The genetic code and mRNA

The genetic code and mRNA Quiz

Spec 3.4.1–2 · AQA A-Level Biology: Quiz

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5 questions, one answer each

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  1. 1. How many bases code for a chain of 40 amino acids (not counting a stop codon)?

    • A. 40
    • B. 80
    • C. 120
    • D. 160

  2. 2. Which feature of the genetic code means that a bacterium can read a human gene?

    • A. Degenerate
    • B. Universal
    • C. Non-overlapping
    • D. Doublet

  3. 3. The codons UUU and UUC both code for phenylalanine. This shows the code is:

    • A. Universal
    • B. Non-overlapping
    • C. Degenerate
    • D. Overlapping

  4. 4. Which anticodon pairs with the mRNA codon GCU?

    • A. CGA
    • B. CGU
    • C. GCT
    • D. UGC

  5. 5. Which describes the proteome?

    • A. All the genes in a cell
    • B. The full range of proteins a cell can produce
    • C. The number of chromosomes
    • D. The set of all mRNA codons

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