The hormone that stimulates the release of pancreatic bicarbonate is:
A. Motilin
B. Gastrin
C. Cholecystokinin
D. Secretin
Answer: Option D
Solution (By JKSSB Mock Tests)
Secretin, released from the duodenum in response to acidic chyme, stimulates the pancreas to secrete bicarbonate-rich fluid to neutralize the acid. Gastrin stimulates HCl, CCK enzyme secretion, motilin GI motility.
Explanation:
SDS-PAGE (sodium dodecyl sulfate polyacrylamide gel electrophoresis) denatures proteins and coats them with negative charge, allowing separation by molecular weight in an electric field. PCR amplifies DNA, sequencing determines base order, ELISA detects antigens/antibodies. SDS-PAGE is a fundamental biochemistry technique.
Explanation:
Prolactin, from the anterior pituitary, promotes mammary gland development and milk synthesis. Oxytocin triggers milk ejection. Estrogen and progesterone prepare breasts during pregnancy but inhibit milk secretion.
Explanation:
Malaria, caused by Plasmodium parasites, is transmitted by the female Anopheles mosquito. Dengue and chikungunya are transmitted by Aedes mosquito, filariasis by Culex mosquito. Malaria remains a major global health concern.
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