Which chemical, contained in the granules of basophils, helps prevent blood clot formation?
a. histamine
b. leukotrienes
c. prostaglandins
d. heparin
e. SRS-A
d
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What is the end result of activating the MAP kinase pathway?
A. a change in gene expression B. phosphorylation of multiple cytosolic proteins C. synthesis of second messenger molecules D. ion flow
What causes the existence of superficial differences among groups of humans?
A) temporal isolation B) geographic isolation C) genetic incompatibility D) behavioral isolation
Which of the following protozoans is mismatched with the disease that it causes?
A. Trypanosoma brucei-sleeping sickness B. Trichomonas vaginalis-vaginitis and urethritis C. Giardia lamblia-malaria D. Entamoeba histolytica-amoebic dysentery
What factors stimulate uterine contractions and birth?
A. LH and prostaglandins B. Prolactin and prostaglandins C. hCG and prostaglandins D. FSH and prostaglandins E. Oxytocin and prostaglandins