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Dna and rna are both nucleic acids made up of nucleotides. which is not a difference between dna and rna?
a. the sugar in rna is ribose,
b. only dna is double-stranded.
c. both dna and rna have a sugar-phosphate backbone.
d. rna contains adenine, thymine, cytosine, and guanine
Answers: 2
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Consider the classification levels of a human. eukarya ,animalia ,chordata ,mammalia ,primates, hominidae ,homo ,sapiens .which is the most specific taxonomic level in the classification system above? a sapiens b homo c hominidae d primates
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Which of the following particles always has a positive charge? a. electronb. neutron c. proton d. ion
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