Aqa biology as level - Study guides, Class notes & Summaries

2023 AQA A-level BIOLOGY 7402/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED] Candidate number I declare this is my own work. A-level BIOLOGY Paper 1 Wednesday 7 June 2023 Afternoon Time allowed: 2 hours 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 answ...

2024 AQA AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark scheme (Merged) June 2023 VERIFIED / Biology AQA AS level 7401/1 Paper 1 Describe the induced-fit model of enzyme action - ANSWER-- active site not complementary to/does not fit substrate - Shape of active site changes as enzyme- substrate complex forms - Distorting bonds (in substrate leading to reaction) • The human cell then makes a complementary strand to the HIV DNA. The complementary strand is made in the same way as a ne...

AQA BIOLOGY AS LEVEL JUNE PAPER 2

AQA BIOLOGY AS LEVEL JUNE PAPER 2

AQA BIOLOGY AS LEVEL JUNE PAPER 2 MARKSCHEME

AQA BIOLOGY AS LEVEL JUNE PAPER 1

AQA BIOLOGY AS LEVEL JUNE PAPER 2 MARKSCHEME

AQA BIOLOGY AS LEVEL JUNE PAPER 1 MARKSCHEME

AQA BIOLOGY AS LEVEL JUNE 2022 7401 PAPER 2 Mark Scheme