A graded hyperpolarization of a membrane can be induced by ________.

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#Question id: 27510

#Unit 2. Cellular Organization

As the time passes during the nucleosome assembly then, which of the following fig. is correctly representing the different state of circular DNA

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#Question id: 897

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the plot is correct for van’t Hoff equation?

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#Question id: 15523

#Unit 4. Cell Communication and Cell Signaling

The appearance of ϒδ thymocytes and αβ thymocytes during mouse fetal development. Fetal animals generate

a) more αβ T-cells than ϒδ T-cells

b) the proportion of ϒδ T-cells generated drops off dramatically after birth

c) the proportion of αβ T-cells generated drops off dramatically after birth

d) more ϒδ T-cells than αβ T cells

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#Question id: 11450

#Unit 7. System Physiology – Animal

 The conversion of a stimulus into an action potential by a receptor cell is called ________.

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#Question id: 1234

#Unit 4. Cell Communication and Cell Signaling

Which of the following mutations would likely have a similar cancer-promoting effect as the RasD mutation?

a. mutation in Grb2 so that it cannot bind Sos

b. mutation in Sos so that it binds Ras independent of Grb2

c. mutation in GAP so that it cannot bind Ras

d. mutation in EGF receptor so that it binds GRB2 independent of EGF