What is on the end of all charged trna molecules

What is histamine and what is its role in allergic reactions

You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.

Which to produce involved from a symbiotic relationship of organisms which resulted in eukaryotic organisms contain chloroplast