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TLS Online TPP Program

#Question id: 11142

A researcher uses the chemical inhibitor cyanide to reduce ATP production in a neuron. What would be one effect of preventing ATP production?

#SCPH28 | Zoology
  1. The sodium and potassium channels would all be closed.
  2. The membrane would become more permeable to sodium.
  3. Disruption to the normal "resting" distribution of potassium and sodium ions.
  4. A physical breakdown of the plasma membrane would occur.
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TLS Online TPP Program

#Question id: 3642

#SCPH28 | Zoology

Any piece of DNA which replicates as a single unit is called
TLS Online TPP Program

#Question id: 18371

#SCPH28 | Zoology

Macadamia plant can be used for remediation of which metal ions?
TLS Online TPP Program

#Question id: 11677

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

Which of the following contribute to maintaining the high osmolarity of the renal medulla?

I) active transport of salt from the upper region of the ascending limb

II) the spatial arrangement of juxtamedullary nephrons

III) diffusion of urea from the collecting duct

IV) diffusion of salt from the descending limb of the loop of Henle
TLS Online TPP Program

#Question id: 13034

#SCPH06 I Botany

Which the following statements is/are true about the stacking gel?
i. The stacking gel solution contains acrylamide.
ii. It is on the top of the separating gel.
iii. It is used to dilute the protein sample before it enters the main separating gel.
iv. It is into this gel that the wells are formed and the proteins loaded.
TLS Online TPP Program

#Question id: 4593

#SCPH28 | Zoology

Which of Darwin's ideas had the strongest connection to his reading of Malthus's essay on human population growth?