TLS Online TPP Program

#Question id: 1568


which one of these is not a characteristics  of B-cell?

#SCPH01 Biochemistry
  1. They are APCs

  2. Have surface marker  CD19

  3. B cell convert into plasma cell

  4. Antibodies at surface of b cell – IgM, IgA

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TLS Online TPP Program

#Question id: 1128

#SCPH01 Biochemistry

During the epinephrine stimulated conversion of glycogen to glucose 1-phosphate, which of the following steps involves protein phosphorylation?

a. inactivation of glycogen synthase               b. activation of protein kinase A

c. activation of adenylyl cyclise                      d. activation of glycogen phosphorylase

TLS Online TPP Program

#Question id: 1128

#SCPH28 | Zoology

During the epinephrine stimulated conversion of glycogen to glucose 1-phosphate, which of the following steps involves protein phosphorylation?

a. inactivation of glycogen synthase               b. activation of protein kinase A

c. activation of adenylyl cyclise                      d. activation of glycogen phosphorylase

TLS Online TPP Program

#Question id: 1129

#SCPH01 Biochemistry

Which of the following plays a role in the relaxation of smooth muscle cells by nitric oxide?

a. cGMP          b. protein kinase A      c. protein kinase G      d. guanylyl cyclise

TLS Online TPP Program

#Question id: 1129

#SCPH28 | Zoology

Which of the following plays a role in the relaxation of smooth muscle cells by nitric oxide?

a. cGMP          b. protein kinase A      c. protein kinase G      d. guanylyl cyclise

TLS Online TPP Program

#Question id: 1130

#SCPH01 Biochemistry

In muscle cells, glycogen phosphorylase kinase is activated by

a. Ca2+.           b. diacylglycerol.   c. nitric oxide.       d. protein kinase A.    

TLS Online TPP Program

#Question id: 1130

#SCPH28 | Zoology

In muscle cells, glycogen phosphorylase kinase is activated by

a. Ca2+.           b. diacylglycerol.   c. nitric oxide.       d. protein kinase A.