Classes of Organic Molecules The Molecules of Life -the critically important large molecules of all living things fall into 4 main classes: 1) _____________________ 2) _____________________ 3) _____________________ 4) _____________________ -macromolecules are ____________________‚ built from _____________________ -________________: a long molecule consisting of many similar or identical ______________ blocks linked by __________________ bonds -___________________: smaller molecules that serve as
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source of energy 2. Living processes consist of thousands of chem reactions that must be precisely regulated & integrated 3. Certain fundamental reactions pathways are found in all organisms 4. All orgs use same types of molecules: carbs‚ lipids‚ proteins‚ and nucleic acids 5. Instructions for growth‚ development‚ and reproduction are encoded in each organisms nucleic acids Have to know how cells are regulated and where this info is coming from Why/how energy is made or used up – always tracking
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Short Description Protein Dynamix has revolutionised the sports supplement industry‚ with its range of best sports nutrition products. The company aims to help people accomplish their fitness goals without costing them an arm and a leg. From effective fat loss supplements to superior quality protein and many others‚ whether you want to get in shape‚ lean your muscle or manage your weight‚ the shop offers only “best in class” products from leading nutrition brands‚ so to make sure you only get quality
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fluid. 2. Proteins scattered throughout - Embedded or on the surface - Can move around laterally 3. Phospholipid from bilayer‚ make up most of membrane 4. Glycolipids have carbohydrate chains attached. 5. Hydrophilic heads point out/into the cell 6. Hydrophobic tails point out towards each other Proteins 1. Glycoproteins: have carb chains attached protein -For cell recognition (Recognize when it is being invaded by pathogens) - Recognize cells as self 2. Peripheral Proteins: associated
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Biology Assignment (Haemoglobin) Proteins are large‚ complex molecules that are made up of hundreds or thousands of smaller units called amino acids‚ which are attached to one another in long chains. There are 20 different types of amino acids that can be combined to make a protein. The sequence of amino acids determines each proteins unique structure and specific function. They play many critical roles in the cells. They can be grouped as enzymes‚ antibodies‚ messengers‚ structural components or
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water Proteins‚ cholesterol‚ fatty acids Cholesterol‚ fatty acids‚ glycolipids Proteins‚ phospholipids‚ cholesterol Water‚ proteins‚ fatty acids What are the nonpolar parts of a phospholipid? Head group Tail group Both are nonpolar Neither are nonpolar 4. This is the only polar portion of a cholesterol molecule and it forms hydrogen bonds with the polar heads of phospholipids. a. –OH group b. –CH3 group c. –CH4 group d. –OOH group e. None of the above 5. This type of membrane protein will extend
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sentence or statement is true or false. ____ 1. Eukaryotic cells are characterized by a lack of a distinct nucleus‚ whereas prokaryotic cells have intracellular compartments bordered by membranes and a well-defined nucleus. ____ 2. Lipids and proteins are the major components of the plasma membrane. ____ 3. Lysosomes remain fully active by maintaining an acid pH created by pumping hydrogen ions into their interiors. ____ 4. The chief function of ribosomes is to provide sites for lipid synthesis
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related process are known as facilitated diffusion. To facilitate something it means to make something easier and the protein channels in the cell membrane help to assist in transporting molecules such as glucose and urea into and out of cells. The number of channel proteins capable of allowing the materials through is important here‚ aswell as the concentration gradient. Each of the protein channels have a shape which contains a special receptor site for the molecule to be transported and change shape
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Biol GOD Notes. First Edition 1 L. Leong 2012 Chapter 1: Molecules of Life Cell Theory ∝ All living things are composed of cells and the products of cells ∝ Cells are the basic functional unit of life ∝ All cells arise from pre-existing cells Living Things Unicellular: consisting of one cell Multicellular: composed of many cells ∝ All living things: grow and develop‚ regulate metabolic processes‚ move‚ respond to stimuli‚ reproduce AUTOTROPHS: manufacture their own organic carbon compounds
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mushroom actually blocks the action of the mRNA polymerase. ● ● ● No transcription. No translation. Cellular breakdown‚ cellular death and eventual organ system failure and death of the organism. Since there is no longer any essential cellular protein synthesis (back to the blocking of the mRNA polymerase)‚ cellular function breaks down the cells die‚ but why the liver and kidneys?
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