MCQ
Primary metabolites play known role in
- AEcology
- BChemical process
- CHuman welfare
- ✓Physiological process
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$1$. In the structure of cell wall.
$2$. As a food storage substance
$3$. In protein synthesis
$4$. As an enymes
$5$. In the structure of $DNA$
($i$) It consists of a network of trachea, that open through $12$ pairs of small holes called spiracles present on the lateral side of the body.
($ii$) Thin branching tubes carry oxygen from the air to all the parts.
($iii$) The opening of the spiracles is regulated by sphincters.
($iv$) Exchange of gases take place at the tracheoles by diffusion.