Mean circulating filling pressure is?
a. difference between central venous pressure and central arterial pressure
b. mean atrial pressure
c. arterialpressure taken just at the point when heart stops beating
d. difference between systemic and pulmonary arterial pressure
Which is true about presynaptic inhibition?
a. occours due to hyperpolarisation of presynaptic membrane
b. occours due to inhibition of release of neurotransmitter from presynaptic terminal
c. produces action potential
Circadian rhythm is controlled by?
a. suprachiasmatic nucleus
b. median eminence
c. paramedian nu
d. supraoptic nuclei
DNA without introns is?
a. b DNA
b. z DNA
c. c DNA
d. mitochondrial DNA
All are true about glutathione except?
a. converts hemoglobin to methemoglobin
b. decreases free radicals
c. helps in conjugation reaction
d. co factor of various enzymes
Ribosome has following enzymatic activity?
a. peptidyl transferase
b. amino acyl t rna synthetase
Which enzyme is responsible for carboxylation reaction?
b. thiamine pyrophosphate
Glowing of firefly is due to?
d. phospho creatinine
In carboxylation of clotting factors by vit k which amino acid is carboxylated?
Synthesis of a immunoglobulin in membrane bound or independent form is determined by?
a. one turn two turn joining rule
b. allelic exclusion
c. class switching
d. differential rna processing