MCQ
Columella is a specialised structure found in the sporangium of:
- AUlothrix.
- ✓Rhizopus.
- CSpirogyra.
- DNone of these.
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$I$. $H^{+i i}$ concentration gradient established
$II$. $H^{+i i}$ diffuses through $ATP$ synthetase
$III.$ Carriers use energy from electrons to move $H^{+i i}$ across the membrane
$IV$. Electrons from $PS-II$ pass along electron transport chain
$V.$ Light excites electrons in $PS-II$
$VI.$ Energy of $H^{+i 6}$ flow is used by $ATP$ synthetase to make $ATP$
$Y$- Due to hydrolases peptide bond splits.