DNA REGION IN PROKARYOTES
NUCLEOID REGION
SITE OF RIBOSOMAL RNA SYNTHESIS
IT HAS NO MEMBRANE
NUCLEOLUS
COLLECT AND BREAK DOWN MATERIAL.
PEROXISOMES (OXIDATIVE ORGANELLES)
ACCEPT mRNA TO MAKE PROTEINS
BOUND RIBOSOMES
ROUGH ENDOPLASMIC RETICULUM (SMALLEST ORGANELLE)
DETOXIFY AND SYNTHESIZE LIPIDS; LACKS RIBOSOMES
SMOOTH ENDOPLASMIC RETICULIM
MODIFY PRODUCTS IN ER, DISTRIBUTE PROTEINS; FOUND ONLY IN EUKARYOTES.
GOLGI APPARATUS/BODIES (SHIPPING AND RECEIVING CENTER OF THE CELL)
PULL CHROMOSOMES APART
CENTRIOLES
MEMBRANOUS SAC OF HYDROLYTIC ENZYMES THAT CAN DIGEST MACROMOLECULES; CONTAINS A SINGLE MEMBRANE
LYSOSOMES (DEMOLISHING AND RECYCLING CENTER OF THE CELL)
FOUND IN PROKARYOTES AND BACTERIA
PLASMIDS
SITE OF CELLULAR RESPIRATION
MITOCHONDRIA (POWERHOUSE OF THE CELL)
FLATTENED MEMBRANOUS SACS IN GOLGI APPARATUS
CISTERNAE
BIOSYNTHETHIC FACTORY OF THE CELL
ENDOPLASMIC RETICULUM
MADE UP OF COMPLEXES OF RIBOSOMAL RNA AND PROTEIN
RIBOSOMES
REGULATES PROTEIN TRAFFIC AND PERFORMS METABOLIC FUNCTIONS OF THE CELL
ENDOMEMBRANE SYSTEM
LARGE VESICLES DERIVED FROM ER AND GOLGI APPARATUS.
VACUOLES
FOUND IN CELL WALL OF PLANTS AND ALGAE
CHLOROPLASTS (SITE OF PHOTOSYNTHESIS)
INFORMATION CENTER OF THE CELL
CONTAINS MOST OF CELL'S GENES
NUCLEUS (MOST CONSPICUOUS ORGANELLE)
ENCLOSES THE NUCLEUS, SEPARATING IT FROM THE CYTOPLASM
NUCLEAR ENVELOPE
ANUCELATED AND MEMBRANE BOUND ORGANELLES
PROKARYOTIC CELL
CONTAIN MEMBRANE BOUND ORGANELLES
EUKARYOTIC CELL
REGULATE ENTRY AND EXIT OF MOLECULES FROM THE NUCLEUS
PORES
A SELECTIVE BARRIER THAT ALLOWS SUFFICIENT PASSAGE OF OXYGEN, NUTRIENTS AND WASTE/
PLASMA MEMBRANE
PROTEIN COAT IN VIRUSES
CAPSIDS
PROCESS WHEREIN LYSOSOMES RECYCLE ORGANELLES AND MACROMOLECULES USIGN ENZYMES
AUTOPHAGY
ENGULFMENT OR CELL EATING ANOTHER CELL
PHAGOCYTOSIS
MEMBRANOUS SACS FOUND IN CHLOROPLASTS
THYLAKOIDS
INTERNAL FLUID IN CHLOROPLASTS
STROMA
MEMBRANOUS FOLDS IN THE MITOCHONDRIA
LARGE SURFACE AREA FOR ENZYMES THAT SYNTHESIZE ATP
CRISTAE
NETWORK OF FIBERS THAT ORGANIZES STRUCTURES AND ACTIVITIES IN THE CELL
CYTOSKELETON
COMPONENTS OF THE CYTOSKELETON
MICROTUBULES (25 nm), MICROFILAMENTS (7 nm), INTERMEDIATE FILAMENTS (8-12 nm)
HOLLOW RODS CONSTRUCTED FROM TUBULIN
THICKEST COMPONENT OF THE CYTOSKELETON
CHROMOSOME MOVEMENTS IN CELL DIVISION
MICROTUBULES (25 nm) or TUBULIN POLYMERS
THINNEST COMPONENT OF THE CYTOSKELETON
FUNCTIONS MAINLY IN MUSCLE CONTRACTION, CELL MOTILITY, AND CYTOPLASMIC STREAMING IN PLANTS AND CELL DIVISION IN ANIMALS
MICROFILAMENTS (7 nm) or ACTIN FILAMENTS
GLOBULAR PROTEIN DIMERS IN MICROTUBULES
TUBULIN
MICROTUBULE ORGANIZING CENTER
ASSEMBLY OF SPINDLE MICROTUBULES IN ANIMAL CELLS
REPLICATES DURING INTERPHASE
CENTROSOME
ANCHORS THE CILIUM OR FLAGELLUM
BASAL BODY
MOTOR PROTEIN WHICH DRIVES THE BENDING MOVEMENTS OF A CILIUM OR FLAGELLUM
DYNEIN
MULTIPLE LAYERS OF PLANT CELL WALLS
PRIMARY CELL WALL, MIDDLE LAMELLA, AND SECONDARY CELL WALL (IN SOME)
THIN AND FLEXIBLE LAYER OF THE PLANT CELL WALL
PRIMARY
THIN LAYER BETWEEN PRIMARY WALLS OF ADJACENT CELLS IN PLANTS
MIDDLE LAMELLA
BACTERIOPHAGE LIFE CYCLE WHERE A VIRUS INTEGRATES INTO GENOME AS PROVIRUS OR PROPHAGE
LYSOGENIC
CHANNELS BETWEEN ADJACENT PLANT CELLS
PLASMODESMATA
LACK CELL WALLS BUT ARE COVERED BY AN ELABORATE EXTRACELLLULAR MATRIX (ECM)
ANIMAL CELLS
BACTERIA WITH THICK PEPTIDOGLYCAN AND THIN PEPTIDOGLYCAN RESPECTIVELY
GRAM POSITIVE BACTERIA (PURPLE);
GRAM NEGATIVE BACTERIA (PINK)
RECEPTOR PROTEINS IN THE PLASMA MEMBRANE OF ANIMAL CELLS
BOUND TO ECM PROTEINS
INTEGRINS
FUNGI CELL WALL
CHITIN
THESE INTERCELLULAR JUNCTIONS FACILITATE IN ADHESION, INTERACTION, AND COMMUNICATION OF NEIGBORING CELLS IN AN ANIMAL OR PLANT THROUGH DIRECT PHYSICAL CONTACT.
PLASMODESMATA, TIGHT JUNCTIONS, DESMOSOMES, AND GAP JUNCTIONS
RESTING PHASE OF CELL CYCLE
G0
PHASE WHEREIN DIVISION OF GENETIC MATERIAL IN THE NUCLEUS
MITOSIS
PHASES OF CELL CYCLE
MITOTIC (M) PHASE (includes mitosis and cytokinesis)
INTERPHASE (G1, S PHASE, G2 PHASE)
PHASES OF MITOSIS (PPMAT)
PROPHASE, PROMETAPHASE, METAPHASE, ANAPHASE, TELOPHASE
CELL DIVISION THAT YIELDS NONIDENTICAL DAUGHTER CELLS THAT HAVE ONE SET OF CHROMOSOMES
GAMETES ARE PRODUCED BY A VARIATION OF THIS KIND OF CELL DIVISION
MEIOSIS
NONREPRODUCTIVE CELLS THAT HAVE TWO SETS OF CHROMOSOMES
SOMATIC CELLS
REPRODUCTIVE CELLS THAT HAVE ONE SET OF CHROMOSOMES COLLECTIVELY KNOWN AS
GAMETES (SPERM AND EGG CELLS)
SEPARATED CHROMATIDS ARE CALLED
CHROMOSOMES
STRUCTURE MADE OF MICROTUBULES AND PROTEINS THAT CONTROLS CHROMOSOME MOVEMENT DURING MITOSIS
MITOTIC SPINDLE
MIGRATION OF TWO CENTROSOMES IN OPPOSITE ENDS OF THE CELL HAPPEN DURING
PROPHASE AND PROMETAPHASE
MITOTIC SPINDLE INCLUDES STRUCTURES
ASTER, CENTROSOME, SPINDLE MICROTUBULES
RADIAL ARRAY OF SHORT MICROTUBULES THAT EXTEND ROM EACH CHROMOSOME
ASTER
ATTACHMENT OF SPINDLE MICROTUBULES TO KINETOCHORES
PROMETAPHASE
PROTEIN COMPLEXES THAT ASSEMBLE ON SECTIONS OF DNA AT CENTROMERES
KINETOCHORES
IMAGINARY STRUCTURE AT THE MIDWAY POINT BETWEEN THE SPINDLE'S TWO POLES
METAPHASE PLATE
IN THIS PHASE, SISTER CHROMATIDS SEPARATE AND MOVE ALONG THE KINETOCHORE MICROTUBULES TOWARD OPPPOSITE ENDS OF THE CELL
ANAPHASE
BEGINS DURING ANAPHASE OR TELOPHASE
SPINDLE EVENTUALLY DISASSEMBLES
CYTOKINESIS
IN PLANT CELLS, A CELL PLATE FORMS DURING CYTOKINESIS WHILE IN ANIMAL CELLS IT OCCURS BY A PROCESS KNOWN AS
CLEAVAGE (CLEAVAGE FURROW IS FORMED)
TWO CHROMOSMES IN EACH PAIR ARE CALLED
HOMOLOGOUS CHROMOSOME OR HOMOLOGS
DETERMINES THE SEX OF THE INDIVIDUAL
X and Y chromosomes
UNITS OF HEREDITY AND ARE MADE OF SEGMENTS OF DNA
GENES
ORDERED DISPLAY OF THE PAIR OF CHROMOSOMES
KARYOTYPE
NUMBER OF CHROMOSOMES IN A SOMATIC CELL
46 CHROMOSOMES (2 SETS OF 23)
A CELL WITH TWO SETS OF CHROMOSOMES IS CALLED
DIPLOID CELL (2n)
UNION OF GAMETES
FERTILIZATION
HAPLOID NUMBER (SINGLE SET) OF CHROMOSOMES IN GAMETES
23 CHROMOSOMES
FERTILIZED EGG
ZYGOTE
NUMBER OF DAUGHTER CELLS IN A GAMETE (SEX) CELL DIVISION
THIS IS DUE TO THE REDUCTION OF CHROMOSOME SETS BY MEIOSIS FROM DIPLOID TO HAPLOID
4 DAUGHTER CELLS
NUMBER OF DAUGHTER CELLS IN A SOMATIC CELL DIVISION
2 DAUGHTER CELLS
THIS TYPE OF MEIOSIS SEPARATES HOMOLOGOUS CHROMOSOMES
MEIOSIS I
THIS TYPE OF MEIOSIS SEPARATES SISTER CHROMATIDS
MEIOSIS II
HOMOLOGOUS CHROMOSOMES LOOSELY PAIR UP AND ALIGNED GENE BY GENE AND NONSISTER CHROMATIDS EXCHANGE DNA SEGMENTS IN THIS PHASE
PROPHASE I
HOMOLOGOUS CHROMOSOMES LOOSELY PAIR UP IN THIS PROCESS
SYNAPSIS
ALIGNMENT GENE BY GENE AND NONSISTER CHROMATIDS EXCHANGE DNA SEGMENTS OCCUR IN THIS PROCESS
CROSSING OVER
X SHAPED REGIONS IN EACH HOMOLOGOUS PAIR
IT EXIST AT POINTS WHERE CROSSING OVER HAS OCCURRED
CHIASMATA
SPINDLE APPARATUS FORMS IN THIS PHASE
CHROMOSOMES MOVE TOWARD THE METAPAHASE PLATE
PROPHASE II
SISTER CHROMATIDS ARE ARRANGED AT THE METAPHASE PLATE AND
KINETOCHORES ATTACH TO MICROTUBULES EXTENDING FROM OPPOSITE POLES IN THIS PHASE
METAPHASE II
TETRADS LINE UP AT THE METAPHASE PLATE IN THIS PHASE
METAPHASE I
SISTER CHROMATIDS SEPARATE IN THIS PHASE
ANAPHASE II
PAIRS OF HOMOLOGOUS CHROMOSOMES SEPARATE IN THIS PHASE
ANAPHASE I
CHROMOSOMES ARRIVE AT OPPOSITE POLES
CHROMOSOMES BEGIN DECONDENSING
TELOPHASE II
NO CHROMOSOME REPLICATION OCCUR BETWEEN THE END OF MEIOSIS I AND BEGINNING OF MEIOSSIS II BECAUSE
CHROMOSOMES ARE ALREADY REPLICATED (SPECIFICALLY IN MEIOSIS I: DIPLOID (2n) to HAPLOID (n) daughter cells)
PLANT PATHOGENS
VIROID
NUMBER OF DAUGHTER CELLS AT THE END OF MEIOSIS
4 DAUGHTER CELLS
THEORY ON WHICH AN EARLY ANCESTOR OF EUKARYOTIC CELLS ENGULFED A NONPHOTOSYNTHETHICH PROKARYORIC CELL WHICH FORMED AN ENDOSYMBIONT RELATIONSHIP WITH ITS HOST-MERGED INTO A SINGLE ORGANISM: A EUKARYOTIC CELL WITH A MITOCHONDRION.
ENDOSYMBIONT THEORY
TWO KINDS OF PATHWAY IN THE CELL WALL OF PLANTS
APOPLASTIC PATHWAY (THROUGH THE CELL WALL)
SYMPLASTIC PATHWAY (THROUGH THE CYTOPLASM)
OCCURS DURING INTERPHASE BEFORE MITOSIS/MEIOSIS I BEGINS
DNA REPLICATION
THIS DIVISION OCCURS IN MEIOSIS I BECAUSE IT HALVES THE NUMBER OF CHROMOSOME SETS PER CELL FROM DIPLOID (2n) TO HAPLOID (n)
REDUCTIONAL DIVISION
THIS DIVISION OCCURS IN MEIOSIS II BECAUSE IHAPLOID CELLS DIVIDE TO PRODUCE HAPLOID DAUGHTER CELLS
EQUATIONAL DIVISION
INFECTIOUS PROTEINS THAT TRIGGER MISFOLDING
PRIONS
THIS PROCESS OCCURS WHEN GERM LAYERS DEVELOP A NERVOUS SYSTEM
NEURULATION
ALL PROKARYOTES DIVIDE BY
BINARY FISSION
CLASSIFICATIONS OF BACTERIA (SHAPE)
SPHERICAL -
ROD SHAPED -
SPIRAL SHAPED -
COCCI (Staphylococcus aureus)
BACILLI (Escherichia coli )
SPIRILLA (Helicobacter pylori) or SPIROCHETES (Treponema pallidum)
BACTERIA VIRUS
BACTERIOPHAGE