In frogs,which of the following substances act as neurotransmitters?

  • A
    Acetylcholine is the only neurotransmitter.
  • B
    Noradrenaline is the only neurotransmitter.
  • C
    Both acetylcholine and noradrenaline act as neurotransmitters.
  • D
    Neither acetylcholine nor noradrenaline acts as a neurotransmitter.

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Similar Questions

Match the description given in column $I$ with their examples given in column $II$ and choose the correct option.
Column $I$ (Description)Column $II$ (Example)
$A$. Aquatic respiratory organ$I$. Skin
$B$. Organ which acts as urogenital duct$II$. Ureter and opens into the cloaca
$C$. $A$ small median chamber$III$. Cloaca that is used to pass faecal matter,urine and sperms to the exterior
$D$. $A$ triangular structure$IV$. Sinus venosus which joins the right atrium and receives blood through vena cava

Teeth in frog are:

In frogs,which system$(s)$ open into the cloaca?

Glands of $Swammerdam$,which are calcareous glands,are found:

Describe the structure of the stomach of a frog.

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