AQA AS Biology - Unit 2 - Chapter 8

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This is a short revision quiz for chapter 8 of the AQA AS Biology student book. It covers DNA and meiosis.

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AQA AS Biology - Unit 2 - Chapter 8

  1. 1. AS AQA Biology UNIT 2 Chapter 8 Revision Quiz DNA and Meiosis Total: ___ / 20 ___ %
  2. 2. 1. What are the three components of a nucleotide? (3) ………………………………………………………………....... ………………………………………………………………....... 2. What are the two double-ring bases? (2) ………………………………………………………………....... 3. Which one of these pairs with cytosine? (1) ………………………………………………………………....... 4. How many hydrogen bonds form between them? (1) ………………………………………………………………....... 5. What shape does the DNA form? (1) ………………………………………………………………....... 6. What is a gene? (2) ………………………………………………………………....... ………………………………………………………………....... 7. How many bases code for an amino acid? (1) ………………………………………………………………....... 8. How many different amino acids regularly occur in proteins? (1) ……………………………………………………………….......
  3. 3. 9. What is a ‘stop code’? (1) ………………………………………………………………....... 10. What do you call chromosomes that pair up? (1) ………………………………………………………………....... 11. What is an allele? (1) ………………………………………………………………....... 12. What is the main difference between mitosis and meiosis? (1) ………………………………………………………………....... ………………………………………………………………....... 13. What do you call a cell with a full set of chromosomes? (1) ………………………………………………………………....... 14. How many divisions are there in meiosis? (1) ………………………………………………………………....... 15. What is it called when chromatids exchange equivalent parts? (1) ………………………………………………………………....... 16. What is it called when one of the homologous pairs is chosen to go into the daughter cells at the 1st division of meiosis? (1) ……………………………………………………………….......

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