Which like forms would have been among the first organisms on earth

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.

The law of thermodynamics states that energy can't be created or destroyed. to natural sources of energy on earth are the

When sodium chloride dissolves in water the sodium cholride dissociates into?