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TLS Online TPP Program

#Question id: 2635

In E. coli, deleting the ribosome binding site and region 1 of the trp attenuator and leaving the remainder of the attenuator intact has which of the following effects?

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

  1. The attenuator structure will not form, and the structural genes will be transcribed.

  2. The attenuator structure will always form, and transcription will terminate.

  3. The frequency of attenuation will still be controlled by the concentration of trp-tRNAtrp.

  4. Translation of the structural genes will not occur.

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TLS Online TPP Program

#Question id: 13077

#SCPH05 I Biotechnology

The DNA probes for RFLP may NOT be obtained from
TLS Online TPP Program

#Question id: 18385

#SCPH28 | Zoology

Oil is a natural product, has many components and is biodegradable, the different components being degraded at different rates but still oil spills are considered as recalciterants because
TLS Online TPP Program

#Question id: 2113

#SCPH28 | Zoology

Why are lipids and proteins free to move laterally in membranes?
TLS Online TPP Program

#Question id: 945

#SCPH06 I Botany

A key precursor in the synthesis of aromatic amino acids (tryptophan, tyrosine and phenylalanine) is ________.
TLS Online TPP Program

#Question id: 13098

#SCPH28 | Zoology

You are a scientist who is using genomics to currently study a new bacterial species that no one has ever studied before. The following sequence is a piece of DNA within the coding region of a gene that you have recently sequenced.
 
How many of the 6 potential open reading frames are actually open in this sequence shown above?