02: 44: 38
an object is moving east, and its velocity changes from 65 m/s to 25 m/s in 10 seconds. which describes the acceleration?
4 m/s in negative acceleration
4 m/s2 in positive acceleration
9 m/s2 in positive acceleration
9 m/s in negative acceleration
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Which best explains how this maneuver unblock a person's airway?

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.

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