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Bio final 101

TermDefinition
Energy flows through an ecosystem. _____ flows from sunlight to producers to consumers.
Eukaryaotic Cell Type of cell w/membrane-enclosed organelles
Prokaryotic Type of cell lacking membrane-enclosed organelles
DNA (Deoxyribosenucleic Acid) Double-stranded, helical nucleic acid molecule consisting of nucleotide monomers with a deoxyribose sugar and the nitrogenous bases (A,C,G,T)
Gene Discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA
Element Substance hat can not be broken down to other substances.
Compound Substance composed of two or more elements
Polar covalent Electrons NOT shared equally
Nonpolar covalent Electrons shared equally
Ionic BOnd Chemical bond resulting from the attraction between oppositely charged ions.
Ionic Compunds Chemical bond resulting from the attraction between oppositely charged ions.
Hydrogen bonds WEAK chemical bond formed when slightly (+) hydrogen atom of a polar covalent bond in one molecule is attached to the slightly(-) atom of a polar covalent bond in another molecule
macromolecule A giant molecule formed by the joining of smaller molecules, usually by a condensation reaction. Polysaccharides, proteins, and nucleic acid are
Macromolecules are polymers that are built from monomers
Polymer long molecule consisting of many similar or identical building blocks linked by covalent bonds
Monomer The repeating units that serve as the building blocks
Hydrolysis When polymers are disassembled to monomers
Enzymes Specialized macromolecules that speed up chemical reactions in cells.
Carbs Both sugars and polymers of sugars
monosacchariess Simplest carbs
Created by: 100000448938787
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