NEET

Def­i­n­i­tion & Occur­rence: Plas­tids are present in all plant cells and eug­le­noids. Eas­i­ly observ­able under a micro­scope due to their […]

Mito­chon­dria: Def­i­n­i­tion Often called the “pow­er­hous­es” of the cell. Not eas­i­ly vis­i­ble under a micro­scope unless specif­i­cal­ly stained. Num­ber Varies

Vac­uoles: Def­i­n­i­tion Mem­brane-bound sacs with­in the cyto­plasm of a cell. Mem­brane Sur­round­ed by a sin­gle mem­brane called the tono­plast. Con­tents

Lyso­somes: Def­i­n­i­tion Mem­brane-bound vesi­cles (sac-like struc­tures) Formed by the Gol­gi appa­ra­tus Ori­gin Pack­aged and processed with­in the Gol­gi appa­ra­tus Enzymes

Dis­cov­ery and Name: Dis­cov­ered by Camil­lo Gol­gi in 1898. Named Gol­gi bod­ies in his hon­or. Struc­ture: Com­posed of flat, disc-shaped

asm. Types of Endo­plas­mic Retic­u­lum: Rough Endo­plas­mic Retic­u­lum (RER): Ribo­somes attached to the out­er sur­face. Observed in cells involved in