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Lecture PPT
Lecture PPT

... When subjected to changes in pH, amino acids change from the protonated form with net positive charge in strongly acidic solution to the unprotonated form with net negative charge in strongly basic solution. During this transition, the amino acid will pass through a state with no net charge. The pH ...
Carbonyl group is a functional group of (Aldehyde, Ketone)
Carbonyl group is a functional group of (Aldehyde, Ketone)

... The presence of Aldehyde, Ketone, and carboxylic acids: Aldehyde, Ketone, and carboxylic acids are present in different compounds of human body, here is some of them:①-Monosaccharides: Monosaccharide's are carbohydrates which can not be hydrolyzed to small molecules, contain carbons with functional ...
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Current Uses of Synthetic Biology for Chemicals

... conversions from carbohydrate to finished fuel are catalyzed in the cell, with the finished product secreted. The fuel forms an immiscible light organic phase that is non-toxic to the organism and is easily recovered from the broth through centrifugation. There is no need for further chemical conver ...
Acetyl CoA
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... • Acetoacetate and b-hydroxybutyrate are transported in the blood to tissues other than the liver ...
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... lactic acid fermentation, one step turns pyruvate into a waste molecule (lactic acid). In both cases, the sole purpose of wasting pyruvate like this is because in the process NADH is converted into NAD+. Normally this happens in the ETC. But without oxygen, the ETC can't run. Cells must have NAD+ in ...
Tracer Development for Molecular Imaging
Tracer Development for Molecular Imaging

... predominantly spin-spin relaxation effects, but very small particles smaller than 300 nm also produce substantial T1 relaxation. • A special group of negative contrast agents (appearing dark on MRI) are perfluorocarbons because their presence excludes the hydrogen atoms responsible for the signal in ...
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File - Groby Bio Page

... 2. Suggest how diving mammals, such as seals, whales and dolphins can swim below water without suffering from muscle fatigue. ...
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Chapter 2 PPT: Characteristics of Living Things and Concept Map

... • Making Proteins Organisms break down the proteins in food to supply their cells with amino acids. These amino acids are then linked together to form new proteins. • Proteins in Action Proteins have many different functions. Other proteins are very small and help cells do their jobs. Other proteins ...
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... or ethanol. • It is the process by which facultative bacteria generate ATP in the absence of oxygen. • There is no oxidative phosphorylation. ...
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PHYSIOLOGY LECTURE EXAM #1 REVIEW LIST

... -know the difference between saturated and unsaturated fats Proteins -know the basic structure of an amino acid -know how to make a peptide bond – what is formed? What kind of reaction is this? -know how one amino acid differs from another -know the 4 levels of protein organization Carbohydrates -kn ...
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IB Topics DNA HL no writing

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BIO1019 Lecture 20 - phospholipids

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Class11 POGIL Translation Full Win17 KEY v1
Class11 POGIL Translation Full Win17 KEY v1

... a. What two things are held together by that covalent bond? ___amino acid and tRNA______ b. What is the catalyst that breaks that bond? ______release factor___________ 22. What is the nucleotide sequence of the codon that binds release factor? __UAG______ (This is called a "stop codon".) 23. Using t ...
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as a PDF

... Proton motive force = Potential energy stored in the proton gradient created across biological membranes that are involved in chemiosmosis. • This force is an electrochemical gradient with two components: 1. Concentration gradient of protons (chemical gradient). 2. Voltage across the membrane becaus ...
Some Consumer Chemistry
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... acids. They have complex structures that involve a specific sequence of amino acids, a helical structure, and folding of the helical chain. There are many groups on the proteins that help make it attractive to water molecules so some proteins are water soluble or can be suspended in water. ...
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... • solutions where the concentration of water outside the cell is less than inside the cell • conversely the concentration of solute (like NaCl) outside the cell is greater than that inside the cell (hyper means Umo~ tlran") • the gradient is now the opposite of a hypotonic solution and waJer m ...
Lecture 4
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... amino acids or to the group of uncharged ones, depending on the local pH. Lysine is classified as a charged residue because its terminal amino group is ionized under most physiological conditions, but its sidechain also contains a hydrophobic segment of four methylene groups. Likewise, the arginine ...
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... Although only a small subset of the amino acids within an enzyme may engage the reactant(s), all enzyme constituents are needed for catalytic activity. Enormous molecule size generates:  sufficient local-controlled flexibility  precise three dimensional arrangements In spite of the tremendous stru ...
Chemistry Subject Matter Requirements Part I: Content Domains for
Chemistry Subject Matter Requirements Part I: Content Domains for

... Understand the definitions of energy, conservation of energy, and energy transfer. a. Analyze the energy in a system, including describing energy in terms of the motion and interactions of matter and radiation and recognizing that energy in systems is continually transferred from one object to anoth ...
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... What are the biochemical responses to a breakfast? Fat is processed exactly as it is processed in the normal fed state. However, this is not the case for glucose. The liver does not initially absorb glucose from the blood, but rather leaves it for the peripheral tissues. Moreover, the liver remains ...
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Chapter 4 Microbial Metabolism

... in which terminal electron acceptor is oxidized inorganic compound other than oxygen •Major electron acceptors = Nitrate, sulfate, CO2, Iron •Anaerobic respiration produces less ATP •Anaerobic respiration is more efficient than fermentation •Uses ETC & oxidative phosphorylation in absence of O2 ...
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... *Plant secondary metabolites are a diverse group of molecules that are involved in the adaptation of plants to their environment but are not part of the primary biochemical pathways of cell growth and reproduction. ...
PURINE Lacture
PURINE Lacture

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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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