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CAIE A-Level Biology A2 19.1.11 Sequence and Protein Databases Questions

Use real exam evidence to explain large biological databases, compare known and sample sequences, and predict protein structures or functions for diagnosis and treatment.

Syllabus
2028–2030
Course
Biology 9700
Level
A2

Exam points

  • Explain how databases and bioinformatics store, share, search and rapidly analyse large nucleotide, genome, amino-acid or protein datasets.
  • Use known nucleotide sequences and sequence comparison to select primers, identify genes or mutant alleles and diagnose or verify biological samples.
  • Use sequence databases and computational prediction of primary or three-dimensional protein structure to infer function and identify treatment or drug targets.

CAIE A-Level Biology A2 19.1.11 Sequence and Protein Databases Questions question 1

[Maximum number: 3]

Information about amino acid and nucleotide sequences is stored in computer databases.

Outline the advantages of using databases of nucleotide sequences to investigate evolutionary relationships between species.

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