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#Question id: 5710
#SCPH28 | Zoology
This cytological analysis, chromosome (A) represents the normal condition and the centromere position. Assume that only one structural chromosome aberration occurs in the other chromosomes
TLS Online TPP Program
#Question id: 15637
#SCPH06 I Botany
You have isolated two mutations in the Lac operon that cause constitutive expression of Lac genes. You designate these mutants Lac1– and Lac2–. Making use of an F' that carries the Lac operon with the LacY gene mutated, you construct strains that you test for both ß-galactosidase activity and Lac permease activity with results shown below.
Classify each mutation as dominant or recessive and as cis- or trans-acting, giving the experimental result that allows you to arrive at each conclusion. Finally, deduce what type of Lac mutation best fits the properties of Lac 1– and of Lac 2–.
TLS Online TPP Program
#Question id: 18375
#I Life Science/ Life Sciences Group – I-V
What is the function of Siderophores secreted by bacteria
TLS Online TPP Program
#Question id: 8694
#SCPH28 | Zoology
Which of the following is (are) problematic when the goal is to construct phylogenies that accurately reflect evolutionary history?
TLS Online TPP Program
#Question id: 10569
#SCPH05 I Biotechnology
Plants that grow in saline environments, called