ICSE Class 9 Answered

Cell organelles

Function

Nucleus

• Regulates cell functions
• Contains chromosomes, made of genes, which control hereditary characteristics

Mitochondria

• Produces ATP which acts as energy currency for the cell

Endoplasmic reticulum

• Folding of proteins
• Transport of synthesised proteins

Golgi apparatus

• Modification and export of proteins

Vacuoles

• Store water and other substances, food, pigments and waste products
• Provides turgidity to the cells

Lysosomes

• Digest and remove wastes from the cell

Ribosomes

• Synthesise proteins

Plastids (only in plant cells)

• Site for manufacture and storage of important chemical compounds used by the cell