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Ch.11 Nucleic Acids Big Molecules with a Big Role
Frost - General, Organic and Biological Chemistry 4th Edition
Frost4th EditionGeneral, Organic and Biological ChemistryISBN: 9780134988696당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Frost 4th EditionCh.11 Nucleic Acids Big Molecules with a Big Role문제 75c
7장, 문제 75c

What is the anticodon on tRNA for each of the following codons in an mRNA?
c. GAA

검증된 단계별 안내
1
Understand the relationship between codons in mRNA and anticodons in tRNA. Codons are sequences of three nucleotides in mRNA that specify amino acids, while anticodons are complementary sequences of three nucleotides in tRNA that pair with the codons during translation.
Identify the given mRNA codon: GAA. This is the sequence that we need to find the complementary anticodon for.
Recall the base-pairing rules for RNA: Adenine (A) pairs with Uracil (U), Cytosine (C) pairs with Guanine (G), and Guanine (G) pairs with Cytosine (C).
Apply the base-pairing rules to determine the anticodon sequence. For the mRNA codon GAA, the complementary anticodon will be formed by pairing each nucleotide: G pairs with C, A pairs with U, and A pairs with U.
Write the anticodon sequence in the 5' to 3' direction, as tRNA anticodons are conventionally written in this orientation. Ensure the sequence is correctly derived based on the base-pairing rules.

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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Codons and Anticodons

Codons are sequences of three nucleotides in mRNA that specify a particular amino acid during protein synthesis. Each codon corresponds to a specific anticodon on tRNA, which is a complementary sequence of three nucleotides. This pairing is crucial for the accurate translation of genetic information into proteins.
추천 영상:
가이드 코스
2:23
Types of RNA Concept 2

Base Pairing Rules

Base pairing rules dictate how nucleotides pair with each other in DNA and RNA. In RNA, adenine (A) pairs with uracil (U), and cytosine (C) pairs with guanine (G). Understanding these rules is essential for determining the correct anticodon that pairs with a given mRNA codon.
추천 영상:
가이드 코스
2:01
Base Pairing Concept 2

tRNA Function

Transfer RNA (tRNA) plays a critical role in translating mRNA into proteins by bringing the appropriate amino acids to the ribosome. Each tRNA molecule has a specific anticodon that matches a codon on the mRNA, ensuring that the correct amino acid is added to the growing polypeptide chain during translation.
추천 영상:
가이드 코스
02:16
Logarithmic Functions
관련 실천
교과서 질문

What is the one-letter amino acid sequence formed from the following mRNA that codes for a pentapeptide that is an endorphin called Met-enkephalin?

5'AUG|UAC|GGU|GGA|UUU|AUG|UAA3'

773
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교과서 질문

Provide the three-letter amino acid sequence expected from each of the following mRNA segments:

b. 5'CUA|AGC|UUC|AAC|UGG3'

748
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교과서 질문

In sickle-cell anemia, a base substitution in the hemoglobin gene replaces glutamate (a polar amino acid) with valine. Why does the replacement of one amino acid cause such a drastic change in biological function?

교과서 질문

A base substitution changes a codon for an enzyme from GCC to GCA. Why is there no change in the amino acid order in the protein?

685
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교과서 질문

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

c. AUC

841
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교과서 질문

A base substitution for an enzyme replaces leucine (a nonpolar amino acid) with alanine. Why does this change in amino acids have little effect on the biological activity of the enzyme?