Actin and myosin are important proteins associated with the select one: a. contraction of muscles. b. synthesis of glycogen. c. production of hemoglobin. d. polymerization of dna.

Which of the following diseases may be transmitted through an accidental needle stick? a. syphilis b. tuberculosis c. cellulitis d. hepatitis b

Which process of living things produces water that enters the water cycle

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex