Why do researchers use rRNA in investigations of relationships between taxa that diverged hundreds of millions of years ago? See Concept 26.4 (Page 564) View Available Hint(s) Why do researchers use rRNA in investigations of relationships between taxa that diverged hundreds of millions of years ago? See Concept 26.4 (Page 564) rRNA is traditionally the nucleic acid chosen for recent comparisons. rRNA cannot mutate. rRNA is never the nucleic acid chosen for comparisons. rRNA changes at different rates in different taxa. DNA coding for rRNA changes relatively slowly
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Biology, 21.06.2019 23:30
Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.
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Biology, 22.06.2019 00:10
Body systems are not completely independent they integrate and work together describe one example of the integration between body systems
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Biology, 22.06.2019 07:30
Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box
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