Two trains are running on parallel lines in the same direction at speeds of 60 km/h and 35 km/h respectively. The faster train crosses a man in the slower train in 54 second. If the length of the slower train is 4/5th of the faster train, find the length of the slower train.

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#Question id: 2244

#Unit 2. Cellular Organization

Arrange the statements below in the proper sequence of events that occur in an action potential:

I. The resting potential is re-established.

II. A stimulus depolarizes the membrane to threshold.

III. Na+ gates open and Na+ rushes into the cell.

IV. K+ gates open and K+ rushes out of the cell.

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#Question id: 19528

#Unit 12. Applied Biology

There are different cry proteins which show insecticidal activity. Cry III and cry IV are active against 

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#Question id: 27921

#Unit 11. Evolution and Behavior

Who hypothesized that different organisms originated separately by spontaneous generation from nonliving matter ?

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#Question id: 27116

#Unit 4. Cell Communication and Cell Signaling

Identify the character that is lost by an animal cell when it gets transformed into a cancer cell.

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#Question id: 18671

#Unit 13. Methods in Biology

larger fragments of DNA can be analysed by Agarose gel while shorter fragment 80 – 1000 nt can be analysed by using