Practice Questions

TLS Online TPP Program

#Question id: 11145

Two fundamental concepts about the ion channels of a "resting" neuron are that the channels ________.

#SCPH28 | Zoology

are always open, but the concentration gradients of ions frequently change
are always closed, but ions move closer to the channels during excitation
are open or closed depending on their type, and are specific as to which ion can traverse them
open in response to stimuli, and then close simultaneously, in unison

More Questions

TLS Online TPP Program

#Question id: 4979

#SCPH28 | Zoology

The dicynodonts that survived the Permian extinction would initially have had to endure (or escape from) the physical effects of __________, and subsequently, the biological effects of __________.

TLS Online TPP Program

#Question id: 2264

#SCPH01 Biochemistry

Plants differ from animals in that plants have

TLS Online TPP Program

#Question id: 14208

#SCPH05 I Biotechnology

Unit of specific oxygen uptake rate?

TLS Online TPP Program

#Question id: 18369

#SCPH05 I Biotechnology

The chemical and breakdown products of herbicide DDT cause eggshell thinning and population declines in multiple North American and European bird of prey. They are remediated by