Biology > GCSE QUESTION PAPER > AQA GCSE BIOLOGY 8461/2H Higher Tier Paper 2H. JUNE 2021. Question Paper (All)

AQA GCSE BIOLOGY 8461/2H Higher Tier Paper 2H. JUNE 2021. Question Paper

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AQA GCSE BIOLOGY 8461/2H Higher Tier Paper 2H. JUNE 2021. Question Paper The nucleus of a cell contains DNA. 0 1 . 1 Name the structures inside the cell nucleus that contain DNA. [1 mark] Figure 1 ... shows part of a DNA molecule. Figure 1 0 1 . 2 Name the part of the DNA molecule labelled X. [1 mark] 0 1 . 3 What type of substances are labelled A, C, G and T in Figure 1? [1 mark] Do not write outside the box3 *03* Turn over ► IB/M/Jun21/8461/2H Do not write outside the Figure 2 shows another section of a DNA molecule. box Figure 2 Four of the substances you named in Question 01.3 are not labelled in part Y of Figure 2. Label each of these substances with the correct letter, A, C, G or T. Use information from other parts of Figure 2 to help you. [1 mark] 0 1 . 4 0 1 . 5 What is happening to the DNA in part Z of Figure 2? [1 mark] Tick () one box. Differentiation Evolution Fertilisation Replication4 *04* IB/M/Jun21/8461/2H Do not write outside the box 8 0 1 . 6 A gene is a length of DNA. What type of substance does a gene code for? [1 mark] 0 1 . 7 Most human body cells contain 6 × 10–12 grams of DNA. What mass of DNA will a human sperm cell contain? [1 mark] Tick () one box. 6 × 10–6 grams 6 × 10–12 grams 3 × 10–6 grams 3 × 10–12 grams 0 1 . 8 What is the name of the type of cell division that produces sperm cells? [1 mark] Tick () one box. Binary fission Differentiation Meiosis Mitosis [Show More]

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