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Biology Chapter 6 Test

AB
What are examples of compounds that would be polymers?carbohydrates, nucleic acids, proteins, amino acids
What are some descriptions of a polymer?1. made of monomers 2. large molecules 3. usually formed by covalent bonding
Carbon compounds that come from living things are what?organic compounds
How many electrons can a carbon atom share?4
What is a chemical formula?H2O = yes H = no O = no
What does the nucleus of an atom contain?protons and neutrons
Electrons can move around in a region known as what?1 orbitals 2. electron cloud 3. energy levels
What are the basic building blocks of proteins?amino acids
Water dissolves many ionic and molecular compounds because of what?polarity
Glucose and fructose combine by what process?condensation reaction
The various enzymes in our body are what?proteins
Two things with the same formula differ in what?three dimensional structure or the arrangment of atoms
A strong acid would have a pH of what?close to one
A strong base would have a pH of what?close to fourteen
Carbon-12 and Carbon-13 are examples of what?isotopes
How many atoms are found in H2O3Fe712
When working with the periodic table, how many electrons do you place in each energy level2 in first and 8 from then on
An unsaturated lipid contains what?double bond
Unlike carbs and fats, proteins contain what?nitrogen
Diffusion continues until what?dynamic equilibrium or there is no concentration gradient
Brownian motion is evidence of what?random movement of particles
An organic compound with the ratio of two hydrogen atoms and one oxygen atom for each carbon atoms is a ___.carbohydrate
the smaller subunits that make up nucleic acids are ____nucleotides
Any substance that forms hydrogen ions in water is a _____acid
Two atoms that share electrons are held together by ____ bondscovalent bonds
Atoms of two or more elements chemically combined are ______compounds
Atoms of the same element with different numbers of neutrons are ____isotopes
This is a glucose polymer that forms the cell walls of plantscellulose
Large molecule formed when many smaller molecules bond togetherpolymer
Molecule with unequal distribution of chargepolar molecule
Protein that speeds up a chemical reactionenzyme
Bond formed between amino acidspeptide bond
All the chemical changed that occur within an organismmetabolism
Mixture is which one substance is distrubuted evenly in anothersolution
Center of the atom is called what?nucleus

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