Which one is component of Ornithine cycle?
Ornithine, citrulline and alanine
Ornithine, citrulline and arginine
Amino acids are not used
Ornithine, citrulline and fumaric acid
B.
Ornithine, citrulline and arginine
Ornithine cycle or Krebs- Hanseleit cycle or urea cycle was dicovered by Hans Krebs and Kurt Hanseleit. It takes place in liver cells for synthesis of urea. The main componet of ornithine cycle are arginine, ornithine and citrulline.
Entamoeba histolytica differs from Amoeba in absence of
pseudopodia
contractile vacuole
nucleus
ectoplasm
The velocity of conduction of nerve impulse in frog is
300 m/s
same as of electricity
faster than sound
30 m/s
Which compound has a very important role in prebiotic evolution?
Sulphur dioxide
Nitric oxide
Methane
Sulphur trioxide
In parasympathetic nervous system, which of the following is released?
Epinephrine
Norepinephrine
Serotonin
Acetylcholine
Which of the following is important for muscle contraction and nerve impulse transmission?
Ca2+ ions
Ca2+ and Mg2+ ions
Mg2+ ions
Fe2+ ions