Your question is not specific enough to answer properly.
The general terms for structures in a cell that perform a variety of functions is 'organelles'.
Specific membranous structures are the 'ribosomes'.
organelles
Chloroplast allow plants to capture energy from sunlight.
The structures allow the cell to perform specific functions.
Cells contain within them small structures organelles that carry out the metabolic functions of the cell
endolymph
organells
Organelles.
organelles
The structures allow the cell to perform specific functions.
The structures allow the cell to perform specific functions.
The structures allow the cell to perform specific functions.
A network of stacked membranous vesicles present in most living cells that functions in the formation of secretions within the cell.
Chloroplast allow plants to capture energy from sunlight.
The structures allow the cell to perform specific functions.
Structures within the cytoplasms are known as organelles.
Cells contain within them small structures organelles that carry out the metabolic functions of the cell
endolymph