A) spindle fibres
B) chromosomes
C) ribosomes
D) peroxysomes
Correct Answer: C
Solution :
The dark region of the nucleus is known as nucleolus. The nucleolus is where the ribosomes subunits-the rRNA associated with ribosomes are manufactured. These subunits leave the nucleus through the nuclear pore and enter the cytoplasm, where final assembly of ribosomal subunits takes place. Spindle fibre is an axis of microtubule formed by separating pair of centrioles. Chromosome is structure, by which hereditary informations are physically transmitted from one generation to the next. Peroxysome is a membrane bound spherical body apparently derived from Smooth Endoplasmic Reticulum (SER), that carries the set of enzymes active in converting fats to carbohydrates and another set that detoxifies various potentially harmful molecules, strong oxidants that form in cells.
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