Use the following information to answer the question.

Applying the principle of parsimony to the trait "ability to fly," which of the two phylogenetic trees is better?

TLS Online TPP Program

#Question id: 11186

#SCPH28 | Zoology

Refer to the following graph of an action potential to answer the question. The membrane potential is closest to the equilibrium potential for potassium at label ________.

TLS Online TPP Program

#Question id: 11187

#I Life Science/ Life Sciences Group – I-V

Refer to the following graph of an action potential to answer the question.

The membrane's permeability to sodium ions is greatest at label ________.

TLS Online TPP Program

#Question id: 11190

#I Life Science/ Life Sciences Group – I-V

For a neuron with an initial membrane potential at -70 mV, an increase in the movement of potassium ions out of that neuron's cytoplasm would result in the ________.

TLS Online TPP Program

#Question id: 11191

#I Life Science/ Life Sciences Group – I-V

Opening all of the sodium channels on an otherwise typical neuron, with all other ion channels closed (which is an admittedly artificial setting), should move its membrane potential to ________.

TLS Online TPP Program

#Question id: 11192

#I Life Science/ Life Sciences Group – I-V

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

TLS Online TPP Program

#Question id: 11193

#I Life Science/ Life Sciences Group – I-V

Conduction and refractory periods (states) are typical of ________.