Atoms
Water
Macromolecules
Chemical Reactions and Enzymes
pH
100
The bond where two atoms share a pair of valence electrons
What is covalent
100
The attraction between water molecules which produces a high surface tension.
What is cohesion
100
Each of the following is a polymer EXCEPT a. protein, b. cellulose, c. glucose, d. starch, e. glycogen
What is C GLUCOSE (it's a monosaccharide)
100
Category of organic compounds that enzymes fall under.
What is proteins
100
To be an ___________ your pH must be below 7
What is Acid
200
The bond that forms when a hydrogen atom is attracted to another electronegative atom. (between water molecules)
What is a hydrogen bond
200
Ionic substances and substances with polar covalent bonds are soluble in water, making water the Universal ____________
What is solvent
200
Examples are glycogen, celluose and chitin (also tell where each of those is found)
What is polysaccharides or What is carbohydrates
200
When enzymes start to lose their three-dimensional shape and they start to lose their abilty to catalyze reactions they start to become ________.
What is denatured
200
To be a ________________ your pH must be above 7
What is a Base
300
Atoms that differ in the number of neutrons
What is an isotope
300
Large bodies of water can absorb large amounts of heat with small changes in temperature because of this property of water
What is high specific heat
300
The difference between saturated and unsaturated fatty acids.
What is saturated has all single bonds where unsaturated has some double bonds and is liquid at room temperature
300
The reactants in this chemical reaction: CO2 + H20 --> H2CO3
What is CO2+H20
300
Acids have more ______ ions than _______ ions in solution
What is more H+ than OH-
400
Name the three parts of an atom and tell their charge.
What is proton (positive), neutron (neutral) and electron (negative)
400
Water being attracted to other things, like the glass of a graduated cylinder.
What is Adhesion
400
Name the monomers (building blocks) of each of the four categories of organic compounds.( protein, carbohydrates, lipids and nucleic acids)
What is Protein (amino acids), Carbohydrates (monosaccharies), Lipids (glycerol and fatty acids) and nucleic acids (nucleotides)
400
The energy required to get a chemical reaction started
What is activation energy
400
When the number of H+ ions is equal to the number of OH- ions the substance is said to be_____________
What is Neutral
500
What type of ion forms when an atom loses electrons?
What is Positive
500
The type of bond that forms within a water molecule causing an unequal sharing of electrons.
What is Polar Covalent
500
The chemical reaction that builds polymers and releases water and the chemical reaction that breaks down polymers using water.
What is Dehydration synthesis and Hydrolysis
500
the type of chemical reaction that releases energy and the type of chemical reaction that absorbs energy
What is exothermic and endothermic
500
These try to maintain a relatively constant pH in your bodies
What are buffers
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