AP Biology – Review Terms (701)

Unit 1

Element

Compound

Essential elements

Neutron

Proton

Electron

Isotope

Potential energy

Kinetic energy

Valence electrons

Molecule

Nonpolar covalent bond

Polar covalent bond

Cation

Anion

Ionic bond

Hydrogen

Van der Waals interactions

Chemical reaction

Reactant

Product

Chemical equilibrium

Cohesion

Adhesion

Surface tension

Calorie

Kcal

Joule

Solute

Solvent

Hydrophilic

Hydrophobic

Mole

Molarity

Acid

Base

Buffer

Macromolecule

Hydrocarbons

Hydroxyl group

Carbonyl group

Carboxyl group

Amino group

Sulfhydryl group

Phosphate group

Methyl group

ATP

ADP

Polymer

Monomer

Dehydration synthesis

Hydrolysis

Carbohydrate

Monosaccharide

Starch

Glycogen

Cellulose

Chitin

Lipid

Fats

Triglyceride

Saturated fatty acid

Unsaturated fatty acid

Phospholipid

Steroid

Cholesterol

Catalyst

Polypeptide

Protein

Amino acid

Peptide bond

Denaturation

Nucleic acid

DNA

RNA

Nucleotide

Unit 2

Organelle

Cytosol

Prokaryote

Nucleoid

Cytoplasm

Eukaryote

Plasma membrane

Nucleus

Nuclear envelope

Chromosomes

Chromatin

Nucleolus

Ribosome

Endomembrane system

SER

RER

Glycoprotein

Transport vesicle

Golgi apparatus

Lysosome

Vacuole

Mitochondria

Chloroplast

Endosymbiont theory

Cristae

Mitochondrial matrix

Thylakoids

Plastids

Peroxisome

Cytoskeleton

Microtubules

Centrioles

Cilia

Flagella

Microfilaments

Intermediate filaments

Cell wall

Extracellular matrix

Plasmodesmata

Tight junctions

Desmosomes

Gap junctions

Selective permeability

Amphipathic molecules

Integral protein

Peripheral protein

Transport proteins

Aquaporins

Diffusion

Passive transport

Osmosis

Isotonic

Hypertonic

Hypotonic

Plasmolysis

Facilitated diffusion

Active transport

Membrane potential

Exocytosis

Endocytosis

Phagocytosis

Pinocytosis

Receptor-mediated endo.

Phosphorylation

Metabolism

Catabolic pathway

Anabolic pathway

1st Law of thermodynamics

2nd Law of thermodynamics

Entropy

Exergonic reaction

Endergonic reaction

Catalyst

Enzyme

Activation energy

Substrate

Active site

Coenzyme

Competitive inhibitor

Noncompetitive inhibitor

Allosteric regulation

Feedback inhibition

Fermentation

Aerobic respiration

Anaerobic respiration

Cellular respiration

Oxidation

Reduction

Electron transport chain

Glycolysis

Citric acid cycle

Krebs cycle

Oxidative phosphorylation

Substrate-level phosphorylation

Acetyl CoA

Cytochromes

ATP synthase

Chemiosmosis

Alcohol fermentation

Pyruvate

FAD+

Lactic acid fermentation

Obligate anaerobe

Facultative anaerobe

Photosynthesis

Autotroph

Heterotroph

Chlorophyll a

Chlorophyll b

Stomata

Stroma

Light reactions

Calvin cycle

NADP+

Photophosphorylation

Carbon fixation

Photon

Carotenoid

PS II

PS I

G3P

Rubisco

RuBP

C3 plant

C4 plant

CAM plant

Unit 3

Somatic cells

Gametic cells

Sister chromatids

Centromere

Mitosis

Cytokinesis

Interphase

G1 phase

S phase

G2 phase

Prophase

Prometaphase

Metaphase

Anaphase

Telophase

Kinetochores

Cleavage

Cell plate

Binary fission

G1 checkpoint

G0 phase

Growth factors

Density-dependent inhibition

Gene

Locus

Asexual reproduction

Sexual reproduction

Karyotype

Homologous chromosomes

Autosomes

Sex chromosomes

Diploid

Haploid

Fertilization

Zygote

Meiosis I

Meiosis II

Prophase I

Synapsis

Crossing over

Chiasmata

Metaphase I

Anaphase I

Telophase I

Prophase II

Metaphase II

Anaphase II

Telophase II

Recombinant chromosomes

True-breeding

P generation

F1 generation

F2 generation

Dominant allele

Recessive allele

Law of segregation

Punnett square

Homozygous

Heterozygous

Phenotype

Genotype

Testcross

Monohybrid

Dihybrid

Law of independent assortment

Complete dominance

Incomplete dominance

Codominance

Pleiotropy

Epistasis

Polygenic

Multifactorial

Pedigree

Carriers

Wild-type

Sex-linked gene

Barr body

Linked genes

Genetic recombination

Nondisjunction

Aneuploidy

Monosomy

Trisomy

Polyploidy

Deletion

Duplication

Inversion

Translocation

Transformation

Bacteriophage

Double helix

Antiparallel

Semiconservative model

Origin of replication

Replication fork

Helicase

Topoisomerase

RNA primer

Primase

DNA polymerase

Leading strand

Lagging strand

Okazaki fragments

DNA ligase

Nuclease

Telomerase

Heterochromatin

Euchromatin

Plasmid

Recombinant DNA

Restriction enzymes

Gel electrophoresis

Sticky ends

PCR

DNA sequencing

Transcription

mRNA

Translation

Ribosome

Codon

Reading frame

RNA polymerase

Promoter

TATA box

Intron

Exon

RNA splicing

Spliceosome

Ribozyme

tRNA

anticodon

rRNA

P site

A site

E site

Mutation

Point mutation

Silent mutation

Missense mutation

Nonsense mutation

Frameshift mutation

Mutagen

Carcinogen

Operator

Operon

Repressor

Regulatory gene

trp operon

lac operon

Inducer

Activator

Epigenetics

miRNAs

siRNAs

RNAi

Biotechnology

Reverse transcriptase

Genetically modified

Transgenic organisms

Gene therapy

STRs

SNP

Proteomics

Unit 4

Evolution

Taxonomy

Paleontology

Adaptation

Natural selection

Artificial selection

Biogeography

Homologous structures

Vestigial structures

Convergent evolution

Analogous structures

Endemic

Phylogeny

Taxonomy

DKPCOFGS

Taxon

Sister taxa

Homoplasies

Cladistics

Monophyletic

Paraphyletic

Polyphyletic

Ancestral

Derived

Outgroup

Horizontal gene transfer

Microevolution

Macroevolution

Population

Gene pool

Hardy-Weinberg principle

Genetic drift

Founder effect

Bottleneck effect

Gene flow

Directional selection

Disruptive selection

Stabilizing selection

Sexual selection

Sexual dimorphism

Intrasexual selection

Intersexual selection

Heterozygote advantage

Speciation

Reproductive isolation

Hybrids

Prezygotic barriers

Habitat isolation

Temporal isolation

Behavioral isolation

Mechanical isolation

Gametic isolation

Postzygotic barriers

Reduced hybrid viability

Reduced hybrid fertility

Species concepts

Allopatric speciation

Sympatric speciation

Punctuated equilibrium

Radiometric dating

Stromatolites

Adaptive radiation

Paedomorphosis

Unit 5

Peptidoglycan

Endospore

Pili

Photoautotrophy

Chemoautotrophy

Photoheterotrophy

Chemoheterotrophy

Nitrogen fixation

Biofilm

Conjugation

Methanogens

Bioremediation

Protist

Algae

Choanoflagellates

Unit 6

Tissue

Organ

Organ system

Epithelial

Connective

Muscle

Nervous

Homeostasis

Negative feedback

Thermoregulation

Endothermic

Ectothermic

Vasodilation

Vasoconstriction

Countercurrent exchange

Hypothalamus

Endocrine system

Nervous system

Hormones

Pancreas

Pituitary gland

Oxytocin

ADH

Positive feedback

Epinephrine

Osmoregulation

Osmolarity

Urea

Uric acid

Aldosterone

Vitamins

Minerals

Peristalsis

Amylase

Pharynx

Esophagus

Pepsin

Small intestine

Duodenum

Bile

Liver

Gallbladder

Microvilli

Colon

Large intestine

Insulin

Glucagon

Open circulatory system

Closed circulatory system

Arteries

Arterioles

Capillaries

Venules

Veins

Atrium

Ventricle

AV valve

Semilunar valves

SA node

AV node

Systole

Diastole

Lymph nodes

Plasma

Hemoglobin

Leukocytes

Bronchi

Bronchioles

Alveoli

Diaphragm

Myoglobin

Innate immunity

Adaptive immunity

Interferons

Mast cells

T cells

B cells

Antigen

Epitope

Antibody

Effector cells

Memory cells

Primary immune response

Secondary immune response

Humoral immune response

Cell-mediated immune response

Helper T cell

MHC molecule

Cytotoxic T cells

Active immunity

Passive immunity

Allergens

Autoimmune diseases

Egg

Sperm

Gonads

Ovulation

Spermatogenesis

Oogenesis

FSH

LH

Testosterone

Progesterone

Estrogen

Blastula

Gastrulation

Gastrula

Ectoderm

Endoderm

Mesoderm

Neuron

Dendrite

Axon

Synapse

Glial cell

Sensory neuron

Interneuron

Motor neuron

Peripheral nervous system

Central nervous system

Resting potential

Gated ion channels

Hyperpolarization

Depolarization

Action potential

Voltage gated

Threshold

Refractory period

Myelin sheath

Schwann cells

Nodes of Ranvier

EPSPs

IPSPs

Acetylcholine

GABA

Endorphins

Sympathetic division

Parasympathetic division

Mechanoreceptors

Electromagnetic receptors

Thermoreceptors

Pain receptors

Chemoreceptors

Myofibrils

Sarcomere

Tropomyosin

Myoglobin

Fast-twitch fibers

Slow-twitch fibers

Hydrostatic skeleton

Exoskeleton

Endoskeleton

Pheromones

Innate behavior

Special learning

Associative learning

Social learning

Altruism

Unit 7

Taproot

Lateral root

Root hairs

Stem

Leaf blade

Petiole

Cuticle

Xylem

Phloem

Parenchyma

Collenchyma

Sclerenchyma

Meristem

Primary growth

Secondary growth

Apoplast

Symplast

Rhizobacteria

Nitrogen fixation

Nodules

Mycorrhizae

Transpiration

Abscisic acid

CAM

Alternation of generations

Endosperm

Monocot

Dicot

Apomixes

Totipotent

Tropism

Auxin

Cytokinins

Gibberellins

Ethylene

Unit 8

Community

Population

Abiotic

Biotic

Biome

Tropical rain forest

Savanah

Desert

Chaparral

Temperate grassland

Coniferous forest

Broadleaf forest

Tundra

Wetland

Estuary

Intertidal zone

pelagic zone

Benthic zone

Hydrothermal vents

Thermocline

Predation

Herbivory

Symbiosis

Mutualism

Facilitation

Parasitism

Competition

Commensalism

Immigration

Emigration

Survivorship curves

Exponential population growth

J curve

S curve

Carrying capacity

Density-dependent selection

Density-independent selection

Interspecific competition

Competitive exclusion

Niche

Resource partitioning

Character displacement

Aposematic coloration

Mimicry

Invasive species

Food web

Trophic level

Keystone species

Ecological succession

Producers

Consumers

Detritivores

Primary production

GPP

NPP

Eutrophication

Production efficiency

Biogeochemical cycles

Endangered species

Threatened species

Extinction vortex

MVP

Biodiversity

Biological magnification

Greenhouse effect