Proteinoids are
Carbohydrate structure consisting of branched sugars
Fatty acid structure consisting of branched fatty molecules
Protein structure consisting of branched amino acids
Protein structure consisting of unbranched amino acids
Related Questions
The term ‘Hot dilute soup’ was coined by
Oparin
Haldane
Urey
None of these
For a long time it was believed that life came out of decaying and rotting matter like straw mud, etc.
This was the theory of
Catastrophism
Abiogenesis
Panspermia
Chemogeny
Which of the following is NOT a key feature of the Oparin-Haldane theory of the origin of life?
Formation of organic monomers from inorganic gases
Presence of free oxygen in the early atmosphere
Polymerization of monomers to form macromolecules
Coacervates as precursors to the first cells
Which of the following best describes the significance of coacervates in the context of the origin of life?
They are fossilized evidence of the earliest life forms on Earth.
They prove that RNA was the primary genetic material in early life.
They demonstrate how membrane-bound compartments, crucial for cellular life, could have arisen spontaneously from organic molecules.
They explain the mechanism by which the first self-replicating molecules were formed.
A microsphere is a …A… collection of organic macromolecules with double layered outer boundary. The term microsphere was given by …B…
Complete the given statement by choosing correct options for A and B with reference to NCERT textbook
A-non-living, B-Sydney Fox
A-living, B-Oparin
A-non-living, B-Haldane
A-living, B-Altman
First autotrophs on the primitive earth was/were
Aerobic
anaerobic
Both (1) and (2)
Photosynthetic protist
Which of the following gases was likely NOT abundant in the early Earth's atmosphere?
Methane
Ammonia
Water vapor
Oxygen
The first enzyme on the primitive earth was/were
Proteins
DNA
RNA
Amino acids
The sequence of origin of life could be
Organic materials → inorganic materials → colloidal aggregate → eobiont → cell
Inorganic materials → organic materials → colloidal aggregate → eobiont → cell
Inorganic materials → organic materials → eobiont → cell → colloidal aggregate
Organic materials → inorganic materials → eobiont → cell → colloidal aggregate
The Miller-Urey experiment provided evidence for which stage of the origin of life?
Formation of the first cells
Evolution of photosynthesis
Abiotic synthesis of organic monomers
Development of self-replicating molecules
