'Cyclic pathway' presentation slideshows

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Chapter 7 How Cells Acquire Energy

Chapter 7 How Cells Acquire Energy. Autotrophs. Self nourishing Obtain carbon from carbon dioxide Photosynthetic autotrophs (plants, protistians, and bacterial membranes) harness light energy

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Plant Physiology

Plant Physiology. Photosynthesis, the light reaction. Photosynthesis. Photosynthesis is the process that converts solar energy into chemical energy Nourishes almost the entire living world Plants, algae Autotrophs sustain themselves without eating anything derived from other organisms

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Energy Releasing Pathways: Cellular Respiration and Glycolysis

Energy Releasing Pathways: Cellular Respiration and Glycolysis. Biology 1010 -Chapter 8. Introduction. A. Unity of Life 1. all organisms use energy 2. byproducts of metabolism a. carbon dioxide b. water c. heat 3. at the biochemical level, all life is united.

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History of the Earth, Oceans and Life

History of the Earth, Oceans and Life. ~4.7 billion years ago (bya)- Earth forms ~4.2 bya- Oceans form ~3.6 bya- Life begins ~2.0 bya- Oxygen rich atmosphere ~570 million years ago (mya)- First animals ~65 mya- Dinosaurs go extinct ~1 mya- First hominids ~230 years ago- U.S.A is formed

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prostaglandins, prostacyclins, thromboxanes, leukotrienes

Eicosanoids. prostaglandins, prostacyclins, thromboxanes, leukotrienes . lipid-derived AUTOCOIDS. arachidonic acid C 20:4 ? 5,8,11,14. The common precursor to these autocoids is arachidonic acid. hormones bind to receptors Ca 2+ released and activates phospholipases. acylhydrolases. 5.

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The Origin and Early Evolution of Life

The Origin and Early Evolution of Life. Chapter 18. The Big Bang. 12-15 billion years ago all matter was compressed into a space the size of our sun Sudden instantaneous distribution of matter and energy throughout the known universe. Archaean Eon and Earlier. 4,600 mya: Origin of Earth

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CHAPTER 20 PROTEIN METABOLISM

CHAPTER 20 PROTEIN METABOLISM. Nitrogen of Amino Acids. nitrogens to be excreted are collected in glutamate which is oxidized to a - ketoglutarate and NH 4 + . The Urea Cycle - Overview. Urea cycle: a cyclic pathway that produces urea from CO 2 and NH 4 + . Amino Acid Catabolism.

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