(Question)
Q: What protein is produced when a plasma cell is stimulated by antigens? Choices: - collagen - dystrophin - keratin - immunoglobulin A:
(Answer)
immunoglobulin

(Question)
Q: What's the name for a cluster of genes, where one promoter serves adjacent genes? Choices: - nucleus - proton - plasma - opteron A:
(Answer)
opteron

(Question)
Q: Where do all plants come from? Choices: - phylogenetic ancestors - distant ancestors - cetacean ancestors - terrestrial ancestors A:
(Answer)
terrestrial ancestors