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Ch.17 Nucleic Acids and Protein Synthesis
Timberlake - Chemistry: An Introduction to General, Organic, and Biological Chemistry 13th Edition
Timberlake13th EditionChemistry: An Introduction to General, Organic, and Biological ChemistryISBN: 9780134421353당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Timberlake 13th EditionCh.17 Nucleic Acids and Protein Synthesis문제 91a
17장, 문제 91a

Identify each of the following bases as a pyrimidine or a purine:
a. cytosine

검증된 단계별 안내
1
Understand the difference between pyrimidines and purines: Pyrimidines are single-ring nitrogenous bases, while purines are double-ring nitrogenous bases.
Recall the common pyrimidines: cytosine, thymine, and uracil. These are characterized by their single-ring structure.
Recall the common purines: adenine and guanine. These are characterized by their double-ring structure.
Examine the given base, cytosine, and identify its structure. Cytosine is a single-ring nitrogenous base.
Based on the structure of cytosine, classify it as a pyrimidine because it has a single-ring structure.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
30s

주요 개념

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

Pyrimidines and Purines

Pyrimidines and purines are the two categories of nitrogenous bases found in nucleic acids. Pyrimidines, which include cytosine, thymine, and uracil, have a single six-membered ring structure. In contrast, purines, such as adenine and guanine, consist of a fused double-ring structure. Understanding the structural differences between these bases is essential for classifying them correctly.
추천 영상:
가이드 코스
1:09
Nitrogenous Bases Example 1

Cytosine

Cytosine is one of the four primary nitrogenous bases in DNA and RNA. It is classified as a pyrimidine due to its single-ring structure. Cytosine pairs with guanine in DNA and RNA, playing a crucial role in the genetic code and the stability of nucleic acid structures. Recognizing cytosine's classification helps in understanding its function in genetic information.
추천 영상:
가이드 코스
3:04
Naming Nucleosides and Nucleotides Concept 3

Base Pairing

Base pairing refers to the specific hydrogen bonding between nitrogenous bases in DNA and RNA, which is fundamental for the structure of nucleic acids. In DNA, adenine pairs with thymine, and cytosine pairs with guanine. This complementary pairing is vital for DNA replication and transcription processes. Understanding base pairing is crucial for grasping how genetic information is stored and transmitted.
추천 영상:
가이드 코스
2:56
Base Pairing Concept 1
관련 실천
교과서 질문

Suppose a mutation occurs in the DNA section in problem 17.89, and the first base in the parent chain, adenine, is replaced by guanine.

b. Using the new strand that results from this mutation, write the order of bases in the altered mRNA.

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교과서 질문

Identify the base and sugar in each of the following nucleotides:

b. dAMP

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교과서 질문

Identify the base and sugar in each of the following nucleosides:

a. deoxythymidine

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교과서 질문

Suppose a mutation occurs in the DNA section in problem 17.89, and the first base in the parent chain, adenine, is replaced by guanine.

d. What effect, if any, might this mutation have on the structure and/or function of the resulting protein?

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교과서 질문

Suppose a mutation occurs in the DNA section in problem 17.89, and the first base in the parent chain, adenine, is replaced by guanine.

c. Write the three-letter symbols for the amino acids that would go into the peptide from the mRNA you wrote in part b.

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교과서 질문

Identify the base and sugar in each of the following nucleosides:

c. cytidine

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