wht is the chemical composition of: matrix of mitochondria,stroma of chloroplasts,

lysosomes and vacuoles(EXPERTS NEEDED)

Mitochondrial matrix: It contains soluble enzymes and other organic molecules.

Stroma of chloroplast: A colourless watery substance which contains metabolic products, enzymes and ions.

Lysosomes: It contains acid hydrolase enzyme that breaks down waste products of cell.

Vacuoles: They are filled with water containing organic and inorganic molecules including several enzymes.