Lesson 02.08 DBA/Module Exam Lesson 02.01: Chemistry of Life · Explain why biological macromolecules are important for everyday life. Cells make large macromolecules by bonding smaller molecules together into chains called polymers (from the Greek polys‚ "many‚" and meris‚ "part"). Polymers are large molecules composed of many identical or similar subunits called monomers. There are four categories of biological macromolecules that provide energy and structure to living organisms and their cells
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Name: ______________________________________ Date: ________________________ Student Exploration: Dehydration Synthesis Vocabulary: carbohydrate‚ chemical formula‚ dehydration synthesis‚ disaccharide‚ glucose‚ hydrolysis‚ monosaccharide‚ polysaccharide‚ valence Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. If you exercise on a hot day‚ you need to worry about dehydration. In this context‚ what do you think dehydration means? When you are exercising in the heat you
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of photosynthesis‚ algae‚ plants‚ and photosynthetic prokaryotes use the energy from sunlight to convert carbon dioxide and water to glucose and oxygen (a waste product). The summary reaction for photosynthesis can be written as 6 CO2 6 H2O C6H12O6 6 O2 This type of reaction is an oxidation-reduction (or redox) reaction. This reaction is also [anabolic/catabolic] and [endergonic/exergonic]. In redox reactions‚ electrons (and associated H ions) are transferred from one compound or
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5. If decomposition is blocked‚ the animal or plant material may become fossil fuel in the future for combustion. Word and symbol equations ▪ Photosynthesis: 6H2O + 6CO2 + solar energy=C6H12O6 + 6O2 Water + Carbon dioxide + solar energy=Glucose + oxygen ▪ Cellular respiration C6H12O6 + 6O2=6H20 + 6CO2 + solar energy This is the same as the equation for photosynthesis‚ but reversed. Step 1 Explanation When animals respire‚ they release CO2 into the atmosphere. CO2 is also
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Compare & Contrast C-E-R Paper Photosynthesis is the process that captures energy from sunlight and make sugars to store for chemical energy‚ whereas cellular respiration is the process that releases chemical energy from sugars and other carbon-based molecules to make ATP when oxygen is present. In addition‚ cellular respiration takes place in both plant and animal cells while photosynthesis only takes place in plant cells‚ but that doesn’t necessarily mean it’s less important to animals in the long
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2 genes that code for the same trait homologes= same chromosomes Photsynthesis 6co2+ 6H2O Light> C6H12O6 + 6CO2 Light independent reaction cycle takes sunlight and converts it to ATP Dark reaction : Co2- aka calvin benson cycle. 2 things essential = oxygen and glucose both cycles occur in chloraplast :Light = thylacoid membrane Dark = in stroma Respiration - C6H12O6 + 6O2 >6CO2 + 6H2O + energy Glycolysis: occurs in Cytoplasm. 2 ATP’s produced Krebs cycle – aka
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Green plants absorb light energy using chlorophyll in their leaves. They use it to react carbon dioxide with water to make a sugar called glucose. The glucose is used in respiration‚ or converted into starch and stored. Oxygen is produced as a by-product. This process is called photosynthesis. Temperature‚ carbon dioxide concentration and light intensity are factors that can limit the rate of photosynthesis. Plants also need mineral ions‚ including nitrate and magnesium‚ for healthy growth. They
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of oxygen in the air spaces. Therefore the buoyancy of leaf disks is an indirect measurement of the net rate of photosynthesis. Photosynthesis can be summarized into an equation: 6CO2 + 6H2O + Energy --> C6H12O6 + 6O2 Cellular respiration can be summarized into an equation as followed: C6H12O6 + 6O2 --> 6CO2 + 6H2O + Energy Abstract: The objective of this study was to figure out how different light colors affected the rate of photosynthesis in spinach leaves. This was done by taking leaf disks
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potassium cyanide (KCN). e) Determine the mass in grams of 5.65 x 1024 atoms Se (hint: 2 steps) 5. What is the percent composition by mass of each element in: a) Water (H2O) b) glucose (C6H12O6) 6. Define what an empirical formula is and give an example. 7. Define what a molecular formula is and give an example. 8. What is the difference between an empirical and a molecular formula? 9.
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1. Explain how photosynthesis and respiration are linked in order to provide you with energy from the food you eat. Include in your paper: •Complete descriptions of photosynthesis and aerobic respiration. •Describe how these two processes are linked between plants and animals based on the reactants and products (water‚ carbon dioxide‚ glucose and oxygen) of both pathways. •Include a description of how energy is transferred from sunlight to ATP‚ from ATP to sugars‚ and from sugars
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