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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 of the following best defines an allele?
In humans, DNA is packaged into structures called chromosomes. Where in the cell are chromosomes normally found?
Which statement correctly describes the difference between DNA and RNA?
Which two components form the backbone of a DNA strand?
Which molecule is directly complementary to a DNA strand with the base sequence ATCG?
Which of the following is an effect a mutation in a gene might have?
What is the relationship between a gene and a chromosome?
Which nitrogenous base is found in DNA but not in RNA?
How does a frameshift mutation affect a protein-coding gene?
How many hydrogen bonds normally form between a cytosine and a guanine base pair?
During DNA replication, which enzyme is mainly responsible for adding new nucleotides to a growing strand?
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