Which of the following statements is false?  In vitro, the strand-exchange reaction:

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#Question id: 1733

#SCPH01 Biochemistry

The early increase in phospholipase Cγ1 activity following T-cell stimulation:

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#Question id: 1563

#SCPH01 Biochemistry

A nonfunctional CD4 protein on a helper T cell would result in the helper T cell being unable to ________.

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#Question id: 18684

#SCPH01 Biochemistry

Amplified product of PCR can be calculated by using

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#Question id: 1307

#SCPH28 | Zoology

A defect in which of the following intercellular junctions would allow partially digested material to leak passively between the cells of the small intestine into the abdominal cavity?

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#Question id: 14257

#SCPH05 I Biotechnology

The kLa of a small bubble column (2 l) has been measured as 20 h-1 at an airflow of 4 l/m in. If the rate of oxygen uptake by a culture of Catharanthus roseus is 0.2 mmol O2/g dry weight-h and if the critical oxygen concentration must be above 10% of saturation (about 8 mg/l), what is the maximum concentration of cells that can be maintained in the reactor?