Biology

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AQA A LEVEL BIOLOGY PAPER 1 QUESTIONS AND CORRECT ANSWERS UPDATED 2022. AQA A LEVEL BIOLOGY Paper 1 2022 1. What is the function of the cell membrane?: To control what enters and leaves the cell, acts as a barrier between the cell and its environment. 2. What structural feature of the cell membrane allows substances to enter/leave?: Partially permeable 3. What is the fluid mosaic model?: States that a membrane is a fluid structure (because phospholipids are constantly moving) with a "m...

AQA A LEVEL BIOLOGY 7402/2 PAPER 2 MARK SCHEME JUNE 2022 A-level BIOLOGY 7402/2 Paper 2 Mark scheme June 2022 Version: 1.0 Final *226A7402/2/MS* lOMoARcPSD| MARK SCHEME – A-LEVEL BIOLOGY – 7402/2 – JUNE 2022 2 Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme includes any amendments made at the standardisation events which all associates participate in and is the sch...

Student Exploration: Carbon Cycle Vocabulary: atmosphere, biomass, biosphere, carbon reservoir, carbon sink, fossil fuel, geosphere, greenhouse gas, hydrosphere, lithosphere, photosynthesis Prior Knowledge Questions (Do these BEFORE using the Gizmo.) In the process of photosynthesis, plants take in carbon dioxide (CO2) from the atmosphere and water (H2O) from the soil. Using the energy of sunlight, plants build molecules of glucose (C6H12O6) and oxygen (O2). Make sure all of your answers a...