Mei-Zhen-Meaning of Mei-Zhen. Tweet. [ 2 syll. mei -(z) hen, me-i-zh-en ] The baby girl name Mei-Zhen is pronounced as Mey-CH-ahN â . Mei-Zhen is primarily used in Chinese and it is also of Chinese origin.The name Mei-Zhen means beautiful pearl. Mei-Zhen is an uncommon baby girl name. 2 syll. mei -(z) hen, me-i-zh-en ] The baby girl name Mei-Zhen is pronounced as Mey-CH-ahN â .
The organelles covered in ribosomes are the rough endoplasmic recitillium. The organelles covered in ribosomes are the rough endoplasmic recitillium.
Although ribosomes are called organelles, they don't have a membrane that holds the contents of the ribosome in one cohesive structure. Ribosomes are composed of ribosomal RNA (rRNA) and protein. Sixty percent of the structure is rRNA and 40 percent is protein.There are two subunits: a large subunit and a small subunit. They are labeled as 60s and 40s after the Svedberg values.t is so small that it is only visible with an electron microscope. Ribosomes are found in the cytoplasm of a cell. They are either free floating or bound to the endoplasmic reticulum. Groups of ribosomes stuck together are called polysomes.