Chemical energy
Storyboard Text
- CHEMICAL ENERGY & ATP
- Chemical energy is the energy released from a substance, or absorbed in the formation of a chemical compound, during a chemical reaction. ATP is an example of chemical energy. ATP:Essential chemical compound, used by cells to store and release energyUsed in blood circulation, muscle contraction, creation of new tissues, digestion, nerve transmission, among others
- Yes! Thanks to this, the cell is autonomous because it has its own energy center so its rechargeable
- In eukaryotic cells (human ones), ATP is generated at the mitochondria
- As a result of cellular respiration?
- Enzyme that syntheses mitochondrial ATPIntermembrane subunit, channel through which the protons pass.Movement outside the membrane & towards mitochondrial matrix cause ADP + Pi = ATP molecule
- ATP consist of a nitrogenous base, sugar (ribose), & 3 groups of bonded orthophosphates
- ATP SYNTHASE
- What forms ATP?
- Phosphate groups are released 1 by 1 (allows energy-realeasing)Enough energy to carry out a lot of activities, (movement of metabolites, muscle contraction, maintenance of cell gradient, cell division, among others)
- After all this explanation, do you have any conclusions?
- Exactly! And remember synthesis of ATP is regulated so that it does not degrades.
- Yes, a large amount of ATP is essential so the cell/organism can carry its functions.
- Heterotrophs are the organisms that depend on external resources for food.Organism thet could produce organic nutrients from very simple organic molecules (like CO2) are called autotrophs. Synthesizing more complex oraginc molecules from CO2 implies a lot of energy
- Heterotrophs & Autotrophs
- Types of heterothrophic organisms: saprophytes, parasites and symbiotic. Types of Autotrophic: Chemoautotrophs and photoautotrophs
- Can we be more specific?
- Use energy stored in organic molecules (nitrides/ammonia). Use chemical energy to synthesize organic compund from CO2. Ex. Colorless sulfur bacteria, use iron and hydrogen.
- Chemoautotrophs
- Feed on remains of dead organisms in decay. Ex.Vultures and Coyotes
- Saprophytes
- Yes! These are the explanations of each type of nutrition
- Get their food from the host not killing but harming it Ex.American trypanosomiasis, Chagas disease, ustilago maydis
- Parasites
- Use sunlight with the same purpose as chemoautotrophsEx. Pine, parsley, daisy, grass, laurel I.A.
- Photoautotrophs
- Both organism benefit mutuallyEx.Linchens formed by algae & fungus, clownfish &anemone, and bacteria that helps termites to digest wood.
- Symbiosis
- Provide the highest amount of energy for most of the organism that reside on EarthAll these organisms carry out photosynthesis.
- Photoautotrophs
- Wow! It's really cool to see how the different types of organisms make it to feed/survive.
- Yes! And especially photoautotrophs, we could see how important they are and that they do photosynthesis.
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