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#origin of life

55 public questions tagged with this topic.

The theory that life originated from pre-existing non-living organic molecules is known as:

Oparin and Haldane proposed the theory of chemical evolution, suggesting that life originated from non-living organic molecules. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Zoology section), Chapter: Biology - Zoology portion covering relevant system and function, Topic: Structural organization and physiology.

RNA world hypothesis proposes RNA was:

Mutation rate reflects key principle in quiz on section b solved pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Mutation rate 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 Mutation rate fits helps integrate natural selection, environment.

Ref: Futuyma, Evolution, Drift and Speciation PYQs.

Biogeny explains:

Origin of life from life reflects key principle in quiz on section b solved pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Origin of life from life 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 Origin of life from life fits helps integrate natural selection, drift and species concepts essential for NEET, CSIR-NET and GATE examinations. This concept integrates

Ref: Futuyma, Evolution, Drift and Speciation PYQs.

Chemogeny refers to:

Origin of life is divided into chemogeny and biogeny for clarity. Chemogeny denotes formation of organic molecules from inorganic precursors through stepwise chemical evolution, including synthesis of methane, amino acids, sugars and nucleotides under reducing atmosphere. This precedes appearance of self-replicating systems. Biogeny later covers emergence of protocells and true cells. Distinguishing stages helps students track increasing complexity from simple gases to polymers. The term Chemical evolution therefore applies specifically to prebiotic chemical synthesis phase. This concept integ

Ref: Futuyma, Evolution, Drift and Speciation PYQs.

First biomolecules synthesized in lab were:

Amino acids reflects key principle in quiz on section b solved pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Amino acids 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 Amino acids fits helps integrate natural selection, environment.

Ref: Futuyma, Evolution, Drift and Speciation PYQs.

Oparin’s bubble-like structures were called:

Coacervates reflects key principle in quiz on section b solved pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Coacervates 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 Coacervates fits helps integrate natural selection, environment.

Ref: Futuyma, Evolution, Drift and Speciation PYQs.

Self-replicating biomolecule is:

Nucleic acid reflects key principle in quiz on section b solved pyqs, where evolutionary mechanisms shape genetic variation and adaptation. In this context, Nucleic acid 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 Nucleic acid fits helps integrate natural selection, environment.

Ref: Futuyma, Evolution, Drift and Speciation PYQs.