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Ecosystems main functions are physical, chemical and biological processes. Which is required for if maintenance of ecosystem. Some important function-
1. Production of biomass by producers with the help of photosynthesis process.
2. Decomposition of complex organic material by decomposers into inorganic raw materials like CO2 , H2o and various nutrients.
3. The cycling of various nutrients like C,O,N,P,S through biogeochemical cycles.
4. The transfer of energy from one trophic level (eg. producers) t the next trophic level (eg. consumers) through food chain.
Androgenic haploids Androgenic haploids of some species, such as wheat, mustard and tobacco, can also be raised through isolated microspore pollen culture (Pollen cultures). I
Nucleic Acids Friedrich Miescher (1868) discovered the presence of these compound in protoplasm ,but Altman (1889) introduced the term Nucleic acid. These acids are the lar
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
Cystic fibrosis (CF) is caused by a variety of mutations in the CFTR gene. Imagine you have identified a new single-base pair mutation (A→T) in an exon of the CFTR gene. You wish t
Which of the following is true in a skeletal muscle? A. Movement of the cross-bridge occurs only when the myosin head is detached from the actin molecule. B. The binding of
Define Disadvantages of using Bacteria as a source of protein? Disadvantages of using Bacteria as a source of protein are as follow: a) If the bacterial strain is very small
Define Methods for determining pH? There are two general methods for determining pH of a solution. One is the colorimetric method and the other most common method is the use of
Saturated fatty acids General formula of saturated fatty acids is CH3 (CHI), COOH. It has a polar end with a free XOOH group and a non-polar end with a hydrocarbon chain, as
Submerged Stage - Hydrarch This habitat which is now shallower and is richer in nutrients and where light is available up to a certain depth, becomes suitable for the growth o
Define Vitamins B 12 Deficiency in Vegans? Because plants do not synthesize vitamin B 12 , individuals who consume diets completely free of animal products (vegan diets) are a
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