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TLS Online TPP Program

#Question id: 11120

The release of neurotransmitter at a chemical synapse in the central nervous system is dependent upon which of the following?

#I Life Science/ Life Sciences Group – I-V
  1. Synthesis of acetylcholinesterase
  2. Hyperpolarization of the synaptic terminal
  3. Opening of ligand-gated ion calcium channels
  4. Influx of calcium into the presynaptic terminal
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TLS Online TPP Program

#Question id: 6983

#I Life Science/ Life Sciences Group – I-V

In vertebrates, the heart forms from:
TLS Online TPP Program

#Question id: 658

#SCPH01 Biochemistry

To what level of structure do α-helices belong?
TLS Online TPP Program

#Question id: 12738

#SCPH28 | Zoology

Match  the following:
1. Growth Factors                                                    i. GTPase
2. Protein kinases                                                    ii. PDGF
3. G- Proteins                                                           iii. DNA binding protein
4. Nucleus located transcription factors      iv.Serine Kinases
TLS Online TPP Program

#Question id: 18614

#SCPH01 Biochemistry

The primer length affects the efficiency rate of PCR, this rate decreases as the primer length
TLS Online TPP Program

#Question id: 15142

#SCPH01 Biochemistry

Dot matrix analysis of the amino acid sequences of lambda phage cI (horizontal sequence) and phage P22 c2 (vertical sequence) repressors is shown below. Which one of the following is correct?