Aqa as biology Guías de estudio, Notas de estudios & Resúmenes

AQA BIOLOGY AS LEVEL JUNE PAPER 2

AQA AS BIOLOGY 7401/1 Paper 1 Version: 1.0 Final *JUN* IB/M/Jun23/E8 7401/1 For Examiner’s Use Question Mark 1 2 3 4 5 6 7 8 9 TOTAL Monday 15 May 2023 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 t...

AQA AS LEVEL BIOLOGY PAPER 2 MARK SCHEME JUNE 2023 (7401/2)

AQA BIOLOGY AS LEVEL JUNE PAPER 2

AS BIOLOGY 7401/2 Paper 2 Mark scheme June 2022

aqa AS BIOLOGY Paper 1 (7401/1) May 2023 Question Paper. 1. Describe the primary structure of all proteins. 2. This question is about the genetic code. Define universal, non-overlapping and degenerate. 3. Describe how the appearance of the area containing DNA in a TEM image of a eukaryotic cell would differ from that shown in Figure 1. 4. Describe one difference between the structure of DNA in a prokaryotic cell and in a eukaryotic cell. 5. Streptococcus bacteria can infect the lungs when air i...

2023 AQA AS BIOLOGY 7401/2 Paper 2 Question Paper & Mark scheme (Merged) June 2023 [VERIFIED]

2 Answer all questions in the spaces provided. 0 1 . 1 Which statement about the function of ribosomes is correct? Tick ( ) one box. [1 mark] Site of transcription, catalyse the joining of amino acids by hydrolysis reactions Site of transcription, catalyse the joining of nucleotides by condensation reactions Site of translation, catalyse the joining of amino acids by condensation reactions Site of translation, catalyse the joining of nucleotides by hydrolysis reactions 0 1 ....

aqa AS BIOLOGY Paper 1 (7401/1) Mark scheme June2023

AQA AS BIOLOGY 7401/1 Paper 1 Question Paper + Mark scheme [MERGED] June 2022