Julia R Migliore
Scientists nickname Connexin-43 "Cx43" or sometimes "GJA1" (gap junction A1). You know how the uterus has to contract all at once during labor? Or how whole chambers of the heart need to contract together to pump blood? Cx43 is a critical protein for making that happen! Cx43 is part of the connexin family of proteins. …
Pregnancy can be detected by looking for the glycoprotein human chorionic gonadotropin, which functions as a hormone. After an egg has been successfully fertilized, the resulting cell multiplies into a mostly hollow ball of cells called a blastula. Trophoblast cells, the cells on the exterior of the blastula, make and secrete hCG when the blastula …
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