Biology a paper 4 qp - Study guides, Class notes & Summaries

OCR GCSE (9–1) Biology A (Gateway Science) J247/04 Paper 4 QP Higher Tier2024

OCR GCSE (9–1) Biology A (Gateway Science) J247/04 Paper 4 QP Higher Tier2024

AQA A LEVEL BIOLOGY PAPER 2 JUNE 2023 QUESTION PAPER (7402/2) 2023/8/31 Please write clearly in block capitals. Centre number Candidate number Surname Forename(s) Candidate signature A-level BIOLOGY Paper 1 I declare this is my own work. 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. • An...

AQA Biology A-Level Paper 2 Specimen QP A-level BIOLOGY (7402/2) Paper 2 Specimen 2014 Session Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the bottom of this page. • Answer all questions. Information • The marks for questions are shown in brackets. • The maximum mark for this paper is 91. ...

OCR GCSE (9–1) Biology A (Gateway Science) J247/04 Paper 4 QP Higher Tier2024

June 2017 QP (v1) Paper 1 AQA Biology AS-level. 0 1 Figure 1 shows part of a DNA molecule 0 1 . 1 How many nucleotides are shown in Figure 1? [1 mark] 0 1 . 2 Name the type of bond labelled X in Figure 1 0 1 . 3 The enzymes DNA helicase and DNA polymerase are involved in DNA replication. Describe the function of each of these enzymes. [2 marks] DNA helicase DNA polymerase 0 1 . 4 Adenosine triphosphate (ATP) is a nucleotide derivative. Contrast the structures of ATP and a nucleoti...

AQA Biology A-Level Paper 2 Specimen QP A-level BIOLOGY (7402/2) Paper 2 Specimen 2014 Session Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the bottom of this page. • Answer all questions. Information • The marks for questions are shown in brackets. • The maximum mark for this paper is 91. ...

AQA A LEVDefine diffusion. The net movement of molecules or ions from an area of higher concentration to an area of lower concentration until evenly distributed.Define osmosis.The movement of water from a region of higher water potential to a region of lower water potential across a partially permeable membrane. Define active transport. The movement of molecules from an area of lower concentration to an area of higher concentration using ATP and carrier proteins. State factors which ...

AQA GCSE BIOLOGY HIGHER TIER 8461 PAPER 2H QP JUNE 2021 Answer all questions in the spaces provided. 0 1 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 box 3 *03* Turn over ► IB/M/Jun21/8461/2H D...