Practice Questions

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#Question id: 6989

Adult human bone:

#SCPH01 Biochemistry

grows only at the extreme ends (epiphysis)
grows only in the center (diaphysis)
grows only at the growth plates between the epiphysis and the diaphysis
grows throughout its length

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#Question id: 3885

#SCPH06 I Botany

AZT (3'-azido-2',3'-dideoxythymidine), used to treat HIV infection, acts in HIV-infected cells by:

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#Question id: 8902

#SCPH28 | Zoology

What do craniates have that earlier chordates did not have?

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#Question id: 12912

#I Life Science/ Life Sciences Group – I-V

Name the enzyme which separates the double-helical DNA into single strands.

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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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#Question id: 10786

#SCPH05 I Biotechnology

Alkaloids are usually synthesized from one of a few common amino acids such as___