Answer:
cAMP dependent pathway is important for processing of life.
Explanation:
cAMP pathway is also called as adenynyl cyclase pathway.
This mechanism requires different steps like-
- G protein coupled receptor is a integral protein that is activated by different external stimuli which binds with the specific ligand.
- Extracellular ligand causes activation of GPCR which in turn is responsible for conformational change in the receptor and allows it to bind with the intracellular heterotrimeric G protein complex.
- The Gα stimulate G protein complex to exchange GDP for GTP and then the complex is released.
- Activated Gα binds with adenylate cyclase and catalyzes ATP to form cyclic AMP.
- Activation of cAMP leads to the activation of nucleotide gated ion channel, and PKa(Protein kinase A) which is also called as cAMP dependent enzyme.
- Once, PKA is activated,it causes phospholylation of other proteins like AMPA receptor,transcription factors which regulate gene expression, and convert glycogen into glucose.
<span> i believe the correct answer is Adaptations increase the probability of an organism surviving and reproducing in a specific environment.
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Answer:
The membrane protein would remain in Golgi complex and would not be targeted to plasma membrane.
Explanation:
Proteins are synthesized at the surface of the rough endoplasmic reticulum. Endoplasmic reticulum and Golgi complex coordinate for protein targeting. Proteins formed on the rough ER are packed in transport vesicles that bud off from the surface of rough endoplasmic reticulum and fuse with cis-cisternae of the Golgi complex. Once inside the lumen of the Golgi complex, the proteins are being modified and folded.
The membrane proteins are again packed in vesicles that bud off from the trans-cisternae of Golgi complex and fuse with the plasma membrane to release the proteins. In the presence of the drug that disrupts protein targeting at the trans-face of the Golgi complex, the membrane protein would not be transported to the membrane and would remain in the Golgi complex only.