The concentration of an acid or base refers to the presence of H30+ ions in solution. True or False

What processes take place before the mature mrna exits the nucleus?

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.

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000