Jonathan and Molly performed a similar lab except that in their lab they tested a slurry made from crackers. Their results show that crackers contain both protein and fat. After checking
the cracker package, the students were surprised to find that protein and fat are NOT listed
on the nutritional label. No other groups in their class have these results showing protein
and fat present in the sample, all the other groups just have a positive test for starch.
Describe 2 things that could have possibly contributed to these incorrect results.
CO
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Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos