It takes 10 s and 15 s respectively, foe two snakes travelling at different constant speeds to completely pass a small pebble. The length of the first snake is 120 cm and that of the second snake is 150 cm. the magnitude of the difference in the speeds of the two Snakes (in cm/s) is;

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#Question id: 5038

#Unit 5. Developmental Biology

The folding of sheets of cells, the migration of cells, and cell death are all mechanisms of

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#Question id: 2660

#Unit 2. Cellular Organization

In the lactose operon, the molecule that causes the repressor to fall off the promoter is which of the following?

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#Question id: 4977

#Unit 11. Evolution and Behavior

There are at least a dozen known species in the extinct genus Lystrosaurus. If each species was suited to a quite different environment, then this relatively large number of species is likely due to

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#Question id: 11342

#Unit 2. Cellular Organization

What happens to K⁺ transport by valinomycin when the membrane is cooled below its transition temperature?

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#Question id: 31085

#Unit 4. Cell Communication and Cell Signaling

IP3/DAG signaling is terminated when: