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Q.
$F_{1}$ particles are present in
Punjab PMETPunjab PMET 2008
Solution:
The inner membrane of mitochondria possess finger like projections called cristae. Cristae bear racket or club shaped structures called oxisomes or $F_{1}$-particles. Each oxisome has a spherical head subtended by a stalk and a base $\left(F_{0}\right)$.