Write a note on molecular evidences showing evolution.

1.	Write a note on molecular evidences showing evolution.
Answer» i. Cell forms the basic structural and functional unit of life in all living organisms. ii. All organisms show presence of endoplasmic reticulum, Golgi bodies, mitochondria as cell organelles. iii. Similarities in proteins and genes performing a given function among diverse organisms proves common ancestry. iv. Basic processes like catabolic activities to liberate energy, synthesis of macromolecules like proteins, carbohydrates and nucleic acids, etc. are similar. ATP is the energy currency in all the living organisms. All these are molecular evidences favouring evolution.

Answer»

i. Cell forms the basic structural and functional unit of life in all living organisms.

ii. All organisms show presence of endoplasmic reticulum, Golgi bodies, mitochondria as cell organelles.

iii. Similarities in proteins and genes performing a given function among diverse organisms proves common ancestry.

iv. Basic processes like catabolic activities to liberate energy, synthesis of macromolecules like proteins, carbohydrates and nucleic acids, etc. are similar. ATP is the energy currency in all the living organisms.

All these are molecular evidences favouring evolution.

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