Section 2 Biomacromolecules in Cells-Sugars, Lipids ppt- College Entrance Examination Courseware

Section 2 Biomacromolecules in Cells-Sugars, Lipids ppt- College Entrance Examination Courseware 2. Combination mode (1) The carbon atom is mainly combined with ________________ to form a covalent bond. (2) Covalent bonds can also be formed between carbon atoms, which can be combined in the form of __________________ to form chains, branched chains, or cyclic structures of different lengths. These structures are called organic _______. 3. The most important organic compounds that make up an organism are: ______________. Second, the types and functions of sugar Elemental composition: ___________

Manicure Scissors are hand-operated shearing tools. A pair of scissors consists of a pair of metal blades pivoted so that the sharpened edges slide against each.The manicure scissors are a type of beauty scissors used for personal nail care,they include Plastic Handle Manicure Scissors,Stainless Steel Manicure Scissors,Manicure Eyebrow Scissors,Japanese doll manicure scissors,soft-toching handle manicure scissors,and ect.

manicure scissors

Manicure Scissors

Manicure Scissors,Professional Manicure Scissors,Beauty Mini Manicure Scissors ,Safty Cap Manicure Scissors

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