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#Question id: 5617


In sea urchins and mammals, the rise in Ca2+ concentration responsible for the cortical granule reaction is due to

#SCPH01 Biochemistry
  1. an influx of calcium into the egg

  2. Ca2+ comes from within the egg itself (from intracellular storage)

  3. an influx and efflux of calcium ion

  4. Ca2+ comes from egg jelly


Answer:- Option(s): 2


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#Question id: 3464

#SCPH06 I Botany

Adult male humans generally have deeper voices than do adult female humans, which is the direct result of higher levels of testosterone causing growth of the larynx. If the fossil records ofapes and humans alike show a trend toward decreasing larynx size in adult females and increasing larynx size in adult males, then

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#Question id: 1706

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

Which of the following statements is the best example of a primary lymphoid organ?

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#Question id: 11106

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

The respiratory conducting passageways perform all of the following functions EXCEPT:

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#Question id: 9255

#SCPH28 | Zoology

Studying species transplants is a way that ecologists ________.

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#Question id: 38

#SCPH05 I Biotechnology

Which of the following is capable of existing as a pair of enantiomers?

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