The beginning of animal tissue culture can be traced when Arnold showed that 

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#Question id: 13177

#Unit 10. Ecological Principles

Deserts typically occur in a band at 30 degrees north and south latitude because

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#Question id: 344

#Unit 1. Molecules and their Interaction Relevant to Biology

The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called?

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#Question id: 5065

#Unit 5. Developmental Biology

Binding to the phosphorylated RTK through one of the RTK’s cytoplasmic domains, the adaptor protein also activates Ras. The activated receptor stimulates the adaptor protein to activate the:

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#Question id: 23634

#General Aptitude

When an error of 1% is made in the length and breadth of a rectangle, the percentage error (%) in the area of a rectangle will be

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#Question id: 11065

#Unit 7. System Physiology – Animal

A liquid-ventilated lung compared to a gas-ventilated lung