In normal kidneys, which of the following is true of the osmolarity of renal tubular fluid that flows through the early distal tubule in the region of the macula densa?

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#Question id: 14741

#SCPH05 I Biotechnology

Microbial cell recovery is carried out in a continuous disc-stack centrifuge. The centrifuge is operated at 5000 rpm for separation of baker's yeast. At a feed rate of 60 1/min, 50% of the cells are recovered. At constant speed, solid recovery is inversely proportional to flow rate. What operating speed is required to recover 90% of cells if the flow rate in the centrifuge is maintained at 601/min? 

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#Question id: 962

#SCPH06 I Botany

The carbon in urea originates from ________.

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#Question id: 19339

#SCPH01 Biochemistry

The troponins and myoglobins are type of biomarkers of ______ disease?

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#Question id: 1423

#SCPH05 I Biotechnology

Which of the following is a characteristic of malignant tumors?

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#Question id: 295

#SCPH05 I Biotechnology

Which of the following pairs of amino acids could form a covalent disulfide bond to link two polypeptides together in a multi-subunit protein complex