Protein kinase cascades are significant because amplification can occur at each

Question

Protein kinase cascades are significant because amplification can occur at each step in the path. information at the plasma membrane is communicated to the nucleus. the multiple steps allow for specificity of the process. All of the above Indicate whether each of the following descriptions better applies to a Weel protein (W) or a Cdc25 protein Your answer would be a four-letter string composed of letters W and C only, e.g. WWCW. () It is a protein kinase. () It activates M-Cdk complexes. () It is activated by M-Cdk complexes. () Its loss in fission yeast results in small cell size. Which of the following is more directly driven by active M-Cdk? Maturation of mitosis specific proteins Chromosome duplication Nuclear envelope reassembly Inactivation of APC/C Cell cleavage Select the order that is correct for signal transduction Binding of a signal, secondary messenger released, receptor conformation altered, cellular function altered Binding of a signal, secondary messenger released, receptor conformation altered, transcription of gene Binding of a signal, responder activates target protein, receptor conformation altered, secondary messenger released transcription of gene Binding of a signal, receptor conformation altered, responder activates target protein, cellular function

Explanation / Answer

31. Protein kinase cascade are significant because - a. amplification can occur in each step, information in plasma membrane in communicated in nucleus, c. multiple step allow specificity to the process.

protein kinase are kinase enzymes that modifies protein function by phosphorylating them. an important target is RAS protein signal transduction chain. its ligand binding is regulated by two factors dimerization, autophosphorylation.

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