Classify each nucleotide or nucleoside by the type of base and sugar present in each image. -203POCH2 но. CH₂ OH OH NH₂ N H NH₂ Classify the molecule. purine, ribose O pyrimidine, ribose O pyrimidine, deoxyribose purine, deoxyribose Classify the molecule. O pyrimidine, ribose purine, deoxyribose O purine, ribose O pyrimidine, deoxyribose
Classify each nucleotide or nucleoside by the type of base and sugar present in each image. -203POCH2 но. CH₂ OH OH NH₂ N H NH₂ Classify the molecule. purine, ribose O pyrimidine, ribose O pyrimidine, deoxyribose purine, deoxyribose Classify the molecule. O pyrimidine, ribose purine, deoxyribose O purine, ribose O pyrimidine, deoxyribose
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Concept explainers
Coding Strand of DNA
When pointing to DNA transcription, the coding strand is found to be the DNA strand whose base sequence is indistinguishable from the base sequence of the RNA transcript developed. It is this strand that comprises the codons, while the non-coding strand comprises the anti-codons.
Nucleotide
Both DNA and RNA are composed of organic molecules known as nucleotides. Hence, nucleotides are known as the basic building blocks of nucleic acids. These substances play a role in various processes such as cell signalling, enzyme reactions, metabolism, and so on.
Structure of Cytosine
Cytosine is among the five primary nitrogenous bases of which DNA and RNA and are being used in storage and transportation of genetic makeup within a cell. Adenine, guanine, thymine as well as uracil are the remaining four nucleobases.
Question
Transcribed Image Text:### Educational Content: Nucleotides and Nucleosides Classification
**Objective:** Classify each nucleotide or nucleoside by the type of base and sugar present in each image.
#### Molecule 1
- **Structure:**
- **Base:** A bicyclic structure with an amine group (NH₂) and carbonyl group (O) indicates a purine.
- **Sugar:** A pentose sugar is attached, with a secondary alcohol group (OH) on the second carbon, suggesting deoxyribose.
- **Phosphate Group:** The presence of a phosphate group (O₃POCH₂) attached to the sugar.
- **Classification Options:**
- ○ purine, ribose
- ○ pyrimidine, ribose
- ○ pyrimidine, deoxyribose
- ○ purine, deoxyribose
#### Molecule 2
- **Structure:**
- **Base:** A monocyclic structure with an amino group (NH₂) and a carbonyl group (O) indicates a pyrimidine.
- **Sugar:** A pentose sugar with a secondary alcohol group (OH) on the second carbon, suggesting it is ribose.
- **Classification Options:**
- ○ pyrimidine, ribose
- ○ purine, deoxyribose
- ○ purine, ribose
- ○ pyrimidine, deoxyribose
Analyze the structural components to determine the most accurate classification for each molecule.
Transcribed Image Text:**Classify the Molecule**
The image shows a molecular structure that includes two main components:
1. A bicyclic nitrogenous base known as purine, characterized by two rings fused together containing nitrogen atoms. The purine structure is identifiable by the presence of an amino group (NH₂) attached to one of the rings.
2. A sugar component, specifically ribose, which is a five-carbon sugar with hydroxyl (OH) groups attached. This open-chain form of ribose is represented by its characteristic pentagon shape with one extra CH₂OH group.
Multiple-choice options for classifying the molecule:
- ○ purine, ribose
- ○ pyrimidine, deoxyribose
- ○ purine, deoxyribose
- ○ pyrimidine, ribose
The correct classification is "purine, ribose."
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