When a repressor protein is __ (bound, unbound) to a promoter region transcription is allowed; when an activator protein is __ (bound, unbound) to a promoter transcription is ,stimulated.

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#Question id: 2154

#SCPH28 | Zoology

Membrane lipids are distributed appropriately between the two leaflets of a given membrane by

a. dockases.    

b. trumpases.              

c. fatty acid desaturases.        

d. flippases.    

e. transmembrane tunnelases.

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#Question id: 18368

#SCPH28 | Zoology

The Phytoremediation system can be used for the treatment of 

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#Question id: 18377

#SCPH01 Biochemistry

Why xenobiotic compounds are considered ad recalciterants?

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#Question id: 5566

#SCPH01 Biochemistry

In some rare salamander species, all individuals are females. Reproduction relies on those females having access to sperm from males of another species. However, the resulting embryos receive no genetic contribution from the males. Why do you think sperm are necessary for reproduction?

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#Question id: 3636

#SCPH28 | Zoology

A man with type A blood group marries a woman with type A blood group. Their first child has type O blood. What is the genotype of the Man, proportion of his gametes are expected to contain the IA allele, and probability that their next child will have type A blood respectively: