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AQA A-Level Biology: Paper 1 Bundle With Complete Solutions
AQA A-Level Biology: Paper 1 Bundle With Complete Solutions
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AQA A LEVEL BIOLOGY Paper 1 2022 Correct 100%
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What is the function of the cell membrane? - ANSWER To control what enters and leaves the cell, acts as a barrier between the cell and its environment. What structural feature of the cell membrane allows substances to enter/leave? - ANSWER Partially permeable What is the fluid mosaic model? - ...
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Add to cartWhat is the function of the cell membrane? - ANSWER To control what enters and leaves the cell, acts as a barrier between the cell and its environment. What structural feature of the cell membrane allows substances to enter/leave? - ANSWER Partially permeable What is the fluid mosaic model? - ...
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AQA A level Biology 2022(Paper 1 RATED A+)
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Explain why plasma membranes are said to have a fluid mosaic structure. - ANSWER 1. Fluid because the phospholipids are constantly moving. 2. Mosaic because the proteins are scattered throughout the membrane-like tiles in a mosaic. What effect does cholesterol have on the cell membrane? - ANSWER ...
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Add to cartExplain why plasma membranes are said to have a fluid mosaic structure. - ANSWER 1. Fluid because the phospholipids are constantly moving. 2. Mosaic because the proteins are scattered throughout the membrane-like tiles in a mosaic. What effect does cholesterol have on the cell membrane? - ANSWER ...
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AQA A Level Biology Mock Paper 1 Questions & Answers(SCORED A+)
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Give the 2 types of molecule from which a ribosome is made (2) - ANSWER 1. ribosomal Proteins 2. ribosomal RNA Describe the role of a ribosome in the production of a polypeptide. Do not include transcription in your answer (3) - ANSWER 1. mRNA binds to ribosome 2. allows tRNA with anticodons to...
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Add to cartGive the 2 types of molecule from which a ribosome is made (2) - ANSWER 1. ribosomal Proteins 2. ribosomal RNA Describe the role of a ribosome in the production of a polypeptide. Do not include transcription in your answer (3) - ANSWER 1. mRNA binds to ribosome 2. allows tRNA with anticodons to...
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AQA A-Level Biology: Paper Correctly Solved!!
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1.1 Describe the induced fit model of enzyme action and how an enzyme acts as a catalyst. - ANSWER- The substrate binds to the active site and forms an ES complex. - The active site changes shape slightly so it's complimentary to the substrate. - This reduces the activation energy. 1.2 Tick on...
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Add to cart1.1 Describe the induced fit model of enzyme action and how an enzyme acts as a catalyst. - ANSWER- The substrate binds to the active site and forms an ES complex. - The active site changes shape slightly so it's complimentary to the substrate. - This reduces the activation energy. 1.2 Tick on...
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