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Chemicals which are released at the syna...

Chemicals which are released at the synaptic junction are called

A

Hormones

B

Neurotransmitters

C

Cerebrospinal fluid

D

Lymph

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • The chemicals which regulate the synaptic transmission at chemical synapses are called

    A
    Neurohormones
    B
    Neurotransmitters
    C
    Iodothyronines
    D
    Second messengers

  • A synaptic cleft is

    A
    the space present inside the presynaptic neuron
    B
    the space present inside the postsynaptic neuron
    C
    the space separating the pre and postsynapitc neurons
    D
    the space present inside the synaptic vesicles

  • The given diagram shows axon terminal.Select the option that correctly matches the steps in transmission of impulses (list i-vii) with the labellings (A-C) in diagram. (i)Chemicals called neurotransmitters are released in the synaptic cleft through ion channels. (ii)When an impulse arrives at the axon terminal, it stimulates the movement of synaptic vesicles. (iii)Neurotransmitters are endocytosed into the neurons. (iv)The ions channels close with the binding of neurotransmitters to their specific receptors vesicles. (v)Synaptic vesicles move towards the membrane where they fuse with the plasma membrane. (vi)Neurotransmitters are released in the synaptic cleft. (vii)The released transmitters bind to their specific receptors on post-synaptic membrane

    A
    `{:(A," "B," "C),((ii)""," "(iii)" "," "(i)) :}`
    B
    `{:(A," "B," "C),((v)""," "(vi)" "," "(iv)) :}`
    C
    `{:(A," "B," "C),((ii)""," "(vi)" "," "(vii)) :}`
    D
    `{:(A," "B," "C),((v)""," "(iii)" "," "(iv)) :}`

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