Practice Questions

TLS Online TPP Program

#Question id: 11134

Which of the following statements concerning synaptic transmission is correct?

#7. System Physiology – Animal

When a specific population of synaptic terminals is spread over the considerable surface of a neuron, their collective effects cannot spatially summate and lead to initiation of an action potential
Even if the successive discharges of an excitatory synapse occur sufficiently close in time, they cannot temporally summate and initiate an action potential
A neuron is “facilitated” when its membrane potential is moved in the less negative or depolarizing direction
Even when rapidly stimulated by excitatory synaptic input for a prolonged period of time, neurons typically do not exhibit synaptic fatigue

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TLS Online TPP Program

#Question id: 3260

#11. Evolution and Behavior

Consider a diploid population at Hardy-Weinberg equilibrium. For a locus with two alleles, the frequency of the A1A1 genotype is 0.04) The frequency of A2 allele is

TLS Online TPP Program

#Question id: 11480

#7. System Physiology – Animal

Most of the chemosensory neurons arising in the nasal cavity have axonal projections that terminate in the ________.

TLS Online TPP Program

#Question id: 5258

#8. Inheritance Biology

Which of the following processes are not correct for conjugation?

TLS Online TPP Program

#Question id: 1578

#4. Cell Communication and Cell Signaling

Function of TH2