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Cell level systems
Revision and exam practice for Cell level systems.
22
Objectives
10
Flashcards
10
Questions
90 min
Study time
OcrGcseBiology A GatewayCell level systems
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22 objective pages available
Viewing Cells with Light Microscopes and Staining1 objectives
- Communicate the key features of the way light microscopes and staining can be used to view cells.
Sub-cellular Structures and Their Functions in Eukaryotic and Prokaryotic Cells1 objectives
- Account for the way the main sub-cellular structures of eukaryotic cells (plants and animals) and prokaryotic cells are related to their functions.
Electron Microscopy and Sub-cellular Structures1 objectives
- Account for the way electron microscopy has increased our understanding of sub-cellular structures.
DNA as a Polymer1 objectives
- Communicate the key features of DNA as a polymer.
Understanding DNA: The Blueprint of Life1 objectives
- Communicate the key features of DNA as being made up of two strands forming a double helix.
The Structure of DNA: The Molecule of Life1 objectives
- Communicate the key features of DNA is made from four different nucleotides; each nucleotide consisting of a common sugar and phosphate group with one of four different bases attached to the sugar.
Higher: Protein Synthesis Overview1 objectives
- Retrieve and apply knowledge of a simple description of protein synthesis.
Higher: How DNA Structure Influences Protein Synthesis1 objectives
- Account for simply how the structure of DNA affects the proteins made in protein synthesis.
Investigating Enzymatic Reactions1 objectives
- Communicate the key features of experiments that can be used to investigate enzymatic reactions.
Mechanism of Enzyme Action1 objectives
- Account for the mechanism of enzyme action.
Understanding Cellular Respiration1 objectives
- Communicate the key features of cellular respiration as a universal chemical process, continuously occurring that supplies ATP in all living cells.
Cellular Respiration as an Exothermic Process1 objectives
- Communicate the key features of cellular respiration as an exothermic reaction.
Aerobic vs. Anaerobic Respiration: A Comparative Overview1 objectives
- Identify meaningful similarities and differences in the processes of aerobic respiration and anaerobic respiration.
The Role of Sugars in Carbohydrate Metabolism1 objectives
- Account for the importance of sugars in the synthesis and breakdown of carbohydrates.
The Role of Amino Acids in Protein Synthesis and Breakdown1 objectives
- Account for the importance of amino acids in the synthesis and breakdown of proteins.
The Role of Fatty Acids and Glycerol in Lipids1 objectives
- Account for the importance of fatty acids and glycerol in the synthesis and breakdown of lipids.
Photosynthesis: The Foundation of Life on Earth1 objectives
- Communicate the key features of photosynthetic organisms as the main producers of food and therefore biomass for life on Earth.
Understanding Photosynthesis: The Basis of Life1 objectives
- Communicate the key features of the process of photosynthesis.
Photosynthesis as an Endothermic Reaction1 objectives
- Communicate the key features of photosynthesis as an endothermic reaction.
Investigating Photosynthesis Experiments1 objectives
- Communicate the key features of experiments to investigate photosynthesis.
Factors Affecting the Rate of Photosynthesis1 objectives
- Account for the effect of temperature, light intensity and carbon dioxide concentration on the rate of photosynthesis.
Higher: Limiting Factors in Photosynthesis1 objectives
- Account for the interaction of temperature, light intensity and carbon dioxide concentration in limiting the rate of photosynthesis.
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Practice preview
- Why is iodine solution commonly used when viewing plant cells under a microscope?
- Higher: What is the primary role of tRNA during the process of translation?
- Unofficial practice material Design an experiment to compare the rate of anaerobic respiration in yeast at different temperatures using a glucose solution. Include details of how you would collect and measure the gas produced, and any safety precautions. You are provided with yeast, glucose solution, apparatus for setting up the experiment, and a water bath. [6 marks]
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