Upper epidermis. The cuticle on upper epidrrmal layer prevents excessive water loss
These preparations are called Vaccines. A vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing micro-organism and is often made from weakened or killed forms of the microbe, its toxins or one of its surface proteins.
Answer:Objective questions
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Answer:
Prokareotes have no neucles so false
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