024 aqa as biology - Study guides, Class notes & Summaries

Official June 2024 AQA AS BIOLOGY 7401/2 Paper 2 Merged Question Paper + Mark Scheme

Official June 2024 AQA AS BIOLOGY 7401/1 Paper 1 Merged Question Paper + Mark Scheme

2024 AQA AS BIOLOGY 7401/1 Paper 1 Question Paper & Mark Scheme (Merged) June 2024 [VERIFIED]

2024 aqa as biology 7401/2 paper 2 with 350 questions and correct detailed answers (verified answers) |already graded a+|| brand new!! What are the three ways a pathogen can damage hosts cells?- ANSWER-1) rupturing them to release nutrients inside them 2) breaking down nutrients inside the cell for their own use. This starves and eventually kills the cell. 3) replicating inside the cells and bursting them when they're released Explain the primary, secondary, tertiary and quaternary s...

2024 aqa as biology 7401/2 paper 2 with 350 questions and correct detailed answers (verified answers) |already graded a+|| brand new!! What are the advantages of multi-cellular organisms?- ANSWER--able to move -able to hunt(likely to he in top if food chain) -able to adapt to environment -specialised body reigons -able to find a mate What are the disadvantages of multi-cellular organisms?- ANSWER-As they get bigger diffusion is less efficient and specialised exchange surfaces are nee...

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 ...

2024 AQA AS BIOLOGY PAPER 1 EXAM QUESTIONS WITH CORRECT ANSWERS

2024 AQA AS BIOLOGY 7401/2 Paper 2 QUESTION PAPER AND MARKING SCHEME (MERGED)

2024 aqa as biology paper 2 2022 / 2023 AQA AS BIOLOGY 2 Paper 2 Question Paper & Mark scheme 2024 update what is pre mrna - ANSWER-pre mrna only produced in eukaryote cell. splicing only occurs in eukaryote cell. what is pna - ANSWER-pna is complementary to dna,reducing rna polymerase activity. What is tRNA? - ANSWER-provides amino acid joins to trna. What is a isomer? - ANSWER-isomer what term is used to describe the different structures of a glucose and b glucose? [1mark] - ANSWER-hydro...

2024 AQA AS BIOLOGY CELL STRUCTURE EXAM QUESTIONS WITH CORRECT ANSWERS