Q1 an individual with condition of myasthenia gravis is, Ask an Expert

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Q1. An individual with condition of myasthenia gravis is faced with an autoimmune disorder in which the body defences attack acteylcholine receptors on muscle cells. What will be the expected effect on calcium levels near contractile proteins, follow arrival of an electrical impulse at those neuromuscular junctions?

Q2. Examine the major stages of sea urchin development with reference to your series of detailed drawings and observational notes. How did the embryonic cells compare in size with the original gamete cells? State reasons such a difference may exist.

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Category:- Biology
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