Question

Section 12.3 20) Which process is NOT a feature of visual signal transduction? e. activation of a cGMP phosphodiesterase 1. replacement of all-trans-retinal catalyzed by transducin 8. light absorption by 11-cis-retinal h. change in cell membrane potential Section: 12.3 GPCRs in Vision, Olfaction, and Gustation Section 12.4 21) Receptor tyrosine kinases: e. are dimers. f. do not regulate gene expression. 8. engage in extensive cross talk with other signal transduction systems. h. bind insulin. Section: 12.4 Receptor Tyrosine kinases Section 12.5 22) Protein kinase G: e. is activated by GMP. f. is a tyrosine kinase. g. is stimulated by sildenafil (Viagra). h. activates ion pumps in cardiac tiss Section: 12.5 Receptor Guanylyl Cyclases, cGMP, and Protein kinase G 23) does does NOT activate guanylyl cyclase. e. Atrial natriuretic factor f. Fibroblast growth factor 8. Guanylin h. Nitric oxide Section: 12.5 Receptor Guanylyl Cyclases, CGMP, and Protein kinase G

Answer 1

Answer-1) Replacement of all trans retinal catalysed by transduction is not a feature of vidual signal transduction. the feature is Replacement of all Cis retinal catalysed by transduction..

2) Receptor tyrosine kinases-They are

a) Dimer,

b) Regulate gene expression

c) Engage in extensive cross talk with other signal transduction system

d) They bind insuline.

3) Protein kinase G -

a) is activated by GMP.

b) Protein kinase G is not a tyrosine kinase.

c) is stimulated by sildenafil stimulate.

d) Actiavate ion pump in cardiac tissue

4) Fibroblast growth factor does not actiavate Guanylyl cyclase