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Ap Bio Summer Vocab Flashcards

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14604392408Metabolismthe combination of chemical reactions through which an organism builds up or breaks down materials0
14604392409Reproductionthe process of producing offspring1
14604392410CellsThe basic unit of structure and function in all living things2
14604392411Hereditythe transmission of traits from one generation to the next3
14604392412Homeostasisrelatively constant internal physical and chemical conditions that organisms maintain; state of constancy4
14604392413life cycleAll of the events in the growth and development of an organism until the organism reaches sexual maturity.5
14604392414Hydrolysisthe chemical breakdown of a compound due to reaction with water.6
14604392415DehydrationA chemical reaction in which the water molecule is lost; the lack/removal of water7
14604392416Acidssubstances that release hydrogen ions when dissolved in water;proton donors8
14604392417BasesCompounds that reduce the concentration of hydrogen ions in a solution.;proton acceptors9
14604392418PolarityMolecules having uneven distribution of charges10
14604392419CohesionAttraction between molecules of the same substance11
14604392420AdhesionAn attraction between molecules of different substances12
14604392421hydrogen bondingstrong type of intermolecular dipole-dipole attraction. Occurs between hydrogen and F, O or N13
14604392422covalent bondinga bond formed when atoms share one or more pairs of electrons14
14604392423ionic bondingChemical bonding that results from the electrical attraction between cations and anions (oppositely charged)15
14604392424Parts of an atomprotons, neutrons, electrons16
14604392425organic compoundsCompounds that contain carbon17
14604392426Monomerssmall unit that can join together with other small units to form polymers18
14604392427Polymersmolecules composed of many monomers; makes up macromolecules19
14604392428Carbohydratesthe starches and sugars present in foods20
14604392429LipidsEnergy-rich organic compounds, such as fats, oils, and waxes, that are made of carbon, hydrogen, and oxygen.21
14604392430ProteinsChains of amino acids22
14604392431nucleic acidsa complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain.23
14604392432function of carbohydratesmain source of energy24
14604392433function of lipidslong term energy storage25
14604392434function of proteinsessential for the growth, development, and repair of all body tissues26
14604392435EnzymesCatalysts for chemical reactions in living things27
14604392436PancreasAn organ in the abdominal cavity with two roles. The first is an exocrine role: to produce digestive enzymes and bicarbonate, The second is an endocrine role: to secrete insulin and glucagon into the bloodstream to help regulate blood glucose levels.28
14604392437small intestineDigestive organ where most chemical digestion and absorption of food takes place29
14604392438VilliSmall fingerlike projections on the walls of the small intestines that increase surface area30
14604392439ProkaryoticAn organism whose cells do not have an enclosed nucleus, such as bacteria.31
14604392440EukaryoticCell with a nucleus (surrounded by its own membrane) and other internal organelles.32
14604392441cell membranethin, flexible barrier around a cell; regulates what enters and leaves the cell33
14604392442MitochondriaPowerhouse of the cell, organelle that is the site of ATP (energy) production34
14604392443ChloroplastAn organelle found in plant and algae cells where photosynthesis occurs35
14604392444Lysosomescell organelle filled with enzymes needed to break down certain materials in the cell such as good and warm out cell parts36
14604392445Ribosomessite of protein synthesis is the cell37
14604392446Smooth Endoplasmic Reticulum (Smooth ER)The portion of the endoplasmic reticulum that does not have ribosomes attached to it. Involved in synthesis and secretion of lipids.38
14604392447Rough Endoplasmic ReticulumSystem of internal membranes within the cytoplasm. Membranes are rough due to the presence of ribosomes. functions in transport of substances such as proteins within the cytoplasm39
14604392448Golgi apparatusA system of membranes that modifies and packages proteins for export by the cell40
14604392449cell wallA rigid structure that surrounds the cell membrane and provides support to the cell41
14604392450VacuolePlant Cell organelle that stores materials such as water, salts, proteins, and carbohydrates42
14604392451NucleolusFound inside the nucleus and produces ribosomes43
14604392452Chromosomesa threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.44
14604392453passive transportthe movement of substances across a cell membrane without the use of energy by the cell45
14604392454active transportthe movement of materials through a cell membrane using energy46
14604392455Hypertonicwhen comparing two solutions, the solution with the greater concentration of solutes47
14604392456Hypotonicwhen comparing two solutions, the solution with the lesser concentration of solutes48
14604392457IsotonicHaving the same solute concentration as another solution.49
14604392458cell respiration equationC6H12O6 + 6O2 ----> 6CO2 + H2O + ATP50
14604392459Photosynthesis equation6CO2 + 6H2O ------> C6H12O6 + 6O251
14604392460Virusestiny particles which must invade living cells in order to reproduce; when they invade, the cells are damaged or destroyed in the process releasing new particles to infect other cells52
14604392461bottleneck effectA change in allele frequency following a dramatic reduction in the size of a population53
14604392462founder effectchange in allele frequencies as a result of the migration of a small subgroup of a population54
14604392463genetic driftA change in the allele frequency of a population as a result of chance events rather than natural selection.55
14604392464DarwinEnglish natural scientist who formulated a theory of evolution by natural selection (1809-1882)56
14604392465LamarckFrench naturalist who proposed that evolution resulted from the inheritance of acquired characteristics (1744-1829)57
14604392466AutotrophOrganisms that make their own food58
14604392467Heterotrophorganism that obtains energy from the foods it consumes but does not make; also called a consumer59
14604392468Transcription(genetics) the organic process whereby the DNA sequence in a gene is copied into mRNA60
14604392469TranslationProcess by which mRNA is decoded and a protein is produced61
14604392470Codominancea form of dominance where in the alleles of a gene pair in a heterozygote are fully expressed. This results in offspring with a phenotype that is neither dominant nor recessive62
14604392471incomplete dominanceCases in which one allele is not completely dominant over another, a mix63
14604392472sex-linked traitsA trait associated with a gene that is carried only by the male or female parent.64
14604392473Karyotypethe number and visual appearance of the chromosomes in the cell nuclei of an organism or species.65
14604392474allopatric speciationThe formation of a new species as a result of an ancestral population's becoming isolated by a geographic barrier.66
14604392475peripatric speciationA specific kind of allopatric speciation in which a few individuals (smaller group) from a mainland population disperse to a new location remote from the original population and evolve separately.67
14604392476parapatric speciationspeciation occurring when two populations have continuous distributions and some phenotypes in that distribution are more favorable than others68
14604392477sympatric speciationThe formation of a new species as a result of a genetic change that produces a reproductive barrier between the changed population (mutants) and the parent population. No geographic barrier is present.69
14604392478artificial speciationProcess by which people create a new species of organism my selective breeding70
14604392479blood typesA, B, AB, O71
14604392480cell cycleThe regular sequence of growth and division that cells undergo72
14604392481cell mitosisa type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth. https://www.yourgenome.org/sites/default/files/illustrations/process/mitosis_yourgenome.png73
14604392482Cell Meiosisa type of cell division that results in four daughter cells each with half the number of chromosomes of the parent cell, as in the production of gametes and plant spores. https://www.yourgenome.org/sites/default/files/illustrations/process/meiosis_yourgenome.png74
14604392483natural selectionA process in which individuals that have certain inherited traits tend to survive and reproduce at higher rates than other individuals because of those traits.75
14604392484directional natural selectionA form of selection that selects against one of two extremes and leads over time to a change in a trait.76
14604392485stabilizing natural selectiona type of natural selection that eliminates extremes. Average phenotypes favorable77
14604392486artificial selectionSelection by humans for breeding of useful traits from the natural variation among different organisms78
14604392487MutationsRandom errors in gene replication that lead to a change in the sequence of nucleotides. The source of all genetic diversity.79
14604392488MigrationForm of relocation diffusion involving permanent move to a new location.80

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