TLS Online TPP Program

#Question id: 5736


Two zygote in which one A is 44+XYY and another B is 44+XXX karyotype is best described by

#Unit 8. Inheritance Biology
  1. Non disjunction in anaphase II of spermatogenesis for A zygote while non disjunction both anaphase I and II for B zygote 

  2. Non disjunction in anaphase II of spermatogenesis for A zygote while non disjunction either anaphase I or II for B zygote 

  3. Non disjunction in anaphase II of oogenesis for A zygote while non disjunction either anaphase I or II for B zygote 

  4. Non disjunction in anaphase I of spermatogenesis for A zygote while non disjunction either anaphase I or II for B zygote 

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TLS Online TPP Program

#Question id: 11497

#Unit 7. System Physiology – Animal

Which of the following is best described as an elongated, encapsulated receptor found in the dermal pegs of glabrous skin and is especially abundant on lips and fingertips?

TLS Online TPP Program

#Question id: 11496

#Unit 7. System Physiology – Animal

Forced rapid breathing results in alkalization of the blood which would lead to which of the following changes in neuronal activity?

TLS Online TPP Program

#Question id: 11495

#Unit 7. System Physiology – Animal

In a neuron with a resting membrane potential of −65mV, the distribution of which ion across the neuronal membrane represents the greatest potential electromotive force (EMF)?

TLS Online TPP Program

#Question id: 11226

#Unit 7. System Physiology – Animal

At the neuromuscular junction, the neurotransmitter acetylcholine (ACh) is degraded by acetylcholinesterase. If a neurophysiologist applies the naturally occurring acetylcholinesterase inhibitor, onchidal (produced by the mollusc Onchidella binneyi), to a synapse, what would you expect to happen?

TLS Online TPP Program

#Question id: 11225

#Unit 7. System Physiology – Animal

What happens if twice as many inhibitory postsynaptic potentials (IPSPs) as excitatory postsynaptic potentials (EPSPs) arrive in close proximity at a postsynaptic neuron?

TLS Online TPP Program

#Question id: 11224

#Unit 7. System Physiology – Animal

How could you increase the magnitude of excitatory postsynaptic potentials (EPSPs) generated at a synapse?