Practice Questions

TLS Online TPP Program

#Question id: 550

Which of the following statements is false?

#Biochemistry

A reaction may not occur at a detectable rate even though it has a favorable equilibrium.
After a reaction, the enzyme involved becomes available to catalyze the reaction again.
For S -> P, a catalyst shifts the reaction equilibrium to the right.
Lowering the temperature of a reaction will lower the reaction rate.

More Questions

TLS Online TPP Program

#Question id: 34142

#Biochemistry

Somatostatin inhibits the secretion of following hormones, EXCEPT?

TLS Online TPP Program

#Question id: 34146

#Biochemistry

I. Human pituitary prolactin has considerable structural similarity to human growth hormone and human chorionic somatomammotropin (hCS).

II. Structurally similar prolactin are secreted by the endometrium and by the placenta.

III. prolactin secretion is increased during pregnancy, reaching a peak at the time of parturition.

IV. The human prolactin receptor resembles the oxytocin receptor.

TLS Online TPP Program

#Question id: 34147

#Biochemistry

Which of the following statements not CORRECT regarding the mechanism and reproductive role of prolactin during lactation?

TLS Online TPP Program

#Question id: 34148

#Biochemistry

Assertion (A): Prolactin stimulates the synthesis of casein and lactalbumin during lactation without acting directly on the cell nucleus.

Reason (R): The action of prolactin is dependent on intact microtubules, suggesting involvement of cytoplasmic transport or signaling components.

Choose the correct option:

TLS Online TPP Program

#Question id: 34154

#Biochemistry

Which organelle is particularly abundant in adrenal cortex cells due to its role in steroid hormone synthesis?

TLS Online TPP Program

#Question id: 34163

#Biochemistry

Which of the following represents the correct sequential pathway for aldosterone synthesis from cholesterol, based on the enzyme-catalyzed steps?