In vesicle fusion with a target membrane, ATP hydrolysis is required to
a. bind t- and v-SNAREs together.
b. bind SNAREs to Rabs.
c. bind NSF to SNAP.
d. separate the bound t-and v-SNAREs.
Ans: d. separate the bound t-and v-SNAREs.
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Flight requires greater efficiency of oxygen delivery. Therefore, birds have a unique respiratory system that allows them to filter oxygen. During the initial inhalation, the air passes through the trachea and into the . During the second inhalation, the oxygen-depleted gas moves to the , and is then exhaled.
A. posterior air sacs; anterior air sacs B. lamellae of the gills; anterior air sacs C. anterior air sacs; posterior air sacs D. lamellae of the gills; bronchioles E. bronchioles; capillaries
Which of the following are positive effects of prokaryotes and human interactions?
a. bioremediation b. decomposition c. gut mutualism d. A and B e. A, B and C
Fats and oils contain more energy per gram than proteins or carbohydrates
Indicate whether the statement is true or false
If the determining function for Sales is given by Salesi = ?0 + ?1Pricei + Ui, what will the correlation between Sales and Price be?
A. Cor(Pricei, Ui) B. ?0 + ?1 C. ?1 D. There is not enough information.