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Pentose sugars are sugars that contain 5 carbon atoms. Two most common examples are ribose (RNA component) and deoxyribose (DNA component)Also arabinos,xyluse,ribulose
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What is the term for a five sided carbon sugar?
The term for a five-sided carbon sugar is "pentose." Pentoses are monosaccharides that contain five carbon atoms, and they play crucial roles in biological processes, such as the structure of nucleotides in DNA and RNA. Common examples of pentoses include ribose and deoxyribose.
What is the pentoses sugar in the rna?
ribose
From what other sources are pentoses obtained?
Pentoses are obtained from sources such as fruits (e.g., berries and citrus fruits), vegetables (e.g., corn and peas), and grains (e.g., wheat and oats). They can also be extracted from sources like honey and some tree gums. Additionally, pentoses are found in the structural components of plants, like hemicellulose and pectin.
What test is specific for pentose?
The specific test for pentoses is the Bial's test. This test involves heating the sugar with orcinol and an acidic solution, resulting in a blue-green color if pentoses are present.
What is the theoretical result with orcinol reagent?
When orcinol reagent is added to a solution containing pentoses, a chromophore is formed that absorbs light at 660 nm. This allows for the detection and quantification of pentoses, such as ribose, in a sample. The intensity of the color generated is directly proportional to the concentration of pentoses present.
What is pentoses?
something you should've done if you didn't skip your organic chemistry lab yesterday
Indication of a negative result with Bial's Reagent?
A negative result with Bial's reagent will show no color change, indicating the absence of pentoses in the test sample. This can be confirmed by the lack of a green color formation, which is characteristic of a positive result when pentoses are present.
What is the mechanism for the Moores' test?
The Moors' test is a chemical test used to detect the presence of carbohydrates, specifically pentoses like ribose and deoxyribose. The test involves heating the sample with concentrated hydrochloric acid and phloroglucinol, which forms a pink to red color in the presence of pentoses.
What does bial's orcinol test determine in samples?
Bial's orcinol test is used to detect the presence of pentoses (such as ribose and deoxyribose) in samples. When pentoses react with orcinol in the test, a blue-green color is produced. This test is commonly utilized in the analysis of carbohydrates, nucleic acids, and other biological molecules.
What is borsch reagent and its reaction?
Borsch reagent is a solution used to test for the presence of pentoses (5-carbon sugars) in a substance. The reaction involves the pentose sugars in the solution reacting with the reagent to produce a colored compound, which indicates the presence of pentoses in the sample.
What is a pentose?
Pentose is a five carbon sugar. They make up the sugars that form DNA and RNA.
What are the role of pentoses in DNA and RNA molecules?
Pentoses, such as ribose and deoxyribose, are the sugar molecules that make up the backbone of DNA and RNA. They provide the structural framework for genetic information to be stored and transmitted. In DNA, deoxyribose forms the backbone, while in RNA, ribose is used.
