What is the part of the eye that closes to keep light out?

Which of the following processes does the body not use protein to perform? a. repairing muscles b. producing hormones c. making hemoglobin d. creating amino acids

Which of the following statements about communication is most accurate

When do people generally experience rapid growth for a second time? a. between the ages of 3 and 9 b. between the ages of 9 and 12 c. between the ages of 13 and 20 d. between the ages of 25 and 29 which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.