Question

which cell organelle is not enclosed by a double membrane ?

Answer 1

Lysosomes

Explanation:

Single Membrane bound Organelles: Lysosomes, Peroxisomes, Vacuoles Organelles lacking any membrane: Ribosomes, Centrioles, Nucleolus Nucleus and Ribosomes 1 Genetic Control of the Cell Nucleus: is the most distinct structure inside cell visible with light microscope.

Answer 2

Answer:

Ribosomes

Centrosomes

Cilia and flagella

Microtubules

Basal bodies

Microfilament

Hope it helps you out......