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TLS Online TPP Program

#Question id: 2632

How would transcription of the E. coli trp operon be affected,

I. If Removing sequence 4;

II. Changing several nucleotides in sequence 3 so that it can base-pair with sequence 4 but not with sequence 2;

#SCPH05 I Biotechnology

  1. I-No attenuation of transcription.

  2. I & II- The only regulation would be that afforded by the Trp repressor.

  3. II-Constant attenuation of transcription. Attenuator always forms, regardless of the availability of tryptophan.

  4. Only A & C

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TLS Online TPP Program

#Question id: 11978

#SCPH28 | Zoology

Which of the following statements about the ocean pelagic biome is true?
TLS Online TPP Program

#Question id: 1434

#SCPH28 | Zoology

A bone tumor sample appears to be heterozygous for a p53 mutation. The most likely explanation for this finding is:
TLS Online TPP Program

#Question id: 4752

#SCPH01 Biochemistry

Red-green color blindness is caused by a sex-linked recessive allele. A color-blind man marries a woman with normal vision whose father was color-blind. What is the probability that they will have a color-blind daughter? What is the probability that their first son will be color-blind respectively?
TLS Online TPP Program

#Question id: 15635

#SCPH05 I Biotechnology

Emotif uses which databases for alignment of sequences?
TLS Online TPP Program

#Question id: 2962

#SCPH01 Biochemistry

Which of the following experimental observations (some real, some contrived) would not be consistent with our current understanding of cytokinesis?