Cell Energy Worksheet

1024 Words5 Pages
Associate Program Material Cell Energy Worksheet Answer the following questions: Cellular respiration: • What is cellular respiration and what are its three stages? Cellular respiration is the process by which electrons are transferred between glucose to coenzymes and then to oxygen. The three stagesare: glycolysis, citric acid cycle, and electron transport. • What is the role of glycolysis? Include the reactants and the products. Where does it occur? Glycolysis is the sugar splitting process where the molecule is split in half outside of the mitochondria. The molecule NAD+ picks up electrons and hydrogen atoms from the carbon molecule and become NADH. ATP is produced from the process, as well as…show more content…
Light reactions take place on the thykaloid membranes of the chloroplast. Light reaction requires light and water, and produces ATP and Oxygen. Dark reactions take place in the stroma (fluid that fills the chloroplast). It uses the ATP produced in light reactions to make glucose. • What is the role of the Calvin cycle? Include the reactants and the products. Where does it occur? Reactants: ATP, NADPH2, CO2, Products: Glucose, Oxygen. The Calvin (or Calvin-Benson) cycle is the cyclic pathway of metabolic reactions that occur as part of photosynthesis to create glucose and other sugars using products from the light energy (most commonly sunlight) dependent part of it. It is named after the scientists who first worked it out. The Calvin cycle is the light independent reaction of photosynthesis. This is an important detail to note because it does not compile photosynthesis. There is also a light dependent stage that requires light energy. Summary: • Explain how photosynthesis and cellular respiration are linked within ecosystems. Both are processes that provide energy for cells/organisms. photosynthesis provides energy for photoautotrophs through light reactions in the thylakoids and the Calvin cycle. cellular respiration gives hetertrophs the energy they need through glycolysis, the Krebs cycle, and electron transport system. • Visit the NASA website (http://data.giss.nasa.gov/gistemp/graphs/) and

More about Cell Energy Worksheet

Open Document