Practice Questions

TLS Online TPP Program

#Question id: 4471

Intrinsic terminators,

#Unit 3. Fundamental Processes

Uses the energy derived from ATP hydrolysis to induce termination
these sites consist of stretches of ~40 nucleotides that do not fold into a secondary structure.
A short inverted repeat (of ~20 nucleotides) followed by a stretch of about eight A:T base pairs
They function in the DNA rather than in the RNA.

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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 ?

TLS Online TPP Program

#Question id: 28995

#Unit 7. System Physiology – Animal

insulin- containing secretory vesicles fused with the plasma membrane and the secretion of insulin is mediated by____