At one time, scientists proposed a principle called the central dogma. This principle stated that in the body, a chemical substance called DNA contains information. This information passes from DNA to RNA, but not from RNA to DNA. Then in 1970, scientists proved that some types of RNA can transfer information to DNA. What can you conclude from this information?
a
Scientists have made many life-saving discoveries.
b
Scientists work together to advance scientific knowledge.
c
Scientists often respond to what they see as needs in society.
d
Scientists may find new information that causes them to modify their ideas.
Answers: 2
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When explaining dominant and recessive traits to a younger family member, they respond, "well chances are i can probably taste ptc, since dominant traits are more common." how might you address this misconception?
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Sexual reproduction in the parent cell will result in offspring with a) identical genetic information. b) half the genetic information. c) double the genetic information. d) four times the genetic information.
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The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.
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Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.
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