In seed germination or seed culture process growth regulators are usually not necessary because, of

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#Question id: 11125

#7. System Physiology – Animal

In chemical synapses that involve a so-called second messenger, typically a G-protein linked to the postsynaptic receptor is activated when neurotransmitter binds to that receptor. Which of the following represents an activity performed by the activated second messenger?

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#Question id: 24162

#Aptitude

Black-and-white camera film, in the old days of film photography, was very sensitive to blue light but not to red light. Blue skies would often show very little detail, because the film couldn’t record all that it was seeing. To compensate, photographers would put a red filter on the lens, darkening the sky enough that the film could record its fluffy clouds.

This paragraph best supports the statement that

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#Question id: 4963

#11. Evolution and Behavior

Which free-living cells were the earliest contributors to the formation of Earthʹs oxidizing atmosphere?

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#Question id: 23644

#Aptitude

There are some cows, bulls and 45 hens in a group. One care taker looks after 15 animals. The number of bulls is twice the number of cows. If the number of head is less than the total number of feet by 186(including the care taker), how many care takers are there?

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#Question id: 11146

#7. System Physiology – Animal

If you experimentally increase the concentration of Na+ outside a cell while maintaining other ion concentrations as they were, what would happen to the cell's membrane potential?