Arrange these events from earliest to most recent.

1.  emission of lava in what is now Siberia at time of Permian extinctions

2.  emission of lava that solidified at the same time as iron-bearing terrestrial rocks began to rust

3.  emission of lava that solidified at the same time as rusted iron precipitated from seawater

4.  emission of lava in what is now India at time of Cretaceous extinctions

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#Question id: 4810

#Unit 8. Inheritance Biology

In a haploid organism, the C and D loci are 8 m.u. apart. From a cross C d X c D, which of the following proportion following progeny classes: (a) C D; (b) c d; (c) C d

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#Question id: 109

#Unit 1. Molecules and their Interaction Relevant to Biology

A deficiency in the synthesis of sphingomyelins or cerebrosides will most likely result in the improper formation of

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#Question id: 19684

#Unit 13. Methods in Biology

Which of the following is used to measure the electrical activity of the heart?

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#Question id: 1428

#Unit 4. Cell Communication and Cell Signaling

Which of the fundamental properties of cancer cells are likely to be lacking in leukemias?

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#Question id: 19332

#Unit 12. Applied Biology

Which one of the following transducers is a self-generating type transducer?