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#Question id: 3264


Which of the following is (are) true of natural selection?

#SCPH28 | Zoology
  1. requires genetic variation

  2. Results in descent with modification

  3. Involves differential reproductive success

  4. All of the above


Answer:- Option(s): 4


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#Question id: 363

#SCPH01 Biochemistry

What is the pH of a mixture of 0.042 M NaH2PO4 and 0.058 M Na2HPO4? If 1.0 mL of 10.0 M NaOH is added to a liter of the buffer prepared, how much will the pH change? (pKa = 6.86)

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