Which statement is true about a relationship between DNA, a gene and a chromosome?
A gene is similar to DNA in structure but different in function,
O A gene is similar to DNA in function but different in structure.
A gene is made up of small segments of chromosomes.
O A gene is made up of a small segment of DNA.
Answers: 3
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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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Aragonite shells of clams, snails, or scleractinian corals may be preserved unaltered in cenozoic deposits, but they are generally dissolved or recrystallized in older deposits. true or false
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Answers: 3
Which statement is true about a relationship between DNA, a gene and a chromosome?
A gene is simila...
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