Two independent pure line varieties having white and green phenotype in their fruit were cross, the all f1 progeny is white fruit. The F2 progeny obtain from selfing show white, yellow and green in ratio of 12:3:1. Which of the following is correct?

#Question id: 11189

#Part-B Specialized Branches in Biotechnology

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.

#Question id: 11190

#Part-B Specialized Branches in Biotechnology

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 ________.

#Question id: 11191

#Part-B Specialized Branches in Biotechnology

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 ________.

#Question id: 11192

#Part-B Specialized Branches in Biotechnology

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

#Question id: 11193

#Part-B Specialized Branches in Biotechnology

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

#Question id: 11194

#Part-B Specialized Branches in Biotechnology

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