Exam (elaborations)
BIO 1404 post lab Questions and answers
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BIO 1404 post lab Questions and answers
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1-85 of 85Why does urease reaction change pH?
each enzyme solution makes each more acidic or basic
,Which one of the solutions is the positive control, and which one of the solutions is
the negative control for the sudan IV reaction?
the positive control was the lipid solution while the distilled water was the
negative control
What is the purpose of DPIP in this experiment?
to act as an electron acceptor
why did the water level in the CO2 collection tube move downward?
bc of the CO2 produced the water in the collection in the tube is
displaced
What molecules supply the electrons to the electron transport chain?
, water
How long did it take the flies to reawaken?
a few seconds
Which contains more reducing sugars, potato juice or onion juice, how do you know?
the onion had more reducing sugars because the potato juice remained
blue and the onion juice turned a green color indicating a small amount of
reducing sugars
Which device, the transfer pipette, or eye dropper, is the most precise when
measuring the volume of a drop?
transfer pipette
Do free amino acids have peptide bonds?
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