Why is nascent oxygen supported to be toxic to aerobic life forms ?
Why is nascent oxygen supported to be toxic to aerobic life forms ?
Nascent oxygen is highly reactive.
It can react readily with different kinds of molecules, including $DNA$, proteins present in the cells of aerobic life forms.
This may lead to mutations and undesirable metabolic changes.
- So in the evolutionary strend, oxygen is proved to be first major toxic pollutant.
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The taxonomic status of an organism can be changed by Changing
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
$A$ : Lycaenops is a connecting link between reptiles and mammals.
$R$ : In permian period there was origin of mammal like reptiles.
$A$ : Lycaenops is a connecting link between reptiles and mammals.
$R$ : In permian period there was origin of mammal like reptiles.
The concept that the species have changed over long period of time is known as
The concept that the species have changed over long period of time is known as
Dinosaurs were abundant during
Dinosaurs were abundant during