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DNA and Genetic Material module quiz: structure, replication, gene expression, vectors and extraction (SEAB O-Level Applied Subject) quiz

14questions. Pick an answer and you'll see why right away.

  1. In DNA, which base pairs with adenine (A)?

  2. What are the three parts of a single DNA nucleotide?

  3. The overall shape of a DNA molecule is best described as a:

  4. What is the complementary strand for the sequence GATTCA?

  5. Why is DNA replication described as semi-conservative?

  6. During replication, what is the role of each original strand?

  7. What is a gene?

  8. In which order does a gene's instructions become a protein?

  9. During translation, the mRNA is read in groups of three bases called:

  10. What is a plasmid?

  11. Which property makes a plasmid useful as a vector for carrying a gene into bacteria?

  12. In DNA extraction, why is detergent added to the broken-up cells?

  13. In DNA extraction, why is cold alcohol added at the end?

  14. Why does the same gene, when moved into bacteria, cause the bacteria to make the same protein?