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TLS Online TPP Program

#Question id: 1083

 When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which part of the signal pathway?

#Unit 4. Cell Communication and Cell Signaling

  1. relay molecule

  2. transducer

  3. signal molecule

  4. response molecule

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TLS Online TPP Program

#Question id: 10427

#Unit 6. System Physiology – Plant

HIRs require prolonged or continuous exposure to light of relatively high irradiance, these HIRs induce phytochrome responses such as
a) Synthesis of flavonoids including anthocyanins
b) Inhibition of hypocotyl elongation in various plants
c) Induction of flowering and Plumular hook opening in lettuce
d) Enlargement of cotyledons in mustard
e) Production of ethylene in sorghum
Which of the following phytochrome responses induce by HIRs is correct?
TLS Online TPP Program

#Question id: 14509

#Unit 13. Methods in Biology

Aishwarya studies either computer science or mathematics everyday. If she studies computer science on a day, then the probability that she studies mathematics the next day is 0.6. If she studies mathematics on a day, then the probability that she studies computer science the next day is 0.4. Given that Aishwarya studies computer science on Monday, what is the probability that she studies computer science on Wednesday ?
TLS Online TPP Program

#Question id: 5574

#Unit 5. Developmental Biology

In close comparisons, external fertilization often yields more offspring than does internal fertilization. However, internal fertilization typically offers the advantage that ________.
TLS Online TPP Program

#Question id: 3000

#Unit 2. Cellular Organization

Mycoplasmas are bacteria that lack cell walls. On the basis of this structural feature, whichstatement concerning mycoplasmas should be true?
TLS Online TPP Program

#Question id: 28396

#Unit 5. Developmental Biology

VegT is critical in generating the germ cells, two genes activated by VegT protein that encodes the transcriptional factor as well as paracrine factors that instruct the cell layers to become their fate. which of the following statements is incorrect?
a) Sox17 paracrine factor that specify cells to be endoderm
b) Nodal transcription factors that instruct the cell layers above them to become mesoderm
c) Nodal paracrine factors that instruct the cell layers above them to become mesoderm
d) Sox17 transcription factor that specify cells to be endoderm