Practice Questions

TLS Online TPP Program

#Question id: 12939

Choose the incorrect statement for the production of site-directed mutations.

#Zoology

It involves a logical sequence of analytical and computational techniques.
It does not use PCR technique for its production.
It includes the biochemical preparation and analysis of protein.
It improve a protein's structure and function.

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TLS Online TPP Program

#Question id: 34128

#Biochemistry

Mole for mole, which of the following has the greatest effect on Na⁺ excretion?

TLS Online TPP Program

#Question id: 34132

#Biochemistry

Which of the following are incorrectly paired?

TLS Online TPP Program

#Question id: 34136

#Biochemistry

A meal rich in proteins containing the amino acids that stimulate insulin secretion but low in carbohydrates does not cause hypoglycemia because':

TLS Online TPP Program

#Question id: 34141

#Biochemistry

I. Oxytocin causes contraction of the smooth muscle of the uterus.

II. The suckling of an infant at the breast stimulates the touch receptors, the nuclei are stimulated, oxytocin is released.

III. The sensitivity of the uterine musculature to oxytocin is enhanced by estrogen.

IV. Progesterone directly stimulates myometrial contraction while simultaneously reducing oxytocin clearance.

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.