Unit 2 TEST Flashcards
(26 cards)
Define Compund
A substance made of one or more elements
Ionic Bond
Bonds formed by an atom stealing an electron from another atom
Covalent Bonds
Bonds made by atoms sharing electons
Hydrogen Bonds
Bonds between a hydrogen and larger atom
Polar
A molecule that has different charges in different areas
Cohesion
Attraction between the same elements
Adhesion
Attraction between different elements
Solvent
The thing that dissolves
Solute
The thing being disolved
pH Scale
The mesure of acidity on a 0-14 scale, the lower the more acidic, the higher the more basic
Acid
Substances that release hydrogen when disolved in water
Bases
Substances that release hydroxide when disolved in water
Monomer
A small part of a polymer
Polymer
The linking of many monomers into a larger objects
Enzyme
A protein that speeds up chemical reactions
Substrate
The thing being broken down by enzymes
What are organic compounds?
Any of a large class of chemical compounds in which one or more carbon atoms are covalently bound to atoms of other elements
What particles make up an atom?
Protons, Neutrons, and Electrons
What are the six most common elements of living things?
Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur (CHONPS)
What is the monomer, polymer, and function of Carbohydrates?
Monosaccharides, Polysaccharides, A quick source of energy
What is the monomer, polymer, and function of Protines?
Amino acids, Polypeptide, Regulating cell processes
What is the monomer, polymer, and function of Lipids?
Glycerol and fatty acids, Waxes, steroids, phospholipids, triglycerides, Stores energy and are chemical messengers.
What is the monomer, polymer, and function of Nucleic Acids?
Nucleotides, DNA and RNA, store genetic information
How do enzymes work
By binding to reactants and spending up their reaction
