Question

a student is examining leaf cells. which organelles are missing from the cells?
ribosomes
chloroplasts
centrioles
mitochondria

Explanation:

• Ribosomes are present in leaf cells as they are involved in protein synthesis.
• Chloroplasts are present in leaf cells as they are responsible for photosynthesis.
• Mitochondria are present in leaf cells as they are the powerhouses of the cell, providing energy.
• Centrioles are absent in plant cells (leaf cells are plant cells). Centrioles are mainly found in animal cells and play a role in cell division in animal cells.

Answer:

centrioles