[wp_quiz id=”3679″] The Mantoux test or Mendel–Mantoux test or The Mantoux tuberculin skin test (TST) is the standard method of determining whether a person is […]
[wp_quiz id=”3666″] The envelope glycoprotein (Env) of HIV, has two subunits gp120 and gp41. When HIV interacts with the helper T cell, the gp120 subunit […]
[wp_quiz id=”3622″] Stomata are tiny pore present in epidermis plant leaves and other soft plant parts are responsible for gaseous exchange. Each stoma is surrounded […]
[wp_quiz id=”3603″] The medulla oblongata and the pons are the major brain centers that regulate respiration. The respiratory centers in the brain are stimulated by […]
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A recent study published in the journal Science reported that nearly 3 billion fewer birds exist today in North America than in 1970. Journal: Rosenberg […]
Journal: Seeni I, Williams A, Nobles C, Chen Z, Sherman S, Mendola P. Acute air pollution exposure and NICU admission: a case-crossover analysis. 2019, Annals […]
In 1928, British bacteriologist Frederick Griffith had carried out a series of experiments using bacteria Streptococcus pneumoniae which causes pneumonia in human. In his experiments, […]
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