Biology B4

Mind Map by , created about 4 years ago

Biology B4 mind map

Created by bettyboop121 about 4 years ago
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Biology B4
1 B4.3
1.1 Synthesis
1.1.1 Of polymers Required by plant cells Such as starch cellulose from glucose
1.1.2 Amino acids From glucose and nitates Proteins in plants
1.2 Respiration
1.2.1 Aerobic Requires Oxygen Glucose+Oxygen---> Carbon Dioxide + Water Releases more energy per glucose molecule
1.2.2 Takes place in animal & plant cells Sometimes microorganisms
1.2.3 Anaerobic Low oxygen Or none Animal cells and bacteria Glucose---> Lactic acid Plant cells and microorganisms Glucose---> Ethanol+Carbon dioxide Applications of anaerobic respiration of microorganisms Production of bio gas and fermentation In bread making In alcohol fermentation Plant roots in waterlogged soil Bacteria in puncture wounds Human cells during vigorous excercise
2 B4.2
2.1 Plant cell
2.1.1 Cell Membrane Allows gases and water to pass through Controls passage of other molecules
2.1.2 Nucleus Contains genetic code for enzymes
2.1.3 Cytoplasm Enzymes used in photosynthesis are produced here
2.1.4 Mitrochondria organelle Respiration takes place
2.1.5 Vacoule Membrane bound sac Contains molecules Glucose dissolved in water
2.1.6 Cell Wall Rigid box made of cellulose
2.2 Minerals are taken up by roots
2.3 Diffusion
2.3.1 Movement of particles from one area of high concentration to a lower concentration
2.3.2 Movement of O2&CO2 during photosynthesis
2.4 Osmosis
2.4.1 Dilute to concentrated
2.4.2 Movement of water into plant roots
3 B4.1
3.1 Life processes
3.1.1 Movement Respiartion Sensitivity Growth Reproduce Excrete Nutrition
3.2 Photosynthesis
3.2.1 6CO2+6H2O-->C6H12O6+6O2 Carbon dioxide+water--> glucose+oxygen Glucose is converted into carbohydrates Cellulose Starch Stored in leaves Can be converted back into glucose Both polymers of glucose Glucose molecules break down in respiration Releases energy Used to power chemical reactions
3.2.2 Takes place in chloroplasts which contain chlorophyll and enzymes Water, light and CO2 are taken in by chlorophylls Oxygen and glucose is taken out
3.2.3 Plants trap energy from sunlight and use it to make molecules for growth
3.2.4 Can be limited by Temperature Carbon Dioxide Light Intensity
3.3 Enzymes
3.3.1 Are proteins Speed up chemical reactions
3.3.2 Made by cells according to instructions in genes
3.3.3 Have to be at a specific temperature and PH They can denature if these are too high Stop working permenently Reaction does increase when temperature does To work at optimum
3.3.4 Active Site Lock and key model Molecules have to be the correct shape to fit into the active site of an enzyme Overall movement of chemicals across cell membrane Used in absorption of nitrates by plant root
4 Cells
4.1 Animal
4.1.1 Nucleus
4.1.2 Cytoplasm
4.1.3 Cell membrane
4.1.4 Mitrochondria Contains enzymes for reactions in aerobic repiration
4.2 Yeast
4.2.1 Nucleus
4.2.2 Cytoplasm
4.2.3 Cell membrane
4.2.4 Mitrochondria Contains enzymes for reactions in aerobic repiration
4.2.5 Cell wall
4.3 Bacteria
4.3.1 Nucleus
4.3.2 Cytoplasm
4.3.3 Cell membrane
4.3.4 Cell wall
4.3.5 Circular DNA molecule

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