This organelle is covered in millions ribosomes, acts as long passage ways next to the nucleus, and is the site where most proteins are made in cell. What organelle is this? A)Rough Endoplasmic Recticulum
B)Vesicle
C)Smooth Endoplasmic Recticulum
D)Golgi Apparatus

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.