Which one of the following is the correct sequence of chemical substances produced during the origin of life on the earth
- AWater, amino acid, nucleic acid and enzyme
- BGlucose, amino acid, nucleic acid and protein
- CAmino acid, ammonium phosphate and nucleic acid
- DAmmonia, amino acid, protein and nucleic acid
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- [AIPMT 2009]
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Stings of honey bee and the stings of scorpion are
$I.$ analogous organs
$II.$ heterologous organs
$III.$ homologous organs
$IV.$ vestigial organs
The correct combination is
Stings of honey bee and the stings of scorpion are
$I.$ analogous organs
$II.$ heterologous organs
$III.$ homologous organs
$IV.$ vestigial organs
The correct combination is