Latest questions in this category.
Enhancers are DNA sequences that increase transcription efficiency by binding to activator proteins.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
Genetic material does not directly catalyze biochemical reactions; instead, proteins and ribozymes perform catalytic functions.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
Frederick Griffith discovered the phenomenon of transformation while working with Streptococcus pneumoniae.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
Carl Woese proposed the RNA World Hypothesis, which suggests that RNA was the first genetic material.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
Crossing over occurs during meiosis and allows genetic recombination between homologous chromosomes.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
Reverse transcription (RNA to DNA) is not a universal process; it occurs in retroviruses but not in all organisms.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
Hershey and Chase demonstrated that DNA, not protein, is the genetic material using bacteriophages labeled with radioactive isotopes.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
Beadle and Tatum proposed the one gene-one enzyme hypothesis through experiments with Neurospora crassa.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
Enhancers are DNA sequences that increase transcription efficiency by binding activator proteins.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
A silent mutation does not change the amino acid sequence due to the redundancy of the genetic code.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
The Central Dogma describes the flow of genetic information from DNA (Replication) to RNA (Transcription) to Protein (Translation).
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
mRNA (messenger RNA) carries genetic information from DNA to the ribosome for protein synthesis.
Ref: NCERT Class 12 Biology Chapter 5: Molecular Basis of Inheritance Search for Genetic Material and RNA World
