Which of the following repressor work as both activate as well as repress transcription ?

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#Question id: 15116

#Unit 8. Inheritance Biology

In a rare blood type referred to as the Bombay phenotype, individuals are unable to attach the A or B antigens to their red blood cells. Individuals that are homozygous recessive for gene "H" have the Bombay phenotype and their blood type is type "O" regardless of their ABO genotype. This is an example of what extension of Mendelian inheritance?

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#Question id: 3334

#Unit 11. Evolution and Behavior

Red hair is a dominant trait in human. In a randomly mating population in Hardy-Weinberg equilibrium approximately 91% of individuals are red- haired. What is the frequency of the recessive allele?

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#Question id: 195

#Unit 1. Molecules and their Interaction Relevant to Biology

Vitamin C is a vitamin but not a coenzyme because it

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#Question id: 32237

#Unit 2. Cellular Organization

In which compartment does the KDEL receptor bind its ligands more tightly?

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#Question id: 2369

#Unit 2. Cellular Organization

Fermentation, an anaerobic process, produces 2 ATP per glucose molecule whereas aerobic respiration produces approximately _____ ATP.