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Why do leaves change color?
Leave is the food factories of plants. During the spring and summer, leaves are actively making food and they are filled with chlorophyll, which gives green color.
As summer, ends and the days get shorter and cooler, food production stops and the leaves stop producing food. The chlorophyll disappears and they start to change into the yellows, oranges, and reds that we see in autumn.
Ordinary osmosis cannot be used to purify water. If the applied pressure exceeds osmotic pressure then water starts moving from solution side to pure solvent side. This is reverse
Q. What do you mean by Transition Period? The transition period from the Renaissance to the Modern period produced many notable workers and much literature. Botanists gradually
CAUSES OF EXTINCTION - 1 . HUNTING - Man started hunting wild animlas for food and safety trade and fun. It may be subsistence hunting, commercial hunting and sp
phylogenetic consideration
What is the structure that maintains identical chromatids bound? Ans) The structure that handles identical chromatids bound is the centromere.
Explain the Evaluation of the Perimplant Marginal Tissues This is to be followed by Evaluation of the Perimplant Marginal Tissues: This includes the following parameters: 1)
In this 1st step, the corresponding aminoacyl-tRNA for the second codon binds to the A site by codon-anticodon interaction. Binding of the aminoacyl-tRNA needs elon
What is the basic structure of a virus? Viruses are constituted of genetic material (DNA or RNA) covered by a protein capsule also called as a capsid. Some viruses, like HIV, h
Q. Distinguish among the terms stimulus, sensation, and perception? A stimulus is an energy source (chemical, light wave, pressure etc.) which activates a receptor cell (specia
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