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Lab 2 Study Questions.docx

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Department
Biology
Course
BIOL 373L
Professor
Heidi Engelhardt
Semester
Winter

Description
Lab 2 Study Questions1What are the limitations of the lead acetate test in this experimentHow could it be used to produce meaningful informationThe lead acetate test is only positive for amino acids that contain sulphur such as cysteine therefore some proteins could be present but if they do not contain any sulphur containing amino acids the lead acetate test would yield a false negative test for proteinKnowing this limitation this test could be used to specifically determine if any sulphur containing amino acids are present and if any disulfide bridges are present in the proteinThe amount of PbS lead II sulphide produced is proportional to the number of cysteines and methionines found in the protein This information is useful for determining the composition of a protein2Describe the process in the human digestive tract that promotes maximum interaction between hydrophilic lipase enzymes and their substrate hydrophobic lipid molecules p 706To increase surface area available for e
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