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Amino Acids and Peptides-chap 3
Amino Acids and Peptides-chap 3

...  L-amino acids are found in all proteins; Damino acid image found in proline  D-amino acids are found in nature  Three letter or one-letter codes – refer to amino acids ...
Animal cell culture and applications
Animal cell culture and applications

... endosperm and embroyo development in angiosperms. Tissue and tissue systems, meristematic and permanent tissue, mineral nutrition essential elements and their functions: uptake of minerals transport of water and solutes. Transpiration photosynthesis and respiration: importance, mechanism and factors ...
4.1 Chemical Energy and ATP
4.1 Chemical Energy and ATP

... 4.1 Chemical Energy and ATP • Carbohydrates are the most common molecule to be broken down for ATP - 36 ATP from 1 glucose • Fats store the most energy. – 80 percent of the energy in your body • Proteins are least likely to be broken down to make ATP. – amino acids not usually needed for energy ...
Enzyme
Enzyme

... Enzymatic Reaction ...
Bio1A - Lec 7 slides File
Bio1A - Lec 7 slides File

... Endergonic reaction absorbs free energy from its surroundings  not spontaneous Always driven by another reaction (even if only heat) ...
Repetition Summary of last lecture Energy Cell Respiration
Repetition Summary of last lecture Energy Cell Respiration

... Funnel electrons from many kinds of organic molecules into cellular respiration ...
Comparing Fermentation with Anaerobic and
Comparing Fermentation with Anaerobic and

... and harvest chemical energy of food  In all three, NAD is the oxidizing agent that accepts electrons during glycolysis  The processes have different final electron acceptors: an organic molecule (such as pyruvate or acetaldehyde) in fermentation and O2 in cellular respiration ...
Lecture 14: Protein and Fat Synthesis
Lecture 14: Protein and Fat Synthesis

... Synthesis of fatty acids from CH3CO.CoA takes place step by step. In each step the fatty acid chain is increased by two carbon atoms. Each step involves two reactions – (i) In the first reaction which takes place in the presence of acetyl – CoA carboxylase, acetyl – CoA combines with CO2 to form mal ...
Essential Chemistry for Biology
Essential Chemistry for Biology

... Matter is anything that occupies space and has mass Matter on Earth is found in three physical states solid, liquid, and gas Mass is a measure of the amount of material in an object An element is a substance that cannot be broken down into other substances by chemical reactions All matter is compose ...
Chapter 3 Microbiology Functional Anatomy of Prokaryotic and
Chapter 3 Microbiology Functional Anatomy of Prokaryotic and

... orientation. Sec (secretory)YEG protein Proteins exported like amylase and cellulase ...
Print Version
Print Version

Section 7: How Are Proteins Made? (Translation)
Section 7: How Are Proteins Made? (Translation)

Introduction to the Chemistry of Life
Introduction to the Chemistry of Life

... separate the critical molecules required for replication and energy capture from a potentially degradative environment. ...
Lecture 38 - Amino Acid Metabolism 1
Lecture 38 - Amino Acid Metabolism 1

... 2. What is the net reaction of the urea cycle? NH4+ + HCO3- + aspartate + 3 ATP ---> urea + fumarate + 2 ADP + 2 Pi + AMP + PPi 3. What is the key regulated enzyme in urea synthesis? Carbamoyl phosphate synthetase I – catalyzes the commitment step in the urea cycle; the activity of this mitochondria ...
Biology
Biology

... Some proteins control the rate of reactions and regulate cell processes. Some proteins are used to form bones and muscles. Other proteins transport substances into or out of cells or help to fight disease. ...
Acetyl-CoA Carboxylase-A New Target in the Fight against Obesity
Acetyl-CoA Carboxylase-A New Target in the Fight against Obesity

...  Eating junk food can prevent your body from absorbing vitamins and nutrients. ...
Cellular Respiration: Harvesting Chemical Energy
Cellular Respiration: Harvesting Chemical Energy

... Products of Glycolysis • 2 Pyruvic Acids (a 3C acid) • 4 ATP ...
Translation
Translation

... DNA is composed of four different nitrogenous bases, then a single base cannot specify one amino acid. If two bases were to specify one amino acid, there would only be 42 or 16 possible combinations. If three bases specified one amino acid then there would be would be 43 or 64. This is more than eno ...
l8.l The omino ocids
l8.l The omino ocids

... AIM: To clossifythe 20 commonomino acids occordingto their side-choin structures. Focus There are 20 common natural amino acids. ...
Lipid reading File
Lipid reading File

... However, high levels of HDL can pose high cholesterol risks and cardiovascular diseases. So it is always advisable to keep a check on cholesterol levels by going for tests once in 3-5 years. Unsaturated fats (like vegetables, grains and nuts) are better than saturated fats (meat and dairy products). ...
Amino Acid composition of vegetables and fruits from
Amino Acid composition of vegetables and fruits from

... humin (8). The column was run with 25 mM sodium citrate buffer, pH 2.2. The column effluent containing the amino acids was lyophilized, redissolved in enough distilled water to a volume which gave the final citrate concentration of 0.2M, and chromatographed in an LKB 4400 automatic amino ac.;id anal ...
Cell organelles III. Cytoplasm, nucleus, nucleolus, SER, RER
Cell organelles III. Cytoplasm, nucleus, nucleolus, SER, RER

... Pinocytosis: uptake of fluids Receptor mediated endocytosis: uptake of specific molecules ...
complex I
complex I

... The human mitochondrial genome contains about 16500 nucleotides and encodes 2 ribosomal RNAs, 22 transfer RNAs, and 13 different polypeptide chains. ...
Protein: Amino Acids
Protein: Amino Acids

... • After reading Chapter 5, class discussion and activities you will be able to: – Describe the role of proteins – Distinguish between complete and incomplete proteins – Identify sources of quality protein – Calculate calories from protein ...
Chapter 8 Notes
Chapter 8 Notes

... The release of energy during the hydrolysis of ATP comes from the chemical change to a state of lower free energy, not from the phosphate bonds themselves. Why does the hydrolysis of ATP yield so much energy? o Each of the three phosphate groups has a negative charge. o These three like charges are ...
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Metabolism



Metabolism (from Greek: μεταβολή metabolē, ""change"") is the set of life-sustaining chemical transformations within the cells of living organisms. These enzyme-catalyzed reactions allow organisms to grow and reproduce, maintain their structures, and respond to their environments. The word metabolism can also refer to all chemical reactions that occur in living organisms, including digestion and the transport of substances into and between different cells, in which case the set of reactions within the cells is called intermediary metabolism or intermediate metabolism.Metabolism is usually divided into two categories: catabolism, the breaking down of organic matter by way of cellular respiration, and anabolism, the building up of components of cells such as proteins and nucleic acids. Usually, breaking down releases energy and building up consumes energy.The chemical reactions of metabolism are organized into metabolic pathways, in which one chemical is transformed through a series of steps into another chemical, by a sequence of enzymes. Enzymes are crucial to metabolism because they allow organisms to drive desirable reactions that require energy that will not occur by themselves, by coupling them to spontaneous reactions that release energy. Enzymes act as catalysts that allow the reactions to proceed more rapidly. Enzymes also allow the regulation of metabolic pathways in response to changes in the cell's environment or to signals from other cells.The metabolic system of a particular organism determines which substances it will find nutritious and which poisonous. For example, some prokaryotes use hydrogen sulfide as a nutrient, yet this gas is poisonous to animals. The speed of metabolism, the metabolic rate, influences how much food an organism will require, and also affects how it is able to obtain that food.A striking feature of metabolism is the similarity of the basic metabolic pathways and components between even vastly different species. For example, the set of carboxylic acids that are best known as the intermediates in the citric acid cycle are present in all known organisms, being found in species as diverse as the unicellular bacterium Escherichia coli and huge multicellular organisms like elephants. These striking similarities in metabolic pathways are likely due to their early appearance in evolutionary history, and their retention because of their efficacy.
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