The synthesis of new DNA requires the prior existence of oligonucleotides to serve as primers. On Earth, these primers are small RNA molecules. This latter observation is evidence in support of the hypothesized existence of

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#Question id: 15580

#SCPH05 I Biotechnology

The unit of volumetric oxygen transfer coefficient (KLa) is

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#Question id: 10942

#SCPH28 | Zoology

A 45-year-old man presents to the emergency room with a 2-week history of diarrhea that has gotten progressively worse over the last several days. He has minimal urine output and is admitted to the hospital for dehydration. His stool specimen is positive for parasitic eggs. Which type of WBCs would have an elevated number?

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#Question id: 14163

#SCPH05 I Biotechnology

A stream of growth medium containing 60% glucose and 40% growth factor A flowing at 500 kg per hour was divided into two feed streams for different cell cultures. One fourth of the growth medium was sent to fermenter 1 and the rest was sent to fermenter 2. What is the flow rates of glucose and growth factor A in the feed streams for the two fermenters

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#Question id: 79

#SCPH01 Biochemistry

The structure of D-arabinose is shown below. How many stereoisomers are possible for this molecule?

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#Question id: 18607

#SCPH01 Biochemistry

The PCR consists of three defined sets of times and temperatures, termed steps

a) Denaturation at 94°C, for 0.5 min

b) Primer annealing at 55°C for 1.5 min

c) Extension at 72°C for 1 min

d) only denaturation and extension