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#Question id: 11194

The "threshold" potential of a membrane is the ________.

#I Life Science/ Life Sciences Group – I-V
  1. lowest frequency of action potentials a neuron can produce
  2. minimum hyperpolarization needed to prevent the occurrence of action potentials
  3. minimum depolarization needed to operate the voltage-gated sodium and potassium channels
  4. peak amount of depolarization seen in an action potential
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#Question id: 664

#SCPH05 I Biotechnology

Which is evidence that structures for proteins determined by X-ray crystallography represent the structures in solution?
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#Question id: 15582

#SCPH05 I Biotechnology

The oxygen transfer rate in an aerobic fermentation process does not depend on the
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#Question id: 12762

#SCPH06 I Botany

Find  appropriate option for  given question . The figure above depicts the intensity versus frequency curve of an a2coustical receptor of the larva of a noctuid moth. The larva is preyed on by a wasp whose vibrating wings produce a0buzz.
On the basis of the figure, it can be predicted that the wasp buzz 1has a frequency
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#Question id: 14214

#SCPH05 I Biotechnology

Viscosity ranges for different impeller, find correct match?
      Types                                                                         Maximum viscosity(cp)
      P) Helical ribbon                                (I) 105
      Q) Propellers                                                                    (II)  106
      R) Helical screws                                                             (III) 104
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#Question id: 1755

#SCPH05 I Biotechnology

Prior to class switching, B-cells express: