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Plants, animals, microbes, and all other living organisms make up the biotic aspects of wetlands. Amphibians (particularly in wetlands), reptiles, birds, insects, and mammals are examples of animals. Mangrove, water lilies, cattails, sedges, tamarack, black spruce, cypress, and gum plants are examples of plants.
Answer:
removal of introns, addition of 5' cap and 3' tail to mRNA.
Explanation:
The mRNA is processed before it leaves nucleus. The introns are removed and exons are remain in mRNA. This process is called splicing. The 5' end is attached with a cap and 3' is attached with a polyadenylated tail. Thus mRNA is processed with these process before it leaves the nucleus.
The correct answer is D. Bird flu.
Polio and smallpox are very rare today as they were eradicated hundreds of years ago and TB has been around for maybe thousands of years. Bird f!u was discovered in 1957.