Which cell generated on the receipt of SCF/c-Kit signaling lose the capacity for extensive self-renewal, but retain the potential to differentiate into several different hematopoietic lineages and also transiently express the molecule CD34?

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#Question id: 20250

#XL - P Chemistry

What is the work done against the atmosphere when 25 grams of water vaporizes at 373 K against a constant external pressure of 1 atm ? Assume that steam obeys perfect gas laws. Given that the molar enthalpy of vaporization is 9.72 kcal/mole, what is the change of internal energy in the above process ?

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#Question id: 763

#XL - Q Biochemistry

Which of the following could be an effect of miRNA regulation?

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#Question id: 10275

#XL - Q Biochemistry

In the initial phase of glycolysis, each hexose unit is phosphorylated twice and then split, producing two molecules of triose phosphate, in these reactions included irreversible reaction. How much irreversible reaction is performed in the glycolytic pathway through in this series of reactions?

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#Question id: 4952

#XL - T Zoology

Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?

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#Question id: 3038

#XL - S Microbiology

If a culture starts with 50 cells, how many cells will be present after five generations with no cell death?