Table of contents

1. Matter and Measurements4h 31m
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 27m
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. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
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

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2:52 minutes

Problem 69a

Textbook Question

Provide the amino acid corresponding to each of the following codons:
a. UUG

Verified step by step guidance

Step 1: Understand the problem. The question asks to identify the amino acid corresponding to the given codon (UUG). Codons are sequences of three nucleotides in mRNA that specify particular amino acids during protein synthesis.

Step 2: Recall the genetic code. The genetic code is a set of rules that translates codons into amino acids. Each codon corresponds to one amino acid or a stop signal. For example, UUG is one of the codons in the genetic code.

Step 3: Use a codon table. Refer to a standard codon table to find the amino acid associated with UUG. Codon tables are widely available in textbooks or online resources and list all 64 codons and their corresponding amino acids.

Step 4: Locate UUG in the codon table. UUG is found in the table under the codons for the amino acid leucine (Leu). This codon specifically codes for leucine.

Step 5: Confirm your understanding. Ensure that you correctly identified UUG as coding for leucine by cross-checking with multiple reliable sources or references to avoid errors.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Codons

Codons are sequences of three nucleotides in mRNA that correspond to specific amino acids or stop signals during protein synthesis. Each codon is part of the genetic code, which translates the information encoded in DNA into functional proteins. Understanding codons is essential for interpreting how genetic information is expressed in living organisms.

Amino Acids

Amino acids are organic compounds that serve as the building blocks of proteins. There are 20 standard amino acids, each with a unique side chain that determines its properties and role in protein structure and function. The sequence of amino acids in a protein is dictated by the order of codons in the mRNA, making it crucial to know which codons correspond to which amino acids.

Genetic Code

The genetic code is a set of rules that defines how sequences of nucleotides in DNA and RNA are translated into amino acids. It is nearly universal among all organisms and consists of 64 codons that specify 20 amino acids and three stop signals. Understanding the genetic code is vital for decoding mRNA sequences and predicting the resulting protein structure and function.

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Related Practice

Textbook Question

What is the amino acid for each of the following codons?

a. CAA

1125

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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?

AUG UAC GGU GGA UUU CUA UAA

544

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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?

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

954

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Textbook Question

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

c. AUC

770