Question

what significant type of organelle is present within mitochondria and chloroplasts? lysosomes ribosomes centrioles

Explanation:

To solve this, we analyze each option:

• Lysosomes are involved in digestion and waste removal, not in mitochondria or chloroplasts.
• Ribosomes are present in mitochondria and chloroplasts (both have their own ribosomes for protein synthesis, supporting the endosymbiotic theory).
• Centrioles are related to cell division and are not in these organelles.

Answer:

B. ribosomes