Which of the following does NOT possess a double membrane?
A) Mitochondrion
B) Plastid
C) Ribosome
D) Nuclear envelope
E) Chloroplast

Question

Quizplus · Accepted Answer

Ribosomes do not have a membrane at all, let alone a double membrane. They are complexes of RNA and proteins that are involved in the synthesis of proteins, found in both prokaryotic and eukaryotic cells. Mitochondria, plastids (including chloroplasts), and the nuclear envelope all have double membranes.

Which of the Following Does NOT Possess a Double Membrane