Binding of IL6 by its receptor results in which of these cellular responses? a) Activation of...
Binding of IL6 by its receptor results in which of these cellular responses?
a) Activation of JAK
b) Translocation of STAT3 into the nucleus
c) All of these
d) Phosphorylation of STAT3
Homework Answers
interleukin 6 binds to its receptor then JAK on the receptor is phosphorylated, then it phosphorylates STAST-3, phosphorylated STAT-3 dimerizes and translocates into the nucleus, and changes the gene expression so the answer is c) all of these.
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Binding of IL6 by its receptor results in which of these
cellular responses?
a) Activation of...
Ligand binding to a G-protein coupled receptor (GPCR) results in activation of a single G- protein...
Ligand binding to a G-protein coupled receptor (GPCR) results in activation of a single G- protein and then the receptor deactivates. O True False When an activated receptor relays the signal along more than one pathways this is called convergence. O True OFalse Which of the following best describes digestive enzymes? O Hydrolases OLigases Kinases Transferases Decarboxylases Most digestive enzymes are released from cells in an inactive form. True False denatures Protein digestion in humans (and other mammals) begins in...
Which is NOT true of RTK activation A. A dominant-negative mutation of the receptor showed that...
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Drosopholia eye development is an example of cell differentiation directed by signal binding to a receptor...
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T cell activation results in all of the following except. (a) activation of cellular mitosis genes,...
T cell activation results in all of the following except. (a) activation of cellular mitosis genes, (b) release of cytokines stored in cytoplasmic granules, (c) new mRNA synthesis, (d) mitosis, (e) new cytokine production.
Glucagon can induce several changes in second messengers that alter cellular metabolism. Which changes in second...
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7a) Outline the two major cellular process/pathways activated by binding of EGF binding to the EGF-receptor...
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please make sure to draw not just explain Ligand binding to certain receptor tyrosine kinases results...
please make sure to draw not just explain
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QUESTION 5 A series of glucocorticoid receptor (GR) CDNA or its mutants linked to B-Galactosidase (Gal)...
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help with 7-10 Question 7 1 pts Phosphorylation of kinases in one location can result in activation, while phosphor...
help
with 7-10
Question 7 1 pts Phosphorylation of kinases in one location can result in activation, while phosphorylation in another location on the same protein can result in deactivation of the enzyme. True False Question 8 2 pts Dephosphorylation, or removal of a phosphate group, is accomplished with the help of a both kinases and phosphatases neither kinases not phosphatases phosphatase kinase Question 9 1 pts Select all of the following that act as second messengers. D DAG CAMP...
Ligand binding to a G-protein coupled receptor (GPCR) results in activation of a single G- protein and then the receptor deactivates. O True False When an activated receptor relays the signal along more than one pathways this is called convergence. O True OFalse Which of the following best describes digestive enzymes? O Hydrolases OLigases Kinases Transferases Decarboxylases Most digestive enzymes are released from cells in an inactive form. True False denatures Protein digestion in humans (and other mammals) begins in...
Drosopholia eye development is an example of cell differentiation directed by signal binding to a receptor tyrosine kinase (RTK). In this pathway, R7 photoreceptor development requires a receptor (SEV, sevenless), which is activated by binding to a plasma membrane bound signal (BOSS, bride-of-sevenless) displayed on the adjacent R8 cell Receptor activation leads to activation of RAS via two proteins, Drk (down- stream of receptor kinases) and Sos (son-of-sevenless). Activated RAS leads to activation of a phosphorylation cascade that activates the...
T cell activation results in all of the following except. (a) activation of cellular mitosis genes, (b) release of cytokines stored in cytoplasmic granules, (c) new mRNA synthesis, (d) mitosis, (e) new cytokine production.
please make sure to draw not just explain
Ligand binding to certain receptor tyrosine kinases results in the activation of a sphingomyelinase enzyme. Draw the reaction that shows the sphingomyelinase catalyzed hydrolysis of sphingomyelin to ceramide.
QUESTION 5 A series of glucocorticoid receptor (GR) CDNA or its mutants linked to B-Galactosidase (Gal) were transfected into cells and tre dexamethasone. B-Galactosidase was assayed in the nucleus and cytoplasm of cells. B-Galactosidase activity was found in the transfectants containing the following: O GR CDNA-bGal O GR ligand binding domain-bal O GR DNA binding domain-bGal O GR activation domain-bGal O GR flexible domain-bGal O A and B OC,D,E O A, B, C, and D all of the above
help
with 7-10
Question 7 1 pts Phosphorylation of kinases in one location can result in activation, while phosphorylation in another location on the same protein can result in deactivation of the enzyme. True False Question 8 2 pts Dephosphorylation, or removal of a phosphate group, is accomplished with the help of a both kinases and phosphatases neither kinases not phosphatases phosphatase kinase Question 9 1 pts Select all of the following that act as second messengers. D DAG CAMP...
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