B. Mitochondrion. Centriole is unique to animal cells and is used in cell division. Chloroplast and Cell wall are unique to plants cells, together with permanent vacuole. Both have mitochondrion, where energy is released through respiration.
That would be the ribosome
Ribosomes are tiny particles that carries RNA molecules.
<span>Stamen produces pollen so the best answer is stamen.
I hope it helped :)</span>