Textbook Question
If a double-stranded DNA molecule is 22% G, what is the percentage of A, T, and C? Explain.
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Ch.26 Nucleic Acids and Protein Synthesis
McMurry8th EditionFundamentals of GOBISBN: 9780134015187
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Table of contents
- Ch.1 Matter and Measurements27
- Ch.2 Atoms and the Periodic Table20
- Ch.3 Ionic Compounds8
- Ch.4 Molecular Compounds23
- Ch.5 Classification & Balancing of Chemical Reactions12
- Ch.6 Chemical Reactions: Mole and Mass Relationships28
- Ch.7 Chemical Reactions: Energy, Rate and Equilibrium64
- Ch.8 Gases, Liquids and Solids24
- Ch.9 Solutions52
- Ch.10 Acids and Bases25
- Ch.11 Nuclear Chemistry22
- Ch.12 Introduction to Organic Chemistry: Alkanes57
- Ch.13 Alkenes, Alkynes, and Aromatic Compounds47
- Ch.14 Some Compounds with Oxygen, Sulfur, or a Halogen50
- Ch.15 Aldehydes and Ketones45
- Ch.16 Amines42
- Ch.17 Carboxylic Acids and Their Derivatives57
- Ch.18 Amino Acids and Proteins82
- Ch.19 Enzymes and Vitamins63
- Ch.20 Carbohydrates44
- Ch.21 The Generation of Biochemical Energy65
- Ch.22 Carbohydrate Metabolism45
- Ch.23 Lipids42
- Ch.24 Lipid Metabolism33
- Ch.25 Protein and Amino Acid Metabolism24
- Ch.26 Nucleic Acids and Protein Synthesis45
Chapter 26, Problem 56
What is an anticodon, and on what kind of nucleic acid is it found?
Verified step by step guidance1
Understand the concept of an anticodon: An anticodon is a sequence of three nucleotides that is complementary to a codon on messenger RNA (mRNA). It plays a crucial role in protein synthesis during translation.
Identify the type of nucleic acid where anticodons are found: Anticodons are located on transfer RNA (tRNA), which is a type of RNA responsible for bringing amino acids to the ribosome during translation.
Learn the relationship between codons and anticodons: Codons are three-nucleotide sequences on mRNA that specify a particular amino acid. The anticodon on tRNA pairs with the codon on mRNA through complementary base pairing.
Explore the base pairing rules: The bases in the anticodon pair with the bases in the codon according to the rules of complementary base pairing (adenine pairs with uracil, and cytosine pairs with guanine in RNA).
Understand the role of anticodons in translation: During translation, the anticodon ensures that the correct amino acid is added to the growing polypeptide chain by matching the codon on mRNA with the corresponding amino acid carried by the tRNA.
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Key Concepts
Here are the essential concepts you must grasp in order to answer the question correctly.
Anticodon
An anticodon is a sequence of three nucleotides in transfer RNA (tRNA) that is complementary to a corresponding codon in messenger RNA (mRNA). It plays a crucial role in the process of translation, where the anticodon pairs with the codon to ensure the correct amino acid is added to the growing polypeptide chain during protein synthesis.
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tRNA (Transfer RNA)
Transfer RNA (tRNA) is a type of nucleic acid that serves as an adaptor molecule in protein synthesis. Each tRNA molecule carries a specific amino acid and has an anticodon that matches a codon on the mRNA strand. This pairing is essential for translating the genetic code into functional proteins.
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Codon
A codon is a sequence of three nucleotides in mRNA that specifies a particular amino acid or a stop signal during protein synthesis. Codons are read by the ribosome during translation, and the sequence of codons determines the order of amino acids in a protein, ultimately influencing its structure and function.
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Related Practice
Textbook Question
How are replication, transcription, and translation similar? How are they different?
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Textbook Question
Rank the following in order of size: tRNA, DNA, mRNA.
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Textbook Question
Which amino acid(s) have the most codons?
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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
If the sequence T-A-C-C-C-T appears on the informational strand of DNA, what sequence appears opposite it on the template strand? Label your answer with 3′ and 5′ ends.
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