1) This graphs shows that as the salt in the environment goes up, wild type worms produce more glycerol. a) b) c) d) 2) This graph shows that even in a low salt environment, mutant worms are constantly producing more glycerol. a) b) c) d) 3) This graph shows that it takes wild type worms about 24 hours to ramp up glycerol production in a higher salt environment. a) b) c) d) 4) This graph shows that wild type worms are able to respond to their environment by increasing expression of a gene that codes for an enzyme. a) b) c) d) 5) This graph shows that mutant worms are always expressing a gene that codes for an enzyme to make glycerol at high levels. a) b) c) d)

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