Failure of which cell-cycle checkpoint is most likely to result in non-dysjunction?

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#Question id: 6963

#Unit 5. Developmental Biology

During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?

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#Question id: 77

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the pairs of molecular structures shown depict enantiomers (enantiomeric forms) of the same molecule?

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#Question id: 370

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements is true about buffer solutions?

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#Question id: 11239

#Unit 9. Diversity of Life Forms

Which of the following is composed almost entirely of peptidoglycan?

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#Question id: 15972

#Unit 12. Applied Biology

At which stage of embryonic development will the immature embryo isolate from the seed and start developing?