prokaryotic cell The ribosomes are composed of a 50S and a 30S subunit forming an 70S ribosome (Fig. 8). Internal membrane-bound organelles such as mitochondria, endoplasmic reticulum, Golgi apparatus, vacuoles, and lysosomes are absent (Fig. 5).
prokaryotic cell The ribosomes are composed of a 50S and a 30S subunit forming an 70S ribosome (Fig. 8). Internal membrane-bound organelles such as mitochondria, endoplasmic reticulum, Golgi apparatus, vacuoles, and lysosomes are absent (Fig. 5).