Miami University MBI 111 Exam 2 || with 100% Error-free
Answers.
Carolus Linnaeus correct answers wrote Systema Naturae, put plant and animal forms into one
classification scheme
binomial system correct answers name consists of the genus and the species modifier
Whittaker system (1959) correct answers Plants
Animals
Fungi
Protists
Monera, drawn on trees
Woese-Fox system (1975) correct answers Three domains - Bacteria, Archaea, and Eukarya
eukaryote correct answers has a nucleus, has organelles, plants and animals
organelles correct answers membrane-bound compartments where cellular functions occur
prokaryote correct answers nuclei, no membrane to contain DNA or compartmentalize functions
Shared features of prokaryotes and eukaryotes correct answers Cell membrane, ribosomes,
flagella, cell wall, cytoplasm, cytoskeleton
symbiosis correct answers fusion of primitive cells, bacteria became mitochondria,
cyanobacteria became chloroplasts
protozoa correct answers single-celled organisms, thousands of species exist, basic part of food
chains and webs, major cause of infectious disease
Characteristics of Protozoa correct answers eukaryotic, morphology, trophozoite, cyst
Morphology of protozoa correct answers size varies greatly
trophozoite correct answers feeding form, cytoplasm enclosed in membrane, no cell wall
cyst correct answers dormant form, cell wall protects against adverse conditions
Classification of Protozoa correct answers by means of locomotion (flagella, cilia, pseudopods)
Flagella (protozoa) correct answers whip like propels
Cilia (protozoa) correct answers hair like on sides, like oars that move together
, Pseudopods (protozoa) correct answers false feet, uses cytoskeleton
Habitat of Protozoa correct answers free-living in moist environments, some are parasitic in
plants or animals, others are symbiotic
Fungi correct answers eukaryotic (yeasts and molds)
Yeasts correct answers type of fungi, unicellular, fermentation of wine and beer, bread
production
Molds correct answers type of fungi, chains of cells(fuzzy mat), contamination of old bread
Morphology of fungi correct answers cells small, visible to naked eye
Characteristics of fungi correct answers mycelial (molds-multicellular), yeast (unicellular), may
be dimorphic, cell walls, spores
Mycelial correct answers molds- multicellular
Dimorphic correct answers yeast to mold
Spore correct answers dormant form of fungi, protects against adverse conditions
Habitat of fungi correct answers prefer dark, moist habitats containing organic material,
decomposers
3 basic shapes of Prokaryotes correct answers rods, spheres, and spirals
Rods (prokaryote) correct answers chain of rods
Spheres (prokaryote) correct answers chains or packets, coccus
Spirals (prokaryote) correct answers vibrios, spirilla, spirochetes
Vibrios correct answers type of spiral in prokaryote, short portion (curve)
Spirilla correct answers type of spiral in prokaryote, flagella on end (coil)
Spirochetes correct answers type of spiral in prokaryote, coil or helix
Gram stain correct answers first thing microbiologist will do with an unknown bacteria, positive
is dark purple, negative is pink
Flagella (prokaryote) correct answers locomotion, propels through fluids, corkscrew motion, act
as an invasin
