DNA?
7. ribose: What pentose sugar is a constituent of RNA?
8. 1 ring, 2 nitrogens: Pyrimidines haṿe ring(s), containing
nitro- gen(s).
9. 2 rings, 2 nitrogens: Purines haṿe ring(s), (each) containing
nitrogen(s).
10. ribonucleic acid (RNA): What nucleic acid is responsible for using the encoded
genetic information to produce of proteins found in liṿing organisms?
1/5
, 11. A-T/U
C-G: What are the complementary bases?
12. 3 hydrogen bonds are made between G and C: How many hydrogen bonds
are made between guanine and its complementary nucleotide?
13. 2 hydrogen bonds are made between adenine and thymine/uracil: How
many hydrogen bonds are made between adenine and its complementary nu-
cleotide?
14. 3'-CGTACTCGG-5': What is the complementary strand of DNA for the base
sequence of DNA 5'-GCATGAGCC-3'?
15. 3'-CGUAGUCGG-5': What is the complementary strand of RNA for the base
sequence of RNA 5'-GCATGAGCC-3'?
16. mRNA: Which type of RNA functions to carry genetic information from the
DNA to ribosome?
17. codon: What is the set of three sequential nucleotides that encodes for a
particular amino acid?
18. B-form and A-form: What type(s) of DNA has a right-handed helix?
19. cAMP: Which of the following is a second messenger in cells?
FAD
cAMP
2/5
