A bacterial histidine mutant was plated on minimal medium and a single colony grew. You decide to sequence the histidine biosynthetic gene of the revertant and discover that the original mutation is still present.  This colony must have been able grow due to a

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#Question id: 8703

#SCPH05 I Biotechnology

In a comparison of birds and mammals, having four limbs is ________.

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#Question id: 1273

#SCPH05 I Biotechnology

Proteoglycans are a group of cell-surface and extracellular-matrix substances that

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#Question id: 15929

#SCPH05 I Biotechnology

 Which of the following is NOT the part of growth medium for animal culture?

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#Question id: 5554

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

Even in the absence of sperm, metabolic activity in an egg can be artificially activated by ________.

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#Question id: 16316

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

Psychology stress: