There is a mutation that is found in E. coli in the repressor that results in a molecule known as a super-repressor because it represses the lac operon permanently. Which of the following characteristics would you expect to observe in such a mutant?

#Question id: 5424

#SCPH28 | Zoology

Imagine that height in corn plants is determined by three loci. The baseline height is 100 cm. Every + allele adds 10cm to the plant’s potential height, every – allele subtracts 10 cm from the plant’s potential height. The shortest possible plant and the tallest possible plant are mated to form an F1, what is the height of the F1?

#Question id: 3472

#SCPH06 I Botany

Which of the following is incorrect statement?

#Question id: 3047

#SCPH06 I Botany

A rapidly growing bacterial species such as E. coli exhibits a typical phase of growth cycle in liquid nutrient broth. If a bacterial culture has starting density 1000 cells/ml in log phase and after four hours cell density is 4000 cells/ml.  What is specific growth rate per hour? 

#Question id: 4910

#SCPH06 I Botany

For a trait known to be caused by a mitochondrial gene variant, there may be an occasional female that can transmit different phenotypes to her progeny on an apparently random basis. What situation might you suspect?

#Question id: 837

#SCPH05 I Biotechnology

Increasing order of free energy in unfolded to folded conformation of the proteins, the correct order is,