In which of the following organisms does holoblastic cleavage typically occur?

I) sea urchins

II) humans

III) birds

IV) fish

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#Question id: 11146

#XL - T Zoology

If you experimentally increase the concentration of Na+ outside a cell while maintaining other ion concentrations as they were, what would happen to the cell's membrane potential?

TLS Online TPP Program

#Question id: 11147

#XL - T Zoology

The concentrations of ions are very different inside and outside a nerve cell due to ________.

TLS Online TPP Program

#Question id: 11148

#XL - T Zoology

Which of the following ions is most likely to cross the plasma membrane of a resting neuron?

TLS Online TPP Program

#Question id: 11149

#XL - T Zoology

The Nernst equation specifies the equilibrium potential for a particular ion. This equilibrium potential is a function of ________.

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#Question id: 11150

#XL - T Zoology

Use the information in the table to answer the question.

Calculate the equilibrium potential for potassium. Assume a temperature of 37°C.

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#Question id: 11151

#XL - S Microbiology

What conclusion can be drawn validly from these data?