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TLS Online TPP Program

#Question id: 11126

Which of the following is characteristic of the events occurring at an excitatory synapse?

#I Life Science/ Life Sciences Group – I-V
  1. There is a massive efflux of calcium from the presynaptic terminal
  2. Synaptic vesicles bind to the postsynaptic membrane
  3. Voltage-gated potassium channels are closed
  4. Ligand-gated channels are opened to allow sodium entry into the postsynaptic neuron
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TLS Online TPP Program

#Question id: 16494

#SCPH28 | Zoology

Few examples of plant vectors produced from viruses
TLS Online TPP Program

#Question id: 1544

#SCPH01 Biochemistry

function equivalent of MASP-2
TLS Online TPP Program

#Question id: 1434

#SCPH28 | Zoology

A bone tumor sample appears to be heterozygous for a p53 mutation. The most likely explanation for this finding is:
TLS Online TPP Program

#Question id: 19375

#SCPH01 Biochemistry

In case of certain endogenous pathways, the activity of a specific enzyme may be rate limiting for the pathway. What could be done to enhance the productivity of the pathway? 
TLS Online TPP Program

#Question id: 315

#SCPH01 Biochemistry

Which is not a proper way to form a hydrogen bond? (The symbol ʺRʺ represents a general organic group. The hydrogen bonding is represented by dashed lines.)