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TLS Online TPP Program

#Question id: 2066

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?

#SCPH05 I Biotechnology

  1. It exhibits specificity for a particular type of molecule.

  2. It requires the expenditure of cellular energy to function.

  3. It works against diffusion.

  4. It has no hydrophobic regions.

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TLS Online TPP Program

#Question id: 1035

#SCPH28 | Zoology

A new drug is developed that inhibits formation of the flagellar filament by impairing production of the protein flagellin. Is this going to be a good drug?
TLS Online TPP Program

#Question id: 12727

#SCPH28 | Zoology

Name the form of DNA which may be produced with a DNA sequence made up from alternating purine and pyrimidine nucleotides.
TLS Online TPP Program

#Question id: 12685

#SCPH05 I Biotechnology

The polarities of the two strands of the molecule are in opposite direction and thus DNA is described as ________
TLS Online TPP Program

#Question id: 4342

#SCPH06 I Botany

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome. If a researcher moves the operator to the far end of the operon, past the transacetylase (lacA) gene, which of the following processes would likely occur when the cell is exposed to lactose?
TLS Online TPP Program

#Question id: 19370

#SCPH06 I Botany

Genes are transferred from prokaryotes into plants with the objective