âBefore, only Acer device owners could use the apps. But from now on, you donât have to own an Acer device,â said Maverick Shih, president of the companyâs Build Your Own Cloud and tablet business.
Histones are the major proteins involved in this packaging. 1  The binding of the chromosomal DNA to histones is the first level of packaging. 2  The DNA-histone protein complex is called the chromatin. 3  There are 5 types of histones namely, H1, H2A, H2B, H3 and H4. The DNA-histone protein complex is called the chromatin. 2  There are 5 types of histones namely, H1, H2A, H2B, H3 and H4. 3  These are basic proteins (25% of basic amino acids lysine and arginine) and negatively charged DNA (due to the presence of phosphate group) can easily bind to these positively charged proteins.
Within the ribosome, the rRNA molecules direct the catalytic steps of protein synthesis â the stitching together of amino acids to make a protein molecule. In fact, rRNA is sometimes called a ribozyme or catalytic RNA to reflect this function.ll rights reserved. After the transcription of DNA to mRNA is complete, translation â or the reading of these mRNAs to make proteins â begins. Recall that mRNA molecules are single stranded, and the order of their bases â A, U, C, and G â is complementary to that in specific portions of the cell's DNA.