Pencils are prepared from the wood of
Pinus vinaster
Juniperus virginiana
Chamaecyparis piscifera
Abies pindrow
In Hatch and Slack pathway
chloroplast are of same type
occurs in Kranz anatomy where mesophyll have small chloroplast whereas bundle sheath have granal chloroplast
occurs in Kranz anatomy when mesophyll have small chloroplast where as bundle sheath have larger, agranal chloroplast
Kranz anatomy where mesophyll cells are diffused
Colchicine prevents the mitosis of the cells at which of the following stage?
Anaphase
Metaphase
Prophase
Interphase
B.
Metaphase
Colchicine, an alkaloid obtained from Colchincum autumnale (Liliaceae), prevents mitosis by inhibiting spindle formation through disruption of microtubules. It is a mitotic poison.
Which one is not correct?
Human - Ureotelic
Birds - Uricotelic
Lizards - Uricotelic
Whale - Ammonotelic