Draw the equilibrium reaction for the dissociation of a proton from the His side chain in a polypeptide (i. e. a linear, unfolded protein). Use "R" groups to represent the remainder of the peptide connected to the amino and carboxyl groups of the His residue that you draw.

Which statement is true about the part of the electromagnetic spectrum that human eyes can detect? it contains only the colors of the rainbow and television waves. o it is divided into seven ranges of wavelengths. it contains ultraviolet, visible, and infrared light. it is divided into nine ranges of wavelengths.

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

Draw the structure for 5-isopropyl-2-methyl-3-nonene