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AS BIOLOGY Paper 1 May 2024 Morning Time allowed: 1 hour 30 minutes Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank pages. • If you need extra space for your answer(s), use t...

AQA AS BIOLOGY Paper 1 7401/1 QP Biology AS 13May24

AQA AS BIOLOGY Paper 1 7401-1-QP-Biology-AS-13May24

AQA AS BIOLOGY Paper 1 7401-1-QP-Biology-AS-13May24

AQA AS BIOLOGY Paper 1 7401-1-QP-Biology-AS-13May24

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Table 1 shows features of a bacterium and the human immunodeficiency virus (HIV) particle. Complete Table 1 by putting a tick () where a feature is present. [2 marks] Table 1 Feature Bacterium Human immunodeficiency virus (HIV) particle RNA Cell wall Enzyme molecules Capsid 0 1 . 2 When HIV infects a human cell, the following events occur. • A single-stranded length of HIV DNA is made. • The human cell then makes a complementary strand to the HIV DNA. The complementa...