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TLS Online TPP Program

#Question id: 22949

How CONSTANS gene and its encoded protein involved in translating day length into a signal that converts a vegetative shoot meristem into a floral meristem?

#SCPH28 | Zoology
  1. CONSTANS protein is degraded in the dark, but accumulates in the leaves as the days get longer.
  2. CONSTANS protein is degraded in the light, and so accumulates in the leaves as the days get shorter.
  3. Peak expression of CONSTANS occurs at mid-morning.
  4. The CONSTANS gene regulates the circadian clock.
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TLS Online TPP Program

#Question id: 2676

#SCPH05 I Biotechnology

The structural genes of lac operon transcribe mRNA which is
TLS Online TPP Program

#Question id: 2676

#SCPH06 I Botany

The structural genes of lac operon transcribe mRNA which is
TLS Online TPP Program

#Question id: 2677

#SCPH05 I Biotechnology

Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?
TLS Online TPP Program

#Question id: 2677

#SCPH06 I Botany

Why is the transcription of structural genes of the trp operon turned off in the presence of tryptophan?
TLS Online TPP Program

#Question id: 2678

#SCPH05 I Biotechnology

Insertional inactivation of the lacZ gene on a plasmid can be used to screen for recombinants on a plate containing:
TLS Online TPP Program

#Question id: 2678

#SCPH06 I Botany

Insertional inactivation of the lacZ gene on a plasmid can be used to screen for recombinants on a plate containing: