Table of contents

1. Matter and Measurements4h 29m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 35m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines38m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 46m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

26. Nucleic Acids and Protein Synthesis

The Genetic Code

GOB Chemistry

26. Nucleic Acids and Protein Synthesis

The Genetic Code

Previous problemNext problem

Multiple Choice

Determine the number of bases in the information strand for the gene that codes for the peptide below:
Pro–His–Gly–Gly–Lys–Arg

Previous problemNext problem

3:25m

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Related Practice

Textbook Question

List possible codon sequences for the following amino acids.

a. Val

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Textbook Question

Identify the amino acid for which the codon GAG codes, and what other codon could encode for this same amino acid?

116

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Textbook Question

What amino acids do the following sequences code for?

a. AUC

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Textbook Question

Which amino acid(s) have the most codons?

191

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Textbook Question

Look at Table 26.3 and find codons for the following amino acids:

a. Val

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Textbook Question

Insulin is synthesized as preproinsulin, which has 81 amino acids. How many heterocyclic bases must be present in the informational DNA strand to code for preproinsulin (assuming no introns are present)?

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Textbook Question

What amino acid is coded for by each of the following mRNA codons?

c. CGG

173

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Textbook Question

Use three-letter and one-letter abbreviations to write the amino acid sequence for the peptide from each of the following mRNA sequences:

a. ACC ACA ACU

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Textbook Question

Use three-letter and one-letter abbreviations to write the amino acid sequence for the peptide from each of the following mRNA sequences:

c. UAC GGG AGA UGU

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Textbook Question

Use three-letter and one-letter abbreviations to write the amino acid sequence for the peptide from each of the following mRNA sequences:

c. AUG CAC AAG GAA GUA CUG

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Textbook Question

What are the possible codons for each of the following amino acids? (17.5)

a. threonine

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Textbook Question

What are the possible codons for each of the following amino acids? (17.5)

b. arginine

123

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Textbook Question

What is the amino acid for each of the following codons? (17.5)

a. CAA

110

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Textbook Question

Endorphins are polypeptides that reduce pain. What is the amino acid order for the endorphin leucine enkephalin (leu-enkephalin), which has the following mRNA? (17.5)

AUG UAC GGU GGA UUU CUA UAA

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Textbook Question

Endorphins are polypeptides that reduce pain. What is the amino acid order for the endorphin methionine enkephalin (met-enkephalin), which has the following mRNA? (17.5)

AUG UAC GGU GGA UUU AUG UAA

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Textbook Question

Provide the amino acid corresponding to each of the following codons:

b. CCA

113

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Textbook Question

Provide the amino acid corresponding to each of the following codons:

a. UUG

107

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