What type of chemical bond joins monosaccharides in polysaccharides?
Glycosidic bonds connect monosaccharides to form polysaccharides.
Ref: NCERT Class 11 Biology Chapter 9: Biomolecules Enzyme Action and Factors Affecting Enzyme Activity
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Which of the following biomolecules is NOT a polymer?
Lipids are not true polymers because they are not made of repeating monomeric units like proteins, nucleic acids, and polysaccharides.
Ref: NCERT Class 11 Biology Chapter 9: Biomolecules Chemical Analysis and Biomolecules - Amino Acids Lipids
The D and L configuration of monosaccharides is determined based on:
The highest-numbered asymmetric carbon is the scientifically accurate answer to this question. Within the study of Carbohydrates, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of The highest-numbered asymmetric carbon directly address what is being asked. Among the other options, The position of the hydroxyl group at the anomeric carbon, The configuration around carbon-2 in ketoses, and The rotation of plane-polarized light do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 7
Which of the following statements about monosaccharides is incorrect?
Monosaccharides always follow the empirical formula (CHâ‚‚O)â‚™ is the correct choice because it does not accurately describe or belong to the category addressed in this question. In the context of Carbohydrates, the other options (Monosaccharides can exist as either aldoses or ketoses, Monosaccharides contain one or more chiral centers, and All monosaccharides exhibit reducing properties) are all valid and well-established concepts. Monosaccharides always follow the empirical formula (CHâ‚‚O)â‚™ is either unrelated to the topic, describes a different biological process, or represents a common misconception. Questions framed as 'which is NOT' require students to identify the exception among otherwise correct statements, demanding comprehensive knowledge of the topic rather than recognition of a single fact.
Ref: Lehninger Principles of Biochemistry, Nelson & Cox, 8th Ed., Ch. 7