X-linked agammaglobulinemia results from a mutation in:

TLS Online TPP Program

#Question id: 28989

#Unit 7. System Physiology – Animal

Which of the following is the major mechanism to terminate the actions of norepinephrine?

TLS Online TPP Program

#Question id: 28990

#Unit 7. System Physiology – Animal

Catecholamines relative function in both increasing and decreasing the secretion of insulin and glucagon via____

I- increasing by β-adrenergic mechanisms 

II- inhibiting by β-adrenergic mechanisms 

III- increasing by α-adrenergic mechanisms 

IV- inhibiting by α-adrenergic mechanisms

TLS Online TPP Program

#Question id: 28991

#Unit 7. System Physiology – Animal

Insulin synthesized and secreted by the___

TLS Online TPP Program

#Question id: 28992

#Unit 7. System Physiology – Animal

Insulin has an AB heterodimer structure with intrachain  and interchain disulfide bridges  such as___

I- One intrachain disulfide bridges (A6-A11) 

II- Two interchain disulfide bridges (A7-B7 and A20-B19)

III- two intrachain disulfide bridges (A6-A11 and A20-B19) 

IV- one interchain disulfide bridges (A7-B7 )

TLS Online TPP Program

#Question id: 28993

#Unit 7. System Physiology – Animal

The entry of glucose into pancreatic β cells is mediated by glucose transporter which is?

TLS Online TPP Program

#Question id: 28994

#Unit 7. System Physiology – Animal

which of the following step is not include in the insulin secretion ?