What is similar about the primary structure of each protein ? hurry me

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Anurse is preparing to administer ampicillin 500 mg in 50 ml of dextrose 5% in water (d5w) to infuse over 15 min. the drop factor of the manual iv tubing is 10 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)

What type of graph presents information about how often certain or traits occur?