Three ways in which synaptic transmission is ended. Introduction: Turning off the stimulus on time is as important as stimulating a postsynaptic cell, or else the post synaptic neuron will fire indefinitely, leading to a physiological coordination breakdown. The neurotransmitter molecule binds to the receptor for just 1 ms or so, then it dissociates from the receptor. If a presynaptic cell releases the neurotransmitter continuously, one molecule is rapidly replaced by another neurotransmitter molecule and the postsynaptic neuron is re-stimulated. This is one of the ways of stopping synaptic transmission - this terminates the addition of a new neurotransmitter molecule and getting rid of which is there already. The first step is attained by a signal cessation in the presynaptic neuron. The second step is achieved by three modes that are explained below.

Question

Want to see the full answer?

Answer 1

Question

Chapter 12.5, Problem 8AYLO

Summary Introduction

To discuss:

Three ways in which synaptic transmission is ended.

Introduction:

Turning off the stimulus on time is as important as stimulating a postsynaptic cell, or else the post synaptic neuron will fire indefinitely, leading to a physiological coordination breakdown. The neurotransmitter molecule binds to the receptor for just 1 ms or so, then it dissociates from the receptor. If a presynaptic cell releases the neurotransmitter continuously, one molecule is rapidly replaced by another neurotransmitter molecule and the postsynaptic neuron is re-stimulated. This is one of the ways of stopping synaptic transmission - this terminates the addition of a new neurotransmitter molecule and getting rid of which is there already. The first step is attained by a signal cessation in the presynaptic neuron. The second step is achieved by three modes that are explained below.

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Students have asked these similar questions

Three of the many recessive mutations in Drosophila melanogaster that affect body color, wing shape, or bristle morphology are black (b) body versus grey in wild type, dumpy (dp), obliquely truncated wings versus long wings in the male, and hooked (hk) bristles versus not hooked in the wild type. From a cross of a dumpy female with a black and hooked male, all of the F1 were wild type for all three of the characters. The testcross of an F1 female with a dumpy, black, hooked male gave the following results: Trait Number of individuals Wild type 169 Black 19 Black, hooked 301 Dumpy, hooked 21 Hooked, dumpy, black 172 Dumpy, black 6 Dumpy 305 Hooked 8 Determine the order of the genes and the mapping distance between genes. Determine the coefficient of confidence for the portion of the chromosome involved in the cross. How much interference takes place in the cross?

What happens to a microbes membrane at colder temperature?

Genes at loci f, m, and w are linked, but their order is unknown. The F1 heterozygotes from a cross of FFMMWW x ffmmww are test crossed. The most frequent phenotypes in the test cross progeny will be FMW and fmw regardless of what the gene order turns out to be. What classes of testcross progeny (phenotypes) would be least frequent if locus m is in the middle? What classes would be least frequent if locus f is in the middle? What classes would be least frequent if locus w is in the middle?