yep lysosomes contain lots of enzymes which break down proteins etc.. it contains proteases which hydrolyse the peptide bonds and lysozymes, phospholipases, ribonucleases, deoxyribonucleases... yeah so just various forms of hydrolases...and some lysosomes also contain reactive oxygen species, superoxides..hydrogen peroxide... so just many enzymes and molecules that attack bonds within proteins or lipids and degrade the cell...and it can also induce apoptosis by cleaving some proteins in that pathway..
yeah and lysosomes are really really small... it can be around 50nm to 500nm and several microns as well in diameter...
http://www.springerlink.com/content/m7836867muk33268/ read that if you want to see what colour it is...
but yeah you gotta stain it to even see it or else it would be impossible to see and differentiate ...
ah lol more questions! ..mm not attempting to answer that PLANT question ew...