6 public questions tagged with this topic.
A silent mutation changes a nucleotide sequence but does not alter the amino acid due to the degeneracy of the genetic code.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Human Genome Project and DNA Fingerprinting
A silent mutation changes a nucleotide sequence but does not alter the amino acid sequence due to redundancy in the genetic code.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Regulation of Gene Expression - Lac Operon
Non-synonymous reflects key principle in quiz on molecular evolution pyqs solved -sec d, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Non-synonymous aligns with experimental and theoretical evidence from population genetics, behavioral ecology and molecular phylogeny. Textbooks like Campbell Biology, Futuyma Evolution and Hartl Principles illustrate supporting data. Understanding why Non-synonymous fits helps integrate natural selection, environment.
Ref: Nei & Kumar, Molecular Evolution, Clocks and Purifying Selection.
Gly–X–Y, is consistent with established principles of cell signaling, receptor pharmacology and cellular regulation. Experimental measurements of binding parameters, genetic loss-of-function studies and pharmacological interventions all converge on the same interpretation. Related options address neighboring concepts but do not satisfy the precise criterion stated in the question.
Ref: NCERT Biology Class 11–12 Alberts et al Molecular Biology of the Cell Lodish et al, Molecular Cell Biology Cooper & Hausman, The Cell Abbas et al., Cellular and Molecular Immunology (for immunology sections)
A sequence rich in Proline, Glutamate, Serine, and Threonine is the scientifically accurate answer to this question. Within the study of Protein Degradation, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of A sequence rich in Proline, Glutamate, Serine, and Threonine directly address what is being asked. Among the other options, A sequence rich in Arginine and Lysine, A sequence rich in Methionine and Cysteine, and A sequence rich in Phenylalanine and Tyrosine 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. 4
N-terminal amino acid sequence is the scientifically accurate answer to this question. Within the study of Protein Degradation, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of N-terminal amino acid sequence directly address what is being asked. Among the other options, Protein secondary structure, Protein quaternary structure, and C-terminal amino acid sequence 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. 4
