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LAS2_BIOMOLECULES.pdf - TXTBK + QUALAS Text book-based...

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1 |P a g eTXTBK + QUALASLEARNING ACTIVITY SHEET No. 2in SCIENCE 10Quarter No. 4Week: 2Text book-based instructionpaired with MELC-Based QualityAssured Learner’s Activity Sheet(LAS)Name: ________________________________Grade and Section: ________________________Teacher: ______________________________Date Submitted: ___________________________MELC 2:Recognize the major categories of biomolecules such as carbohydrates, lipids, proteins, andnucleic acids.(S10MTIVc-d-22)Lesson/Topic:BiomoleculesReference/Source:Science 10Learner’s MaterialPage No.443- 474Key Concepts:BIOMOLECULESBiomoleculesare substancesthat is produced by a living organism which include large macromoleculessuch as proteins, polysaccharides, lipids and nucleic acids.Biomolecules play indispensable roles in all lifeprocesses, including disease development, so the accurate detection of biomolecules is critical to diseasediagnosis and therapy. These are the primary source of energy and life of most living organisms on earth.The existence of these life-giving molecules guarantees the survival of most living organisms on earth. Itprovides most essentials substances for all living creatures.FOUR MAIN CLASSES OF BIOMOLECULESCarbohydratesare molecules made from aldehydes and ketones containing numerous hydroxyl groups. Itis the major source of energy in the body. These are simple sugar, starch, and cellulose.Monosaccharidesis the building blocks of carbohydrates are composed of a single ring. Thesimplest form of sugar such glucose.Disaccharidesconsist of two monosaccharides that are chemically combined such lactose o milksugar. These are the product ofcondensation reactionin which two molecules or parts of the same

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