Serotonin is amine neurotransmitter that is derived from (i)__________, and it is deactivated by (ii)___________.
a) (i) tyrosine, (ii) tyrosine hydroxilase
b) (i) tryptophan, (ii) moniamine oxidase
Answer: b) (i) tryptophan, (ii) moniamine oxidase
Biology & Microbiology
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Which of the following is NOT functionally important in cells of the gametophytes of both angiosperms and gymnosperms?
A) haploid nuclei B) mitochondria C) cell walls D) chloroplasts
Biology & Microbiology
Organism that can capture energy and synthesize organic molecules from inorganic nutrients.
What will be an ideal response?
Biology & Microbiology
Prokaryotic cells include:
A) bacteria and plant cells. B) archaea and fungi. C) bacteria and archaea. D) bacteria and animal cells.
Biology & Microbiology
Which of the following would you not find in the nasopharynx?
A. Haemophilus influenzae B. Neisseria meningitidis C. Branhamella catarrhalis D. Streptococcus pneumoniae
Biology & Microbiology