Defects in Signal Transduction and Disease — Flashcards

10 flashcards

In the adenylyl cyclase mechanism of cellular signaling, the second messenger _____ activates protein kinase A, which then phosphorylates specific proteins to produce physiologic actions

Gi proteins _____ the cAMP signaling cascade

_____ activates guanylyl cyclase in the gut, thereby increasing cGMP and fluid secretion.

Hint: Heat-labile or Heat-stable toxin

PTCH1 is a membrane receptor and a _____ regulator of the Hedgehog signaling pathway.

Hint: positive/negative

_____ often presents with increased levels of urinary cAMP due to the activation of Gs proteins when PTH binds its receptor

The alpha subunit of G proteins has intrinsic _____ activity and may bind GDP (inactive) or GTP (active)

Growth factor binding to receptor results in Ras replacing _____ with GTP

Activation of a **GPCR** involves the exchange of _____ for _____ on the Gα subunit, leading to its dissociation from the Gβγ complex.

_____ is the only known member of the CX3C chemokine group.

#10

Cyclin _____ and Cyclin E-CDK2 drive cells from G1 to S phase

Defects in Signal Transduction and Disease Flashcards for NEET-PG

Study 10 flashcards on Defects in Signal Transduction and Disease for NEET-PG Biochemistry. These active recall cards cover the key concepts, clinical associations, and high-yield facts from this chapter of Signal Transduction. Each card is designed to test your understanding rather than just recognition, building stronger and more durable memories for exam day.

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There are 10 flashcards for Defects in Signal Transduction and Disease, covering the key concepts, clinical correlations, and high-yield facts from this chapter of Signal Transduction.

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Yes. This page covers one chapter of Signal Transduction. Visit the topic page to see all chapters and their flashcards under Biochemistry.

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