MCQ
Pyruvate dehydrogenase activity during aerobic respiration requires
- ✓Magnesium
- BCalcium
- CIron
- DCobalt
For this conversion Pyruvate $\quad$ dehydrogenase requires magnesium, CoA, NAD', TPP and lipoic acid.
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$I.$ In gymnosperms, the male and female gametophytes have an independent existence.
$II.$ The multicellular female gametophyte is retained within the megasporangium.
$III.$ The gymnosperms are heterosporous.
Of these statements
$\begin{array}{|l|l|} \hline Column-I & Column-II \\ \hline 1.\,\,Phaeophyceae & A.\,\,Chara \\ \hline 2.\,\,Chlorophyceae & B.\,\,Wolffia \\ \hline 3.\,\,Rhodophyceae & C.\,\,Porphyra \\ \hline 4.\,\,Angiosperms & D.\,\,Ectocarpus \\ \hline \end{array}$