Living organisms are categorized into two major groups based on the presence or absence of a nucleus. What group is defined by the presence of a nucleus?
A) eukaryotic organism
B) virus
C) bacterium
D) prokaryotic organism
E) mitochondrial organism

A

What is the name of the membranous structure that compartmentalizes the cytoplasm of eukaryotic organisms?
A) ribosome
B) mitochondria
C) cytosol
D) endoplasmic reticulum
E) nucleoid

D