During spring, when earl's crops were plentiful, he noticed an increased number of rabbits. at night, he also heard an increased number of howls from the coyotes. what do you think will happen when winter comes around and the crops die out?

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.