Question

what significant type of organelle is present within mitochondria and chloroplasts?lysosomescentriolesribosomes

Explanation:

Mitochondria and chloroplasts are semi - autonomous organelles. They have their own DNA and can synthesize some of their own proteins. Ribosomes are needed for protein synthesis. Lysosomes are for digestion and centrioles are related to cell division (not present in plant cells which have chloroplasts).

Answer:

ribosomes