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Sunlight is absorbed by chlorophyll molecules. Chlorophyll is a porphyrin in that nitrogen atoms are coordinated to a magnesium ion instance for it is a magnesium porphyrin. This dissimilarity with a hemi in that the nitrogen atoms are synchronized to an iron atom to built an iron porphyrin. Green plants hold two parts of chlorophyll molecules, chlorophyll a and chlorophyll b, which vary slightly in structure and in the wavelength of light they can absorb. Whereas light is trapped by chlorophyll molecules straightly, several accessory pigments also exist which absorb light and pass the excitation energy on to chlorophyll molecules. Thus the carotenoids are significant accessory pigments in green plants whilst phycobilins are accessory pigments in photosynthetic bacteria. This pigment absorbs light at wavelengths dissimilar from in which of chlorophyll and so act together to maximize the light harvested.
What are pentoses? To what organic group do pentoses belong? Are nucleotides formed of only one type of pentose? Pentoses are carbohydrates made of five carbons. Deoxyribose is
Define Tests to Measure Muscular Strength and Endurance? It is important to first understand the difference between muscular strength and endurance. To know the muscular streng
Remove the crown for reuse - If the decision is made to remove the crown for reuse - The visibility is increased - Allowing for much easier removal of canal obstructions -
Q. Which are the organs that are part of the musculoskeletal system? The key tissues and organs that are part of the musculoskeletal system in humans are the cartilages, the mu
what does the sperm cell fuses with?
At the end of the ventricular contraction, maximum arterial pressure is attained and blood flow is most rapid. This is correctly termed the: a) Arterial maximum b) Diastolic
The second category of isolating mechanism that may permit interspecific mating but ensures reduced viability is called post-mating isolating mechanism. This category could be subd
Explain the Food Security? You were introduced to the concept of food security in Unit 2. Food security, we learnt, is access by all people at all times to enough food for an a
Design a controlled experiment to test the hypothesis that acid precipitate inhibits the growth of elodea, a common freshwater plant.
Explain HACCP System HACCP System : The result of the implementation of the HACCP Plan.
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