centrioles | | Composed of nine sets of triplet microtubules arranged in a ring. Pairs of centrioles are within the centrosome of an animal cell (s) |
glycoproteins | | The entire region between the nucleus and the plasma membrane in a eukaryotic cell. Term is also used for the interior of a prokaryotic cell |
eukaryotic | | A membranous sac of hydrolytic enzymes that an animal uses to digest all kinds of macromolecules |
motor | | The fluid outside the thylakoids, which contains the chloroplast DNA, and ribosomes as well as many enzymes |
peroxisome | | pump excess water out of a cell. "_________ vacuoles" |
chromosomes | | A stack of thylakoids |
mitochondrial | | A network of fibers extending throughout the cytoplasm |
fractionation | | focuses a beam of electrons through the specimen or onto its surface. "_____________ microscope" |
cytoplasm | | The ratio of an objects image size to its real size |
plastids | | Eating by engulfing smaller organisms or food particles |
cytosol | | A region often located near the nucleus that is considered to be a “microtubule-organizing center” |
nucleus | | Flattened, inter-connected sacs inside the chloroplast |
resolution | | Take cells apart and separate the major organelles from one another. "Cell ______" |
scanningelectron | | The in-between or middle-range sized of the three fibers that make up the cytoskeleton. "___________ filaments" |
rough | | Area of a prokaryotic cell where the DNA is concentrated |
organelles | | DNA concentrated in a region called the nucleoid, but no membrane separates this region from the rest of the cell. "___________ cell" |
nucleoid | | The discrete units of DNA that carry the genetic information; located inside the nucleus |
chloroplasts | | A netlike array of protein filaments that maintains the shape of the nucleus by mechanically supporting the nuclear envelope "nuclear _________" |
basalbody | | Visible light is passed through the specimen and then through the glass lenses. The lenses refract the light in such a waythat the image of the specimen is magnified when projected. "_____ microscope" |
plasmamembrane | | The infoldings of the inner membrane of the mitochondria |
centrosome | | proteins that interact with the cytoskeleton for cell motility. "___________ proteins" |
magnification | | The sites of photosynthesis; found only in plants and algae |
lamina | | A measure of the clarity of the image |
chromatin | | A large vacuole in many plants enclosed by a membrane called the tonoplast. "_______ vacuole" |
golgiapparatus | | Has a true nucleus, bounded by a membranous nuclear envelope. "__________ cell" |
cristae | | A prominent structure within the nondividing nucleus where ribosomal RNA is synthesized |
cytoskeleton | | Outer surface lacks ribosomes. "______ ER" |
phagocytosis | | Contains most of the genes in a eukaryotic cell |
central | | The sites of cellular respiration |
stroma | | Proteins that have carbohydrates covalently bonded to them |
nucleolus | | Encloses the nucleus, separating its contents from the cytoplasm. "Nuclear _________" |
microtubules | | The center of manufacturing, warehousing, sorting, and shipping in a cell (two words) |
thylakoids | | Has ribosomes that stud the outer surface. "_____ ER" |
vesicle | | At the boundary of every cell; Functions as a selective barrier that allows sufficient passage of oxygen, nutrients, and wastes to service the entire volume of the cell (two words) |
smooth | | Formed by phagocytosis and fuses to a lysosome. "______ vacuoles" |
endoplasmic | | The thickest of the three fibers that make up the cytoskeleton |
prokaryotic | | a microbody containing enzymes that transfer hydrogen from various substrates to oxygen, producing and then degrading to hydrogen peroxide |
dynein | | families of closely related plant organelles that include chloroplasts, chromoplasts, and amyloplasts |
transmission | | – locomotor appendages that protrude from some cells. "_____ and ______" (two words) |
light | | – a large protein composed of several polypeptides |
microfilaments | | Vesicles in transit from one part of the cell to another. "_________ vesicles" |
flagellacilia | | subcellular structures |
electron | | Anchors the flagellum or cilium to the cell. Structurally identical to a centriole. (two words) |
endomembrane | | The thinnest of the three fibers that make up the cytoskeleton |
granum | | especially useful for detailed study of the surface of a specimen. "_________ _________ microscope" (two words) |
lysosome | | The compartment of the mitochondria enclosed by the inner membrane; contains many different enzymes as well as the mitochondrial DNA and ribosomes. "_______________ matrix" |
contractile | | A sac made out of membrane inside of cells |
food | | Used to study the internal ultrastructure of cells "_________ electron microscope" |
envelope | | An extensive network of membranes that accounts for more than half the total membrane in many eukaryotic cells "_______ reticulum" |
intermediate | | Semifluid substance within the plasma membrane, in which organelles are found |
mitochondria | | can spin as fast as 130,000 revolutions per minute and apply forces on particles of more than 1 million times the force of gravity (s) |
transport | | A complex of protein and DNA that makes up chromosomes |
ultracentrifuges | | Made up of different parts of the eukaryotic cell, and carries out a variety of tasks in the cell. "________________ system" |