Microbiology Exam 1 (3)

Which of the following statements concerning prokaryotic flagella is TRUE? a) prokaryotic flagella move in a whip like manner b) prokaryotic flagella are anchored to the cell wall by the basal body c) A spirochete is a bacterium that has a tuft of polar flagella d) prokaryotic flagella are composed of tubulin e) many motile bacteria have an amphitrichous polar flagellar arrangment

b) prokaryotic flagella are anchored to the cell wall by the basal body

Which of the following is paired incorrectly? a) bacteria - peptidoglycan cell wall b) protozoa - glycogen cell wall c) fungi - chitin cell wall d) archaea - polysaccahride cell wall e) plants - cellulose cell wall

b) protozoa - glycogen cell wall (protozoa do not have cell walls)

Which of the folloiwng statements about the ER correct? a) the ER is a lipid storage organelle b) the ER is a transport system within cytoplasm c) the SER has ribosomes associated with it d) the RER is the site of lipid synthesis e) the SER is a site of ATP synthesis

b) the ER is a transport system within cytoplasm

Which of the following is NOT a component of bacterial flagella? a) hook b) tubulin c) filament d) flagellin e) basal body

b) tubulin

The term for the use of microorganisms to restore damaged environment is a) serology b) chemotherapy c) bioremediation d) ecology e) epidomiology

c) bioremediation

biogenesis refers to the a) germ theory of disease b) spontaneous generation of organisms from nonliving matter c) development of life forms from preexisting life forms d) development of aseptic technique

c) development of life forms from preexisting life forms

Who is "Father of Surgery?" a) semmelweis b) nightingale c) lister d) snow e) ehrlich

c) lister

Which of the following is a function of the golgi apparatus a) protein synthesis b) intracellular digestion c)protein modification d) drug detox e) cellular respiration

c) protein modification

Which of the following is NOT a functionally analogous pair? a) nucleus - nucleoid region b) microtubules - flagellin c) mitochondria - prokaryotic plasma membrane d) cilia - pili e) 80s ribosome - 70s ribosome

d) cilia - pili

Who discovered Penicillin? a) kitasato b) pasteur c) ehrlich d) fleming e) domagk

d) fleming

Which of the following statements about fungi is FALSE? a) molds form hyphae b) fungi are eukaryotes c) fungi have a cell wall d) fungi are photosynthetic e) yeasts are unicellular

d) fungi are photosynthetic

Lipid A is a compont of a) mycolic acid b) plant cell walls c) cytoplasmic membranes d) lipopolysaccahrides e) bacterial glycocalyces

d) lipopolysaccahrides

Fungal infections are studied by a) parasitologists b) herpetologists c) virologists d) mycologists e) bacteriologist

d) mycologists

Which of the following organelles is NOT defined by a membrane? a) lysosome b) chloroplast c) golgi apparatus d) ribosome e) ER

d) ribosome

Bacteria of the genus Mycoplasma are distinguished from other bacterial cells by a) unique ribosomes b) cell walls composed solely of amino acids c) the absence of cytoplasmic membrane d) the absence of a cell wall e) the presence of mycolic acid in their cell walls

d) the absence of a cell wall

Which of the following statements about algae is FALSE? a) they provide most of the oxygen on Earth b) the group include seaweeds and keps c) they are photosynthetic organisms d) they are important in the degradation of dead plants and animals e) they can be unicellular or multicellular

d) they are important in the degradation of dead plants and animals

Which of the following is NOT a characteristic of viruses? a) they are composed of genetic material and protein b) they are acellular c) they are smaller then prokaryotic cells d) they are visible without a light microscope e) they are obligatory parasties

d) they are visible without a light microscope

Which of the following statements is INCORRECT regarding prokayotic cells a) they reproduce by binary fission b) their DNA is not enclosed within a membrane c) they lack membrane enclosed organelles d) they lack a plasma membrane e) they typically have a circular chromosome

d) they lack a plasma membrane

Development of emerging infectious disease can be a result of all the following EXCEPT a) modern transportation b) microbial mutation c) changes in the environment d) use of genetically modified foods e) overuse of antibiotics

d) use of genetically modified foods

______ is the physician first associated with vaccination a) Lister b) Koch c) Pasteur d) Escherich e) Jenner

e) Jenner

Which of the following may be a component of bacterial cell walls? a) lipteichoic acids b) mycolic acids c) murein d) lipopolysaccahrides e) all the above

e) all the above

Protozoan motility structures include a) flagella b) pseudopods c) cilia d) cilia and pseudopods only e) cilia, flagella, and pseudopods

e) cilia, flagella, and pseudopods

If a cell's lysosomes burst, the cell would a) become flaccid b) shrivel c) need to manufacture more lysosomes d) divide into two cells e) digest itself

e) digest itself

Which of the following statements is TRUE? a) a cell can produce many endospores b) a cell can produce one endospore and keeps growing c) endospores are easily stained in gram stains d) endospores are for reproduction e) endospores allow a cell to survive environmental changes

e) endospores allow a cell to survive environmental changes

Which of the following may have cell walls containing teichoic acids? a) gram negative bacteria b) archaea c) all prokaryotes d) both gram positive and gram negative bacteria e) gram positive bacteria

e) gram positive

The arguments supporting spontaneous generation were finally disproved by a) Spalianzani b) Virchow c) Neeham d) Redi e) Pasteur

e) pasteur

Question that largely resembles the research of microbes during the Golden Age of Microbiology? a) how can microorganisms be seen? b) what causes disease? c) How should living organisms be classified d) Is spontaneous generation of microbes possible? e) what causes disease. and is spontaneous generation of microbes possible?

e) what causes disease and is spontaneous generation of microbes possible?

Which structures act like an "invisibility cloak" and protects bacteria from being phagocytized a) cell wall b) capsule c) slime layer d) fimbriae e) cell membrane

b) capsule

Which of the following prokaryotic cells contain an outer membrane? a) gram positive bacteria b) gram negative bacteria c) both gram negative and gram positive bacteria d) arechaea e) all prokarytoes

b) gram negative bacteria

The formal system for classifying and naming organisms was developed by a) Koch b) linnaeus c) semmelweis d) aristotle e) pasteur

b) linnaeus

Which of the following chemical substance contributes to the unique characteristics of acid-fast bacteria? a) lipoteichoic acid b) mycolic acid c) N-acetylglucosamine d) endotoxin e) peptidoglycan

b) mycolic acid

Some members of _________ have pseudomurein a) archaea b) bacteria c) eukaroyotes d) both archaea and bacteria e) both bacteria and eukaryotes

a) archaea

Short hairlike structures used only by eukaryotic cells for movement are called a) cilia b) fimbriae c) flagella d) pili e) pseudopods

a) cilia

Which of the following structure is NOT found in some prokaryotic cells? a) cilium b) flagellum c) peritrichous flagella d) axial filament e) pilus

a) cilium

The study of the body's defenses against pathogens is called a) immunology b) molecular biology c) etiology d) chemotherapy e) epidemiology

a) immunology

The DNA found is most bacterial cells a) is circular in structure b) utilizes histones from chromosomal packaging c) is surrounded by a nuclear membrane d) is linear in structure e) is found in multiple copies

a) is circular in structure

Which of the statements is generally NOT true? a) microbial cells include both bacteria and viruses b) microbial cells carry out their life c) microbial cells exist as single cells d) microbial cells exclude the cells plants and animals

a) microbial cells include both bacteria and viruses

What name is given to the organelle that manufactures the components of ribosomes? a) nucleolus b) nucleus c) ER d) cytoplasm

a) nucleolus

Which of the following pairs is mismatched? a) nucleolus - DNA b) lysosomes - digestive tract c) golgi complex - secretion d) RER - ribosomes e) mitochondria - ATP production

a) nucleolus - DNA

protein synthesis occurs in the a) ribosomes b) nucleus c) cytoskeleton d) periplasmic space e) inclusion

a) ribosomes

Paul Ehrlich used chemotherapy to treat a) syphilis b) cholera c) smallpox d) cancer e) anthrax

a) syphilis

Which of the following is NOT a component of bacterial cell wall? a) tubulin b) tetrpeptide c) peptidoglycan d) lipopolysaccharides e) mycolic acid

a) tubulin