985073
Descripción
Test por stephiesteph01, actualizado hace más de 1 año
|
Creado por stephiesteph01
hace más de 12 años
|
|
Pregunta 1
Pregunta
concerning enzyme linked receptor structure, which of the following is FALSE?
Respuesta
-
they may contain phospholipid lipid chains
-
they may contain amino acids
-
they consist of a single polypeptide
-
all of the above are true
-
abstain
Pregunta 2
Pregunta
ligand binding to an enzyme linked receptor results in...
Respuesta
-
carboxylation
-
hydrolysis
-
dimerisation
-
reduction
-
abstain
Pregunta 3
Pregunta
tyrosine kinase transfers a __A___ to a __B___ residue in the target protein
Respuesta
-
A = tyrosine B = phosphate
-
A = phosphate B = tyrosine
-
A = glutamate B = tyrosine
-
A = tyrosine B = glutamate
-
abstain
Pregunta 4
Pregunta
A phosphatase is best described as...
Respuesta
-
an enzyme that removes a phosphate group
-
an enzyme that inactivates PLC (phospholipase C)
-
an enzyme that removes a phosphorous group
-
an enzyme that removes a phosphate group added to proteins by kinases
-
abstain
Pregunta 5
Pregunta
Tyrosine kinases are not the only type of kinases. From the list below, select which two are also kinases
Respuesta
-
serine
-
lysine
-
proline
-
valine
-
glutamate (glutamic acid)
-
threonine
-
tyramine
-
abstain
Pregunta 6
Pregunta
receptors for growth factors are an example of which type of cell receptor?
Respuesta
-
ionotropic
-
ligand-gated
-
enzyme linked
-
nuclear
-
abstain
Pregunta 7
Pregunta
which of the following receptors is ASSOCIATED with an enzyme?
Respuesta
-
receptor tyrosine kinase
-
receptor serine kinase
-
receptor guanylyl cyclase
-
tyrosine kinase - linked receptor
-
abstain
Pregunta 8
Pregunta
dimerization activates intrinsic tyr kinase activity in the ____ part of the receptor
Respuesta
-
intracellular
-
extracellular
-
pericellular
-
none of the above
-
abstain
Pregunta 9
Pregunta
____A_____ tyr kinase creates different ___B___ sites for different combinations of intracellular signalling proteins which in turn determines signalling outcome
Respuesta
-
A - autophosphorylated B - binding
-
A - autophosphorylated B - docking
-
A - dephosphorylated B - binding
-
A - dephosphorylated B - docking
-
abstain
Pregunta 10
Pregunta
binding of each signalling proteins to phosphotyrosines is...
Respuesta
-
specific
-
degenerate
-
non-specific
-
cooperative
-
abstain
¿Quieres crear tus propios Tests gratis con GoConqr? Más información.