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AP Bio - Cellular Communication Flashcards

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5893397075Local SignalsCells communicating by direct contact0
5893397076Local RegulatorsMessenger molecules that travel short distances1
5893397077Paracrine SignalingLocal regulator released directly onto one cell by another2
5893397078Synaptic SignalingA nerve signal triggers the release of a local regulator onto a nearby cell3
5893397079HormonesChemical messengers that travel a long distance4
5893397080Signal Transduction PathwaySet of a step that triggers after a signal is received, it activates a certain response from a cell.5
5893397081ReceptionDelivery of a signal to a cell6
5893397082LigandsSignal Molecules, hormones.7
5893397083G protein-coupled-receptorMembrane receptor that activates a G protein when a ligand is present.8
5893397084G ProteinWhen activated, uses energy from GDP becoming GTP to turn on an enzyme.9
5893397085Receptor Tyrosine KinaseMembrane receptors that attach phosphates to tyrosines10
5893397086DimerWhen a ligand is present the two kinases form this, then trigger multiple transduction pathways.11
5893397087Ligand-gated Ion ChannelReceptor opens like a gate when a ligand is present to allow ions in12
5893397090Protein Kinasestransfer phosphates from ATP to protein (phosphorylation)13
5893397092Second MessengersSmall molecules that diffuse throughout the cell to carry the signal during transduction.14
5893397093ApoptosisControlled cellular death15
5893397094First Line of DefenseNonspecific barrier to keep out pathogens ex: skin, stomach acid, mucous membrane, cilia16
5893397095Second Line of DefenseNonspecific defense and inflammatory response initiated by chemical signals to attack and isolate invading pathogens17
5893397096Inflammatory Responsenonspecific defense against infection, characterized by redness, heat, swelling, and pain18
5893397097Histamineschemical signals that trigger vasodilation, increasing blood supply to area19
5893397098PhagocytesWhite blood cells that engulf invading pathogens e.g., neutrophils, macrophages20
5893397099Chemokineschemical signals secreted by blood vessel cells that attract more white blood cells (phagocytes) to the area21
5893397101Adaptive immunity(specific immunity) aquired ability to recognize and destroy a pathogen or its products. Requires exposure of the immune system to the pathogen22
5893397102LymphocyteWhite blood cell23
5893397103B CellsHumoral response by producing antibodies; activated by Helper T cells or free antigens24
5893397104T CellsCells created in the thymus that produce substances that attack infected cells in the body.25
5893397105Helper T CellSet off an alarm to the immune system that pathogens have broken through the body's line of defense; binds to class II MHC26
5893397106Cytotoxic T CellKills body cells that have been infected with pathogens; stimulated by antigens and helper T-cells27
5893397107MacrophagesCan engulf and digest pathogens and signal to the rest of the immune system that there is an invader28
5893397110Memory CellsResponsible for lifelong immunity by storing copy B and T cells to more quickly fight secondary infection29
5893397111AntibodyY-shaped protein with variable antigen bind region; slows pathogens to facilitate destruction30
5893397112AntigenIdentifying marker on the outside of a pathogen31
5893397113Passive ImmunityTemporary immunity where antibodies are transferred from another animal ex: mother transfers some of her antibodies to her nursing child32
5893397115Autoimmune diseaseA mistake in the immune system where the body does not properly distinguish self from nonself and attacks its own body cells33
5893397117Endocrine SystemReleases hormones, chemicals released by *ductless glands* into the blood stream that can have an effect anywhere in the body34
5893397118Tropic hormonesHormones that stimulate other endocrine glands to release their hormones35
5893397119PheromonesHormones released by one animal that affect other animals36
5893397132Positive FeedbackA type of regulation that responds to a change in conditions by initiating responses that will amplify the change. Takes organism away from a steady state.37
5893397133Negative FeedbackMetabolic pathway that helps maintain homeostasis38
5893593317cAMP molecule(Cyclic adenosine monophosphate) a second messenger important for intracellular signal transduction39

AP Hug: Population & Migration Flashcards

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5918307739crude birth rateannual number of live births per 1,000 people in the population0
5918307740crude death ratethe number of deaths per year per 1,000 people1
5918307741age distibutionaka population pyramid2
5918307742arithmetic population densitythe total number of people divided by the total land area - least accurate (does not take in to account areas that are uninhabited)3
5918307743carrying capacitylargest number of individuals of a population that a environment can support4
5918307744chain migrationa stream of people out of an area as first movers communicate with people back home stimulate others to follow later ex: mexicans moving to americans5
5918307745child mortality ratenumber of children who die between their 1st-5th year of their life6
5918307746cohortthe age bracket in a population pyramid category of people with something in common, usually their age7
5918307747cyclic movementmovement has a closed route/repeated daily ex: commuting to work8
5918307748demographic equationbirth-death+net migration calculates population change9
5918307749demographic momentumtendency for growing population to continue growing after a fertility declining because of their young age distribution once this happens a country moves to a different stage in the demographic transition model10
5918307750demographic transition modela sequence of demographic changes in which a country moved from high birth and death rates to low birth and death rates through time11
5918307751dependency rationumber of people who are too young/too old to work compared to those who are the right age to work ex: europe has a high dependency ratio cause there is more old people12
5918307752contagious diffusionhow disease spreads in a populations determines how disease spread ex: cholera13
5918307753distance decaybecomes less important/relevant further from origin14
5918307754doubling timetime it takes for the population to double (prediction) dt=70/percent of growth rate15
5918307755ecumeneparts of the earth that have been inhabited16
5918307756epidemiological transition modeldistinctive causes of death in each stage of the demographic transition model stage 1- famine, wild animal attacks stage 2-infectious diseases ex: malaria stage 3 and 4 are degenerative and human created diseases ex: cancer, heart disease, old age stage 5- reemergence of infectious and parasitic diseases17
5918307757eugenicsgovernment polices designed to favor one racial sector over others ex: Nazi, Hitler18
5918307758forced migrationforced to leave because of government polices or natural disasters19
5918307760gravity modela mathematical prediction of the interaction of places, the interaction being a function of population size of the respective places and the distance between them20
5918307762infant mortality ratethe total number of deaths in a year among infants under one year old for every 1,000 live births in a society21
5918307764internal migrationmovement within a country Ex: moving from illinois to california22
5918307765international migration and refugeespeople fleeing from their country and crossing borders23
5918307766interregional migrationmigration between regions (ie. moving from Northeast to South)24
5918307767intervening opportunitythe presence of a nearer opportunity that greatly diminishes the attractiveness of sites farther away ex: car breaks down and they decide to live in that town25
5918307768J-curvea growth curve that depicts exponential growth26
5918307769life expectancya figure indicating how long, on average, a person may be expected to live27
5918307770migratory movementmovement that consists of one person migrating from one place to another28
5918307771neo-malthusiansupport thomas mathus's views in the present, advocacy of population control programs to ensure enough resources for future populations29
5918307772periodic movementmovement that involves temporary recurrent relocation ex: military, college30
5918307773physiologic population densitythe number of people per square unit of arable land31
5918307774population densitymeasurement of the number of people per given unit of land32
5918307777population pyramida bar graph representing the distribution of population by age and sex33
5918307778push factorsencouragement for people to move from the region that they live in ex: genocide, dictatorship, environmental problems34
5918307779pull factorsreasons that attract people to a new region ex: well paying jobs, preferable weather conditions35
5918307780rate of natural increasecrude death rate- crude birthrate36
5918307781refugeea person who has been forced to migrate and cannot return due of fear of persecution based on their race, religion, nationality, membership in a social group, or political opinion37
5918307782rural urban migrationmigration between rural and urban areas38
5918307783s- curveleveling off an exponential, J-shaped curve when a rapidly growing population exceeds the carrying capacity of its environment and ceases to grow39
5918307784sex ratiothe proportion of males to females in a population40
5918307785stage 1low growth; high death and birth rates leads to a population that varies overtime with little long term growth41
5918307786stage 2rapidly declining death rates high birth rates high growth42
5918307787stage 3moderate growth significant natural increase declining birth rates and low death rates43
5918307788stage 4low growth stationary stage low birth and death rate44
5918307789stage 5Very low birth rates low death rates. Natural decrease. Japan and Europe.45
5918307790standard of livingquality of life based on the possion of necessities and luxuries that make life easier46
5918307791step mirgrationlong distance migration done in stages47
5918307793Thomas Malthusbelieved that population was exponential and food supply was linear48
5918307794transhumanceseasonal migration of livestock between mountains and lowland pastures49
5918307795voluntary migrationmovement in which people relocated in response to perceived opportunity, not because they are forced to move50
5918307796zero population growthwhen the birth rates equals the death rate51
5918307797DistributionHow things are spread across an area52
5918307798Agricultural densityNumber of farmers per unit of arable land - higher the agricultural density, less developed the country53
5918307799RNI/NIR(CBR-CDR)/1054
5918307800BoserupAnti Malthusian. Humans will always find a way to produce more food. Necessity breeds ingenuity.55
5918307801TFRNumber of children a woman is expected to give birth too in her lifetime.56
5918307802Replacement Level MDCTFR 2.157
5918307803FecundityYears in which a woman is able to conceive 15-4558
5918307804Expansive (pro-natalist) population policyCountries that encourage pop growth. May offer money, tax breaks, daycare. Denmark59
5918307805Restrictive (anti-Natalist) population policyCountries that want to limit population growth. China's One child policy60
5918307806ImmigrationMigrants entering a country61
5918307807EmmigrationMigrants leaving a country62
5918307808Ravenstein's Laws of MigrationLaws that show patterns of migration. For example most migration is rural to urban. Young males are the most likely migrants. Most migration takes place in steps.63
5918307809Zelinsky's Migration Transition ModelOverlay of the DTM. Where people are migrating based on development. 1 not much moving. 2 most likely to be international 3 & 4 mostly internal64
5918307810RemittancesGuest workers and migrants who send money back home to help your family. Large part of the economy typically in the receiving country.65
5918307811Guest Workerspeople legally working in countries on a visa to fill a labor need.66
5918307812Intervening ObstaclesSomething that prevents you from getting to your intended destination. Great Wall of China. Border patrol. Checking Passports.67

AP Biology Protein Synthesis Flashcards

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8537639123TranscriptionProcess that converts DNA Nucleic Acid language into RNA Nucleic Acid language.0
8537639124RNA Structure• Ribose sugar. • Nitrogen bases: Uracil, Adenine, Cytosine, Guanine. • Single stranded.1
8537639125Types of RNA• mRNA • tRNA • rRNA • siRNA2
8537639126Template StrandTranscribed DNA strand; the strand of DNA that is temporarily paired with the RNA.3
8537639127Coding StrandUntranscribed DNA strand; same sequence as RNA.4
8537639128Transcription BubbleWhere DNA unzips for transcription to begin.5
8537639129RNA Polymerase IOnly transcribes rRNA genes; makes ribosomes.6
8537639130RNA Polymerase IITranscribes genes into mRNA.7
8537639131RNA Polymerase IIIOnly transcribes tRNA genes.8
8537639132Promoter RegionBinding site before beginning of gene; for RNA Polymerase and transcription factors.9
8537639133TATA Box Binding SiteA DNA sequence in eukaryotic promoters crucial in forming the transcription initiation complex.10
8537639134Enhancer RegionBinding site far upstream of gene. Turns transcription on HIGH.11
8537639135Initiation ComplexTranscription factors bind to promoter region. Trigger the binding of RNA Polymerase to DNA.12
8537639136ExonsThe real gene; expressed/coding DNA.13
8537639137IntronsThe junk genetic material; INbetween sequence.14
8537639138mRNA SplicingPost-transcriptional processing; edits out introns.15
8537639139Pre-mRNAPrimary transcript of the process.16
8537639140Mature mRNAThe final product of mRNA splicing.17
8537639141snRNPsSmall nuclear RNA; proteins. Responsible for splicing RNA.18
8537639142SpliceosomeSeveral snRNPs. Recognize splice site sequence. "Cut and paste" gene.19
8537639143Alternative SplicingAlternative mRNAs produced from same gene; different segments treated as exons.20
8537639144Post-Transcriptional ProcessingNeed to protect mRNA on its trip from nucleus to cytoplasm; enzymes in cytoplasm attack mRNA.21
8537639145mRNA Caps5' GTP Cap and Poly-A Tail; longer tail, mRNA lasts longer: produces more protein.22
8537639146Reading FrameReading mRNA nucleotides in the correct groupings. If a single base is added or lost, it throws off the entire reading frame.23
8537639147TranslationFrom nucleic acid language to amino acid language.24
8537639148CodonA sequence of three nucleotides in mRNA that codes for a specific amino acid.25
8537639149Start CodonsAUG and Methionine.26
8537639150Stop CodonsUGA, UAA, and UAG.27
8537639151Anti-CodonGroup of three bases on a tRNA molecule that are complementary to an mRNA codon.28
8537639152tRNATransfer RNA: follows its complementary codon, carries a specific attached amino acid.29
8537639153RibosomesFacilitate coupling of tRNA anticodon to mRNA codon. Organelle/enzyme hybrid.30
8537639154Structure of RibosomesRibosomal RNA (rRNA) and proteins. Large and small subunits.31
8537639155A SiteHolds tRNA carrying next amino acid to be added to chain.32
8537639156P SiteHolds tRNA carrying growing polypeptide chain.33
8537639157E SiteExit site. Empty tRNA leaves ribosome from exit side.34
8537639158InitiationBrings together mRNA, ribosome subunits, initiator tRNA.35
8537639159ElongationAdding amino acids based on codon sequence.36
8537639160TerminationEnd codon.37
8537639161Protein Synthesis in ProkaryotesTranslation and transcription coupled, translation begins before transcription is completed.38

AP Biology Chapter 8 Flashcards

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5747955967metabolic pathwayA series of chemical reactions that either builds a complex molecule or breaks down a complex molecule into simpler compounds.0
5747955968catabolic pathwayA metabolic pathway that releases energy by breaking down complex molecules to simpler compounds.1
5747955969anabolic pathwayA metabolic pathway that consumes energy to synthesize a complex molecule from simpler compounds.2
5747955970bioenergeticThe study of energy flow or energy transformations into and within living systems.3
5747955971energyThe ability to cause change.4
5747955972kinetic energyThe energy an object has due to its motion.5
5747955973thermal energyKinetic energy associated with the random movement of molecules or atoms.6
5747955974potential energyThe energy that an object has because it's position, shape, structure, location, or condition.7
5747955975chemical energyA form of potential energy that is stored in chemical bonds between atoms.8
5747955976thermodynamicsThe study of energy transformations that occur in a collection of matter.9
5747955977first law of thermodynamicsEnergy can be transferred and transformed, but it cannot be created or destroyed.10
5747955978entropyA measure of disorder or randomness.11
5747955979second law of thermodynamicsEvery energy transfer or transformation increases the entropy of the universe.12
5747955980spontaneous processA process that can occur without an input of energy.13
5747955981free energyMeasures the portion of a system's energy that can perform work when temperature and pressure are uniform throughout the system, as in a living cell.14
5747955982exergonic reactionReaction that proceeds with a net release of free energy.15
5747955983endergonic reactionReaction that absorbs free energy from its surroundings.16
5747955984energy couplingThe use of an exergonic process to drive an endergonic one.17
5747955985ATPA molecule used to store energy temporarily in organisms. The molecule is broken down to release energy to drive metabolic processes. Contains the sugar ribose, with the nitrogenous base adenine and a chain of three phosphate groups bonded to it.18
5747955987enzymeA protein that increases the rate of a chemical reaction without being changed by the reaction.19
5747955988catalystA substance that initiates or accelerates a chemical reaction without itself being affected20
5747955989activation energyThe amount of energy needed for a reaction to occur.21
5747955990substrateThe reactant on which an enzyme works.22
5747955991enzyme-substrate complexA temporary complex formed when an enzyme binds to its substrate molecule(s).23
5747955992active siteThe part of an enzyme molecule where a substrate molecule attaches (by means of weak chemical bonds); typically, a pocket or groove on the enzyme's surface.24
5747955993induced fitThe change in shape of the active site of an enzyme so that it binds more snugly to the substrate, induced by entry of the substrate.25
5747955994cofactorAny nonprotein molecule or ion that is required for the proper functioning of an enzyme. They can be permanently bound to the active site or may bind loosely with the substrate during catalysis.26
5747955995coenzymeIf the cofactor is an organic molecule.27
5747955996competitive inhibitorAn enzyme inhibitor that competes with substrate for binding at the active site of teh enzyme. When the it is bound, no product can be made.28
5747955997noncompetitive inhibitorA substance that reduces the activity of an enzyme by binding to a location remote from the active site, changing its conformation so that it no longer binds to the substrate.29
5747955998allosteric regulationThe binding of a regulatory molecule to a protein at one site that affects the function of the protein at a different site.30
5747956000feedback inhibitionA method of metabolic control in which the end product of a metabolic pathway acts as an inhibitor of an enzyme within that pathway.31
5747956001Exergonic reaction32
5747956002Endergonic reaction33
5747956003ATP34
5747956004Normal binding35
5747956005Competitive inhibition36
5747956006Noncompetative inhibition37
5747956007Feedback inhibition38
5747956008Allosteric regulation39

AP Salud - EL CUERPO Flashcards

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8895343990la cabezahead0
8895343991los hombrosshoulders1
8895343992las rodillasknees2
8895343993los piesfeet3
8895343994la nariznose4
8895343995las orejasears5
8895343996la bocamouth6
8895343997los ojoseyes7
8895343998la espaldaback8
8895343999el brazoarm9
8895344000la cejaeyebrow10
8895344001el cabello/ el pelohair11
8895344002el cuerpobody12
8895344003el codoelbow13
8895344004las piernaslegs14
8895344005la frenteforehead15
8895344006los dedos de manofingers16
8895344007los dedos de pietoes17
8895344008los dientesteeth18
8895344009los labioslips19
8895344010La lenguatongue20
8895344011el cerebrobrain21
8895344012el corazónheart22
8895344013las caderaships23
8895344014la barbillachin24
8895344015los huesosbones25
8895344016la caraface26
8895344017las manoshands27
8895344018el cuelloneck28
8895344019el bigotemustache29
8895344020la barbabeard30
8895344022la gargantathroat31
8895344023la cinturawaist32
8895344024el tobilloankle33
8895344025el pulgarthumb34
8895344026el pechochest35
8895344027el estómagostomach36
8895344028las pestañaseyelashes37
8895344029las uñasnails38
8895344030los pulmoneslungs39
8895344031la muñecawrist40
8895344032la sangreblood41
8895344033la mejillacheek42
8895344034el ombligobellybutton43
8895344035los músculosmuscles44
8895344036los muslosthighs45
8895344037el párpadoeyelid46
8895344038la pielskin47
8895362548los riñoneskidneys48
8895366907las arteríasarteries49
8895369469las venasveins50
8895378076la columna verticalspinal column51
8895386004los intestinosintestines52
8895391014el oídoinner ear53
8895460345la pantorrillacalf muscle54
8895468568las costillasribs55

AP Psych: Monocular Cues Flashcards

Zesty visuals for your enjoyment~

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7556918425Relative HeightObjects higher in visual field are perceived as being farther away.0
7556918426Relative SizeAllows you to determine how close objects are to an object of known size1
7556918427InterpositionIf one object blocks another it is closer.2
7556918428Linear PerspectiveParallel lines appear to converge.3
7556918429Light and ShadowIndicate concavity/ convexity of objects and can relate their position relative to the ground4
7556918430Relative MotionCloser objects move faster5

Ap Biology Cell Organelles Flashcards

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7556426556ChloroplastSite of photosynthesis Converts solar energy into potential energy in the glucose molecule plant cells only0
7556426557Peroxisomesmakes hydrogen peroxide to detoxify alcohol or convert lipids to be used for energy plant and animal cells1
7556426564Contractile VacuoleOsmoregulation Takes water from cell then pushes the water out through cell membrane or wall Protists and algae2
7556426565Cell MembraneProtects cell from surroundings Allows certain substances in, keeps others out Phospholipid bilayer with proteins plant and animal3
7556426566NucleusBrain of cell contains dna plant and animal4
7556426567NucleolusNon-membranus structure involved in production of ribosomes; located in the nucleus plant and animal5
7556426568CentriolesSmall microtubles arranged in specific ways aids in cell division Animal only6
7556426569Ribosomescomplexes that makes proteins; free in cytosol or bound to rough ER or nuclear envelope plant and animal7
7556426570Golgi Apparatusorganelle active in synthesis, modification, sorting, and secretion of cell products Plant and animal8
7556426571Endoplasmic Reticulum Rough+Smoothnetwork of membranous sacs and tubes active in making and transporting proteins and lipids Plant and animal9
7556426572Mitochondriaorganelle where cellular resperation occurs and most ATP is generated plant and animal10
7556426573Lysosomesdigestive organelle where macromolecules are hydrolyzed (broken down); autophagy; apoptosis animal only11
7556426574Cytoskeletonreinforces cell's shape;functions in cell movement; components are made of protein plant and animal12
7556426578Central VacuoleLargest organelle in plant cell; maintains turgor pressure because it is inflated with water. plant only13
7556426579Cell Wallouter layer that maintains cell's shape and protects from damage made of cellulose and other polysachrides, and proteins Plant only14
7556426580Cilialocated on outside of cell. pushes cell forward; short, numerous, and hair-like plant and animal15
7556426581Flagellumlocated on the outside of a cell; used for locomotion whip like structure made of microtubles; 9 pair ring outside, 1 pair inside16

AP Terms #2 Flashcards

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7400022186Figurative Languagelanguage with levels of meaning expressed through figures of speech such as personification, metaphor, litote, etc.0
7400031225Flashbackan earlier event is inserted into the normal chronology of the narration1
7400036254Homilya sermon, but more contemporary uses include any serious talk, speech, or lecture involving moral or spiritual life2
7400050742Idioman accepted phrase or expression having a meaning different from the literal meaning3
7400059639Inverted ordered sentencea sentence (inversion) involves constructing a sentence so the predicate comes before the subject4
7400066789Isocolonparallel structure in which the parallel elements are similar not only in grammatical structure, but also in length5
7400077947Juxtapositionthe location of one thing adjacent to another to create an effect, reveal an attitude, or accomplish some other purpose6
7400092849Mooda feeling or ambience resulting resulting from the tone of a piece as well as the writer/narrator's attitude and point of view. It is a "feeling" that establishes the atmosphere in a work of literature or other discourse.7
7400121412Motifa pattern or strand of imagery or symbolism in a work of literature.8
7400134936Narrativea mode of discourse that tells a story of some sort and it is based on sequences of connected events, usually presented in a straightforward, chronological framework.9
7400151756Paradoxa statement that seems contradictory but may probably be true.10
7400168281Parallel Structure (Parallelism)the use of similar forms in writing for nouns, verbs, phrases, or thoughts. In prose, recurrent syntactical similarity where several parts of a sentence or several sentences are expressed alike to show that their ideas are equal in importance.11
7400184527Polysyndetonthe deliberate use of many conjunctions for special emphasis - to highlight quantity or mass of detail or to create a flowing, continuous sentences pattern; it slows the pace of the sentence.12
7400201442Prosethe ordinary form of written language without metrical structure in contrast to verse and poetry.13
7400210213Realismattempting to describe nature and life without idealization and with attention to detail.14
7400224490Repetitiona device in which words, sounds, and ideas are used more than once to enhance rhythm and to create emphasis.15
7400236823Sarcasma form of verbal irony in which apparent praise is actually critical. Can be light, and gently poke fun at something, or it can be harsh and mean.16
7400371528Similea direct, explicit comparison of one thing to another, using the words like or as.17
7400383822Stylethe manner in which a writer combines and arranges words, shapes ideas, and utilizes syntax and structure.18
7400390645Symbolismuse of a person, place, thing, event, or pattern that figuratively represents or "stands for" something else.19
7400403248Synecdochea figure of speech in which a part signifies a whole.20
7400415294Syntaxthe way words are put together to form phrases, clauses, and sentences. Basically, sentence structure.21
7400423943Tonethe attitude of the narrator/author has toward the subject and theme. Based on particular stylistic devices employed by the author.22
7400435673Voicethe acknowledged or unacknowledged source of the words of the story; the speaker's or narrator's particular "take" on an idea based on a particular passage.23
7400456085Hyperboleoverstatement characterized by exaggerated language, usually to make a point or draw attention.24

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