Complete the following question by providing detailed explanations with examples. Explain the roles of cell signaling...

Complete the following question by providing detailed explanations with examples.

Explain the roles of cell signaling in DNA transcription and protein synthesis.

Expert Solution

Answer:

Role of cell signaling in DNA transcription and protein synthesis:

Cell signaling involves a complex network of communications between cells that plays an important role in cellular acitivities like regulation of gene expression, regulation of metabolism,cell survival, cell differentiation etc.

DNA transcription and protein synthesis:

Signaling molecules trigger transcription factors.
For example NF-kB Transcription Factors are structurally-related eukaryotic transcription factors that regulate the expression of genes.
NF -kB siganling pathway is involved in the transcription regulation of cytokines, cell adhesion molecules, chemokines and complement factors.
Ras/MAP kinase pathway is also invovled in regulation of gene expression

Protein Synthesis:.

The process of protein synthesis is called as translation.
Signaling pathways are utilized by cells to control and regulate the process of protein synthesis.
There are extracellular and intracellular cues to phosphorylate proteins that play a critical role in ribosomal biogenesis and translation initiation and elongation.
Example of Signaling pathway that regulate eukaryotic protein synthesis include Akt Signaling pathway.

gladiator answered 1 year ago

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