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Explain Light in cell Metabolism?
Energy for almost all organisms on earth is derived directly or indirectly from light energy produced by the sun. Sunlight consists of energy packets called photons that travel in waves of various lengths.
Wavelength refers to the distance between the peak of one wave to the peak of the next wave. We see light as different colors depending upon the wavelength of the light our eyes receive. Light containing visible light of all wavelengths appears white. The shorter the wavelength of light, the more energy it has. The energetic ultraviolet rays are shorter than 400 nm; infrared rays are longer than 700 nm.
White light contains all of the wavelengths of light. When white light strikes an object, substances called pigments absorb certain wavelengths and reflect others. Objects appear the color of the reflected light. So, if an object appears to our eyes as red, the pigment in the object is absorbing all of the other colors (wavelengths) except red, and only red wavelengths are reflected to our eyes!
A graph of absorption measured against wavelength for a given pigment is called an absorption spectrum. An action spectrum is a graph of photosynthesis rates for different wavelengths of incident light for a given pigment.
Define Classification of functions of minerals? The varied functions of minerals can be grouped under four general physiologic roles viz. Structural: They form an integ
OTHE R GLANDS - (i) Mammary glands - Study of mammary gland is mastology. Modified sweat gland. 4-5 pairs in rabbit. 1 pair in human. In opposum 25 pairs (max.).
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What proportion of children with Down syndrome do you expect when women with down syndrome have children with men who have 46 chromosomes? Justify answer
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Define Food Science as a Discipline and Modern Developments? As an undergraduate student you may have taken a course in food science and technology. Do you recall, what did the
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what are the characteristics of cleavage formed in coelenterates?
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