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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: 6949

#SCPH06 I Botany

During gastrulation in Xenopus, the future mesoderm and endoderm move inside the embryo through the "blastopore"; in contrast, in chickens, gastrulation involves cells moving inward through the:
TLS Online TPP Program

#Question id: 16016

#SCPH05 I Biotechnology

Range of optimum glutamine concentration present in the culture media is
TLS Online TPP Program

#Question id: 19353

#SCPH28 | Zoology

Gene uidA encodes the enzyme P-glucourinidase which acts on the substrate 
TLS Online TPP Program

#Question id: 4809

#SCPH06 I Botany

The upper most following figure above shows the locations of four genes on the genetic map of an organism; the lower figure shows the locations of the same four genes on a physical map derived from the nucleotide sequence of the DNA of that organism. The maps are not identical because
TLS Online TPP Program

#Question id: 5577

#SCPH28 | Zoology

Totipotency is a term used to describe a cell's ability to give rise to a complete new organism. In plants, this means that ________.