Oxytocin is a nonapeptide hormone in mammals. It is a facilitator for childbirth and breast-feeding. An aqueous solution containing 20.7 mg of oxytocin in 100.0 mL of solution has an osmotic pressure at 25°C of 3.80 mmHg. What is the molecular weight of the hormone?

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

Which organism develops breathing organism develops breathing organs from pharyngeal arches? shark, spider, sea star, sea horse

Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose