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Questions and Answers
Organic nitrogen is more readily taken up by plants than inorganic nitrogen.
True
L-glutamine, L-asparagine, L-cystein, and L-glycine are commonly used amino acids that inhibit cell growth when added individually to the culture medium.
True
Complex organics are a group of defined supplements used in tissue culture.
False
Casein hydrolysate has been found useful for anther culture, but natural extracts are avoided due to their unknown and varying composition.
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Activated charcoal always promotes growth and differentiation in tissue culture.
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Activated charcoal absorbs organic compounds like plant growth regulators and vitamins, which can inhibit growth.
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Activated charcoal causes darkening of the medium, which helps with root formation and growth.
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