Which of the following is the effect to contractile vacuole when Amoeba sp is placed in salt water? A. Burst and die
B. Stop contracting
C. Contract at fast rate
D. Contract at slow rate

Ascientist wanted to formulate a pill to attack a specific type of bacteria that infects the throat. which biological component would be best to use as a model for the pill's function? bacteriocytes phagocytes complement antibodies