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TLS Online TPP Program

#Question id: 4342

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?

#SCPH06 I Botany

  1. The inducer will no longer bind to the repressor.

  2. The repressor will no longer bind to the operator.

  3. The operon will never be transcribed.

  4. The genes of the lac operon will be transcribed continuously.

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TLS Online TPP Program

#Question id: 9277

#SCPH06 I Botany

The light energy absorbed by the carotenoids is transferred to chlorophyll for photosynthesis; because of this role they are called
TLS Online TPP Program

#Question id: 2347

#SCPH28 | Zoology

Diffusion of molecules across biological membranes that requires channels is called
TLS Online TPP Program

#Question id: 41

#SCPH05 I Biotechnology

Enzymes are biological catalysts that enhance the rate of reaction by:
TLS Online TPP Program

#Question id: 102

#SCPH06 I Botany

 The structure of a disaccharide is shown below. Which statement is correct about following structure?
TLS Online TPP Program

#Question id: 8910

#SCPH05 I Biotechnology

Both animals and fungi are heterotrophic. What distinguishes animal heterotrophy from fungal heterotrophy is that only animals derive their nutrition