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#Question id: 3619


Alleles that are both expressed in a heterozygote are

#SCPH12 I Genetics
  1. Completely dominant.

  2. Codominant.

  3. Incompletely dominant.

  4. Epistatic.

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#Question id: 2105

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

An investigator wants to use FRAP to quantify the lateral movement of a specific plasma membrane protein, but to do so this investigator must first:

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#Question id: 4972

#SCPH28 | Zoology

Fossils of Lystrosaurus, a dicynodont therapsid, are most common in parts of modern-day South America, South Africa, Madagascar, India, South Australia, and Antarctica. It apparently lived in arid regions, and was mostly herbivorous. It originated during the mid-Permian period, survived the Permian extinction, and dwindled by the late Triassic, though there is evidence of a relict population in Australia during the Cretaceous. The dicynodonts had two large tusks, extending down from their upper jaws; the tusks were not used for food gathering, and in some species were limited to males. Food was gathered using an otherwise toothless beak. Judging from the fossil record, these pig-sized organisms were the most common mammal-like reptiles of the Permian. Anatomically, what was true of Lystrosaurus?

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#Question id: 13058

#SCPH06 I Botany

Precision will be reduced, but yield will be increased
Optimisation of a PCR reaction is often a compromise between the competing demands for precision, efficiency and yield. Although the specific effects may vary, generally, increasing the annealing temperature will increase non-specific primer binding and reduce precision. Increasing the length of the elongation phase will reduce the proportion of incomplete newly-synthesised strands and therefore increase yield. In this case, the potential effect on efficiency is unclear. Increasing the elongation phase would increase the reaction time, but the time taken to ramp down to a lower annealing temperature would be reduced.
Which of the following true about real time PCR?

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#Question id: 5606

#SCPH01 Biochemistry

During which one of the following stages of A. thaliana embryogenesis, cell elongation throughout the embryonic axis and further development of the cotyledons occur?

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#Question id: 1022

#SCPH28 | Zoology

Why are we concerned at all with monitoring emerging/reemerging diseases?