Polyadenylation is the addition of a poly(A) tail to a messenger RNA<span>. The poly(A) tail consists of ... RNAs are produced (transcribed) from a DNA </span>template<span>. ... </span>Polyadenylate polymerase<span> builds the poly(A) tail by adding adenosine monophosphate</span>
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1) they allow for multiple reactions in the cell at once for example the mitochondria producing ATP for respiration and The Rough endoplasmic reticulum and ribosomes for protein synthesis
The blubber fat layer and white fur helps the polar bears to maintain internal homeostasis in cold weather.
Answer:
B. When limiting factors and interactions of organisms create balance within a community.
