Macromolecules/ Properties of Water

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Presentation transcript:

Macromolecules/ Properties of Water Priya Patel, Tyler Kerns, Matthew Graham

Properties of Water positive end and negative end positive hydrogen bonds with the negative oxygen covalent bond between oxygen and hydrogens (a covalent bond is where atoms share electrons) each water molecule bonds by a hydrogen bond (where hydrogen attracts to another atom, usually oxygen or nitrogen)

Properties of Water high specific heat: resistance to change in temperature cohesion: water sticks to other water molecules adhesion: water sticks to other different molecules water's surface tension is caused my water's cohesion. (spiders can walk on water because of this)

Macromolecules lipids: Nonpolar molecules including fats, oils, and cholesterol. fatty acids: chains of carbon Adams bonded to hydrogen atoms; saturated or unsaturated.

Macromolecules carbohydrates: molecules composed of carbon, hydrogen, and oxygen are, and they include sugars and starches. carbohydrates can be broken down as a source of usable energy. Example: glucose (has benzene ring)

Macromolecules proteins: polymer made of monomers called amino acids. organisms use 20 amino acids to build proteins and your body makes 12 of those. specific sequence of amino acids determines a protein's structure and function.

Macromolecules nucleic acids: polymers made of monomers called nucleotides. nucleotides are composed of sugar, phosphate group, and a nitrogen containing base.