The elicitors are recognized by receptor-like molecules present in resistant plants. This recognition initiates several biochemical reactions such as

1. Phytoalexin biosynthesis

2. Cell wall reinforcement

3. Release of hydrolytic enzymes

4. Rapid cell death

Which of the following is/are correct?

TLS Online TPP Program

#Question id: 11189

#Unit 7. System Physiology – Animal

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

At label ________, the cell is not hyperpolarized; however, repolarization is in progress, as the sodium channels are inactivated or becoming inactivated, and many potassium channels have opened.

TLS Online TPP Program

#Question id: 11190

#Unit 7. System Physiology – Animal

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

#Unit 7. System Physiology – Animal

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

#Unit 7. System Physiology – Animal

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

TLS Online TPP Program

#Question id: 11193

#Unit 7. System Physiology – Animal

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

TLS Online TPP Program

#Question id: 11194

#Unit 7. System Physiology – Animal

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