A farmer dug a well but did not find any water. Which most likely explains why the farmer did not find water? A. The water table is deeper than the well.
B. All the groundwater is flowing out of a spring.
C. The well is being dug between two vertical, impermeable layers.
D. The well is located where groundwater is stuck between impermeable layers. edgenuity

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.