A type of bond between atoms in which electrons are shared.
Metallic Bond
Ionic Bond
none of these
Covalent Bond
An acid releases what type of ion in solution?
Hydrogen (H+)
A substance with a pH of 14 would be considered a(n) ____________________.
weak base
weak acid
strong acid
strong base
A disaccharide is made up of ______________________.
Two monosaccharides
Name the monomer of a lipid.
triglyceride
Name the monomer of a carbohydrate.
Monosaccharide
Water "sticking" to other water molecules would be an example of ______________________.
adhesion
cohesion
heat of vaporization
capillary action
Glycogen is an example of a ____________.
carbohydrate
A protein catalyst that speeds up the rate of specific biological reactions is called a(n) __________________.
enzyme
molecule composed of many monomers; makes up macromolecules
Polymer
Which of the following would be an example of a base?
All of these
Drain Cleaner
Shampoo
Ammonia
Hemoglobin is an example of a _______________.
protein
Olive Oil would be an example of what type of fat/lipid?
Unsaturated Fat
A base releases what type of ion in solution?
Hydroxide (OH-)
Describe the significance of water having a high heat capacity and a high heat of vaporization for humans.
allows for our bodies to avoid drastic changes in temperature and allows our bodies to cool off when sweating; ultimately allows our bodies to maintain homeosta
In a solution, what is the name for the substance that DOES the dissolving?
Solvent
Nucleic Acids are important for life because they __________________________.
Store genetic information/hold instructions for making proteins
Which of the following is NOT an element that can be found in proteins?
nitrogen
none of these
carbon
oxygen
Which of these examples is NOT made up of proteins?
fingernails
cellulose
hair
enzymes
Tomato, lemon juice, & apple cider vinegar would all be examples of _________.
acids
type of mixture in which all the components are evenly distributed
solution (homogeneous mixture)
What are the two factors we discussed that influence enzyme activity?
temperature & pH
Chemical bond formed when electrons are transferred from one atom to another
ionic bond
mixture of water with an non-dissolved material
suspension
small chemical unit that makes up a polymer
monomer
Olive Oil is an example of a ___________.
lipid
_____________ are the building blocks of proteins.
Amino Acids
Name the monomer of a protein.
amino acid
Cerumen (earwax) is an example of a ___________.
lipid
In a solution, what is the name of the substance that is being dissolved?
solute
ATP is an example of a _________________.
nucleic acid
Which of the following items is NOT a protein type?
contractile proteins
transport proteins
none of these
antibodies
If a substance has a pH of 6.5, this substance would be considered a(n) ________________.
acid
Antibodies are an example of ______________.
proteins
Which of the following pairs is unrelated?
cellulose - carbohydrate
DNA - nucleic acid
amino acid - protein
glycogen - lipid
elements or compounds that participate in a chemical reaction
reactant
Which of the following carbohydrates is a polysaccharide?
starch
fructose
sucrose
glucose
elements or compounds produced in a chemical reaction
products
Glucose is an example of a ________________.
Carbohydrate
Enzymes act by ____________ the amount of activation energy needed in a reaction.
Lowering
RNA is an example of a _______________.
Nucleic acid
What are the two parts of a solution?
Solute & Sovlent
DNA is an example of a ____________.
nucleic acid
material composed of two or more elements or compounds that are physically mixed together; not chemically combined.
mixture
Which of the following would NOT be an example of a monosaccharide?
glucose
sucrose
none of these
fructose
reactant of an enzyme-catalyzed reaction
substrate
Energy input that is needed for a reaction to begin is called _____________________.
activation energy
slight attraction that develops between oppositely charged regions of nearby molecules.
Van der Waals forces
______________ are weak acids or bases that help neutralize other acids or bases.
Buffers
Sucrose is an example of a _________________.
Carbohydrate
___________ are formed by covalent bonds.
atoms
molecules
isotopes
ions
What happens to the electrons in a COVALENT bond?
electrons are shared
Water sticking to its container would be an example of _____________.
heat of vaporization
adhesion
cohesion
heat capacity
A(n) _______________ is a substance that speeds up the rate of a reaction.
catalyst
amino acid
polymer
monosaccharide
A weak attraction between a hydrogen atom and another atom is called a _______________.
Hydrogen Bond
____________ are special ___________ that speed up or slow down reactions.
Proteins, Triglycerides
Triglycerides, lipids
Enzymes, proteins
Enzymes, lipids
Lipase is an example of a _______________.
protein
With proteins, _____________ determines its function
none of these
shape
both shape & number of elements
number of elements
Which of the following doesn’t match up the proper monomer with its corresponding macromolecule?
none of these
lipid - amino acid
nucleic acid - nucleotide
carbohydrate - monosaccharide
The Phospholipid Bilayer is an example of a _______________.
lipid
Carbohydrates are made up of what three elements?
Carbon, Hydrogen, Oxygen
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