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Dna Structure (biology Only) (GCSE Biology)
The following is a GCSE Biology test covering 'Dna Structure (biology Only)' from the broader topic Inheritance, Variation And Evolution. The test is geared towards the AQA exam board style syllabus.Incorrect: 0
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Which molecule is directly complementary to a DNA strand with the base sequence ATCG?
What term describes a stretch of DNA that codes for a single protein?
What is the role of helicase in DNA replication?
In humans, DNA is packaged into structures called chromosomes. Where in the cell are chromosomes normally found?
Which two components form the backbone of a DNA strand?
How does a frameshift mutation affect a protein-coding gene?
Which statement correctly describes the difference between DNA and RNA?
Which change to DNA is most likely to alter the sequence of amino acids produced from a gene?
During DNA replication, which enzyme is mainly responsible for adding new nucleotides to a growing strand?
Which of the following describes the basic building block of DNA?
DNA strands are described as antiparallel. What does this mean?
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