The predominant cells in blood are the red blood cells (RBC) which contains a protein called hemoglobin. Hemoglobin is the principal determinant of the color of blood. Arterial blood and capillary blood are bright red, as oxygen imparts a strong red color to the heme group.
RNA is assembled as a chain of nucleotides, that is usually  single-stranded. In eukaryotic cells, it can be found in the  nucleus and cytoplasm. Edit. Share to: Lsilvstew. 2,538 Contributions. Answered Most Recently. In Genetics.
A chemical found in the nucleus and cytoplasm of cells; it plays an important role in protein synthesis. The structure of RNA is similar to that of DNA. There are several types of RNA molecules, but the messenger RNA, transfer RNA, and ribosomal RNA are vital for protein synthesis.