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Biomolecules
Biomolecules

... Polysaccharides – are greater than 2 simple sugars joined together. ...
Unit 2 Metabolic Processes Expectations
Unit 2 Metabolic Processes Expectations

... understanding and treatment of mitochondrial diseases [a group of neuromuscular diseases]). Sample issue: Some fad weight-loss diets include pills that are believed to speed up the body’s metabolism to help a person lose weight quickly. Other diets rely on very low calorie intake for rapid weight lo ...
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Organic Molecule Marshmallow Lab

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Outline05 Enzymes - Napa Valley College
Outline05 Enzymes - Napa Valley College

... - major energy source for cells: oxidation of sugars, fatty acids, and amino acids - redox reactions are coupled: one molecule is oxidized, another is reduced - redox reactions in cells often involve transfer of H atoms (not H+ ions) e.g., reduction of pyruvate to lactate: C=O + 2 H → H-C-OH ...
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... 1. Organic molecules contain carbon and hydrogen atoms bonded to other atoms. 2. Four types of organic molecules (biomolecules) exist in organisms: carbohydrates, lipids, proteins, and nucleic acids. 3. Organic molecules are a diverse group; even a simple bacterial cell contains some 5,000 organic m ...
2008 CELL BIOLOGY – TRAINING HANDOUT
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Chapter 2 - Vocabulary List

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... o Protein synthesis  Lipoproteins - Catabolic Functions: o CHO: Glycogenolysis, gluconeogenesis (via acetyl CoA formation from fatty acid breakdown) → maintain BSL o Fats: ↑lipolysis  Ketone body formation  Bile Acid formation (for fat absorption) o Proteins  Ammonium formation (via glutathione ...
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Chapter 11 - Introduction to Metabolism
Chapter 11 - Introduction to Metabolism

... metabolism - sum total of all chemical reactions in living cells catabolic reactions - degrade macromolecules and other molecules to release energy anabolic reactions - used to synthesize macromolecules for cell growth, repair, and reproduction Can divide metabolism into 4 groups: carbohydrates, lip ...
MACROMOLECULE WEBQUEST
MACROMOLECULE WEBQUEST

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Whittier Union High School District
Whittier Union High School District

... Benedict’s solution tests for the presence of monosaccharides or simple sugars. In a positive test the liquid goes from a blue color to an orange/red after it is heated. 12. Define denature: It means that the shape of a protein has been permanently changed 13. Define catalyst: It speeds up a reactio ...
Thomovsky E, et al. Shock pathophysiology. Compend Contin Educ
Thomovsky E, et al. Shock pathophysiology. Compend Contin Educ

... ...
Nucleic acids
Nucleic acids

... Nucleic acids carry and transmit genetic information. The two most common forms of nucleic acids are DNA and RNA. Nucleic acids are made up of smaller monomers of carbon, nitrogen, oxygen, phosphorus, and hydrogen called nucleotides. The chemical groups that make up nucleotides are phosphates, nitro ...
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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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