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TLS Online TPP Program

#Question id: 12914

 In Electrophoresis of DNA the gel is first soaked in the alkali then it is transferred to the membrane so that the ________

#SCPH28 | Zoology
  1. DNA is not  bound to it in exactly the same pattern as the original.
  2. DNA becomes bound to it in exactly the complementary  pattern as the original.
  3. DNA becomes bound to it in exactly the same pattern as the primer.
  4. DNA becomes bound to it in exactly the same pattern as the original.
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TLS Online TPP Program

#Question id: 11548

#SCPH28 | Zoology

If a portion of the pancreas is surgically removed from a rat and the rat subsequently loses its appetite, one explanation is that the removed portion contains cells that secrete a chemical signal that somehow stimulates appetite. Given this scenario, what type of chemical signaling is occurring?
TLS Online TPP Program

#Question id: 11549

#I Life Science/ Life Sciences Group – I-V

If a biochemist discovers a new molecule, which of the following pieces of data would allow her to draw the conclusion that the molecule is a steroid hormone?

I) The molecule is lipid soluble.

II) The molecule is derived from a series of steps beginning with cholesterol.

III) The molecule acts at a target tissue some distance from where it is produced.

IV) The molecule uses a transport protein when in an aqueous solution such as blood.
TLS Online TPP Program

#Question id: 11549

#SCPH28 | Zoology

If a biochemist discovers a new molecule, which of the following pieces of data would allow her to draw the conclusion that the molecule is a steroid hormone?

I) The molecule is lipid soluble.

II) The molecule is derived from a series of steps beginning with cholesterol.

III) The molecule acts at a target tissue some distance from where it is produced.

IV) The molecule uses a transport protein when in an aqueous solution such as blood.
TLS Online TPP Program

#Question id: 11550

#I Life Science/ Life Sciences Group – I-V

Which of the following are similar in structure to cholesterol?

I) estradiol

II) insulin

III) glucocorticoids

IV) testosterone

V) antidiuretic hormone
TLS Online TPP Program

#Question id: 11550

#SCPH28 | Zoology

Which of the following are similar in structure to cholesterol?

I) estradiol

II) insulin

III) glucocorticoids

IV) testosterone

V) antidiuretic hormone
TLS Online TPP Program

#Question id: 11551

#I Life Science/ Life Sciences Group – I-V

Polypeptides can have which of the following types of effects?

I) autocrine

II) paracrine

III) endocrine