DNA & RNA
Quiz by Ashley
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50 questions
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- Q1Avery’s experiments showed that bacteria are transformed by...RNA.proteins.DNA.carbohydrates.30s
- Q2What did Griffith observe when he injected a mixture of heat-killed, disease-causing bacteria and live harmless bacteria into mice?The harmless bacteria died.The mice developed pneumonia.The disease-causing bacteria changed into harmless bacteria.The mice were unaffected.30s
- Q3What would Hershey and Chase have concluded if both radioactive 32P and 35S were found in the bacteria in their experiment?The virus’s protein coat was not injected into the bacteria.The virus’s DNA was not injected into the bacteria.Genes are made of protein.Both the virus’s protein coat and its DNA were injected into the bacteria.30s
- Q4The figure above shows the structure of a(an)DNA molecule.amino acid.protein.RNA molecule.30s
- Q5Which of the following is a nucleotide found in DNA?deoxyribose + phosphate group + uracildeoxyribose + phosphate group + cytosineribose + phosphate group + uracilribose + phosphate group + thymine30s
- Q6Because of base pairing in DNA, the percentage ofcytosine molecules in DNA is much greater than the percentage of guanine molecules.pyrimidines in DNA is about equal to the percentage of purines.purines in DNA is much greater than the percentage of pyrimidines.30s
- Q7In eukaryotes, DNAis located in the nucleus.is circular.is located in the ribosomes.floats freely in the cytoplasm.30s
- Q8Which of the following include all the others?DNA moleculeschromosomesnucleosomeshistones30s
- Q9DNA is copied during a process calledtransformation.translation.replication.transcription.30s
- Q10DNA replication results in two DNA molecules,each with two new strands.one with two new strands and the other with two original strands.each with one new strand and one original strand.each with two original strands.30s
- Q11RNA contains the sugarlactose.glucose.ribose.deoxyribose.30s
- Q12Unlike DNA, RNA containsthymine.adenine.uracil.phosphate groups.30s
- Q13Which of the following are found in both DNA and RNA?phosphate groups, guanine, and thymineribose, phosphate groups, and adeninephosphate groups, guanine, and cytosinedeoxyribose, phosphate groups, and guanine30s
- Q14What is produced during transcription?DNA moleculesProteinsRNA polymeraseRNA molecules30s
- Q15During transcription, an RNA molecule is formedinside the nucleus.that is identical to part of a single strand of DNA.that is complementary to both strands of DNA.that is double-stranded.30s