The mechanism by which a receptor converts a stimulus into an electrical signal

Question

The mechanism by which a receptor converts a stimulus into an electrical signal is called conduction. Transduction modulation propagation convection Which of the following neutrotransmitters is a biogenic amino but not a catecholamine? Epinephrine serotonin none of the above, they are all catecholamine The EPSPS from two different synapses occur at the same time and cause a larger depolarization than either one alone can cause. This is an example of Membrane stabilization Presynaptic Inhibition Presynaptic facilitation Temporal stimulation Spatial stimulation The base sequence on tRNA that recognizes the mRNA codon by the law of complimentary base pairing is called the rRNA Anticodon. Amino codon. Leader codon. Initiator codon. The receptors that provide information which plays a major role in regulating cardiac function and adjusting blood flow to vital tissues are: Mechanoreceptors Baroreceptors Tactile receptors A, B, and C are correct None of the above. Sites on the skin surface that provide referred pain include heart stomach liver appendix All of the above.

Explanation / Answer

39. a) Conduction. The receptors on the neurons convert an impulse into an action potential, which is an electro-chemical event, which changes in the voltage of the cell membrane.

40. d) Serotonin.

There exist five biogenic amine neurotransmitters -

Catecholamines -

1. norepinephrine

2. epinephrine

3. dopamine

Non-catecholamines -

1. serotonin

2. histamine

41. e) Spatial stimulation. Also called Spatial summation, is the process of achieving larger stimulation bt propagating through multiple pre-synapses.

42) b. Anticodon. The anticodon in the tRNA binds to the triplet codon of the mRNA. In this way, the long genetic code on the mRNA is decoded by the tRNAs. Each tRNA brings one amino acid, to form a protein molecule.

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