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The first step in conjugation, in bacteria is achieved by complementary surface molecules, the male component of which is formed by

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In case of Zygomycetes, a small, terminal multinucleate cell, the gametangium is cut off by a septum at the tip of each progametangium, the remainder of which is called The longest cells of human body is Match List-I with List-II and select the correct answer: List-I List-II a. Short-day plant 1. Nicotiana tabacum b. Long-day plant 2. Beta vulgaris c. Day-neutral plant 3. Pisum sativum Density gradient centrifugation separates the materials on the basis of__________? Hyperplasia means