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TLS Online TPP Program

#Question id: 4944

What is true of the amino acids that might have been delivered to Earth within carbonaceous chondrites?

#SCPH28 | Zoology

  1. They had the same proportion of L and D isomers as Earth does today.

  2. The proportion of the amino acids was similar to those produced in the Miller-Urey experiment.

  3. There were fewer kinds of amino acids on the chondrites than are found in living organisms today.

  4. They were delivered in the form of polypeptides.

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TLS Online TPP Program

#Question id: 13033

#SCPH01 Biochemistry

The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.
TLS Online TPP Program

#Question id: 13033

#SCPH05 I Biotechnology

The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.
TLS Online TPP Program

#Question id: 13033

#SCPH06 I Botany

The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.
TLS Online TPP Program

#Question id: 13033

#SCPH28 | Zoology

The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.
TLS Online TPP Program

#Question id: 13034

#SCPH01 Biochemistry

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: 13034

#SCPH05 I Biotechnology

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.