What is the main organ of the urinary system A. Gallbladder
B. Stomach
C. Kidney
D. Small intestine

What is the purpose of the urinary bladder?
A. Collects and stores tears
B. Collects and stores sweat
C. Collects and stores solid waste
D. Collects and stores urine

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.