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High School Biology: Molecular Genetics - From DNA to Proteins - DNA & RNA
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High School Biology: Molecular Genetics - From DNA to Proteins - DNA & RNA
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10 Questions

1. Which of the following statements about DNA are true? (1) The DNA double helix consists of two polynucleotide chains. (2) Each DNA nucleotide consists of a sugar, a phosphate group, and a nitrogen-containing base. (3) The DNA backbone is composed of the sugar and base of each nucleotide.
2. Which of the following statements about DNA replication are true? (1) DNA replication is the process in which DNA is copied. (2) DNA replication occurs during the synthesis phase of the eukaryotic cell cycle. (3) DNA replication begins when an enzyme breaks the hydrogen bonds between complementary bases in DNA. (4) The two new DNA molecules that result after DNA replication each contain one strand from the parent molecule and one new strand that is complementary to it.
3. Which of the following statements about DNA are true? (1) The DNA double helix consists of two polynucleotide chains. (2) Each DNA nucleotide consists of a sugar, a phosphate group, and a nitrogen-containing base. (3) The DNA backbone is composed of the sugar and base of each nucleotide.
4. The “copy” of genetic instructions which takes the instructions to the cytoplasm is the
5. Which of the following statements about DNA replication are true? (1) DNA replication is the process in which DNA is copied. (2) DNA replication occurs during the synthesis phase of the eukaryotic cell cycle. (3) DNA replication begins when an enzyme breaks the hydrogen bonds between complementary bases in DNA. (4) The two new DNA molecules that result after DNA replication each contain one strand from the parent molecule and one new strand that is complementary to it.
6. A double helix most closely resembles
7. Which of the following statements is correct?
8. Frederick Griffith showed that
9. Frederick Griffith showed that
10. Erwin Chargaff proved that

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