Exam 2

A  repeating monomers

B  hydrogen bonds

C  electrolytic molecules

D  repeating carbohydrates

E  hydrophobic molecules

A  Cilia

B  None of the choices are correct.

C  filaments

D  microtubules

E  flagella

A  motility and slime production

B  energy reactions and synthesis

C  attachment and protection

D  protection and motility

E  attachment and motility

A  Lysozyme

B  All of the choices are correct.

C  None of the choices are correct.

D  peptidase

E  penicillinase

A  Protozoan cysts are the active, growing stage of the organism.

B  Protozoan cysts are necessary for the infection of intermediate hosts while the trophozoites are the stage that infects definitive hosts.

C  Protozoan cysts are a reproductive stage.

D  Protozoan cysts are a survival form that allows them to survive adverse environmental conditions between hosts.

A  histones

B  inclusions

C  pores

D  chromatin

E  endoplasmic reticulum

A  bright field

B  fluorescence

C  electron

D  dark field

E  phase contrast

A  Is digested by most microbes

B  Can be inoculated and poured at a temperature that is not harmful

C  Holds moisture

D  Is solid at room temperature

E  Has flexibility

A  Triglycerides

B  prostaglandins

C  waxes

D  phospholipids

E  steroids

A  Heterotroph – synthesize organic nutrients using light energy and CO2

B  Saprobe – obtain nutrients from the remains of dead plants and animals

C  Parasite – obtain nutrients from a living organism to the detriment of that organism

A  carbohydrates

B  nucleic acids

C  polysaccharides

D  enzymes

E  amino acids

A  It is found in acid-fast bacterial cell walls

B  It is a specific cell wall lipid

C  It is involved in typhoid fever and some meningitis cases

D  It can cause septic shock in the human body

E  It can stimulate fever in the human body

A  gram-negative

B  acid fast

C  gram-positive

D  found in archaea

E  a spheroplast

A  amino acids

B  phosphate, glycerol, and fatty acids

C  monosaccharides

D  glycerol and fatty acids

E  nucleotides

A  move in response to a chemical

B  None of the choices is correct.

C  move in response to light

D  transport desired molecules into cells

E  not move in response to a chemical

A  carbon

B  nitrogen

C  oxygen

D  hydrogen

E  phosphorous

A  algae

B  mold

C  fungus

D  euglena

E  green plant

A  mastigophora

B  ciliophora

C  None of the choices are correct.

D  amoeba/sarcodina

E  apicomplexa/sporozoa

A  Spirochete

B  Coccus

C  Rod

D  Vibrio

E  Tetrad

A  Contain hydrolytic enzymes to digest macromolecules

B  Assemble amino acids into polypeptides

C  Provide cell with energy through cell respiration

D  Control the transport of materials into and out of the cell

E  Store the genetic information of the cell

A  see motility

B  kill them

C  secure them to the slide

D  enlarge the cells

E  add contrast in order to see them better

A  acid-fast or Ziehl-Neelson

B  differential

C  simple

D  capsule

E  flagellar

A  streak

B  inoculum

C  colony

D  loop

E  incubator

A  Cause human disease

B  Cannot be seen without a microscope

C  Contain genetic material

D  Lack a nucleus

E  Lack cell structure

A  None of the choices are correct.

B  bacteria

C  the last common ancestor

D  archaea

E  prokaryotes

A  complex

B  synthetic

C  minimal

D  enriched

E  reducing

A  positive chemotaxis

B  negative phototaxis

C  a tumble

D  negative chemotaxis

E  positive phototaxis

A  A DNA virus, a bacteria and a photosynthetic prokaryote fused to form a nucleus, a chloroplast and a mitochondria

B  A photosynthetic bacterial cell and an aerobic bacterial cell fused to become a larger, eukaryotic cell

C  A pre-eukaryotic cell was infected by a prokaryote, and symbiosis between the two cell types gave rise to the modern-day eukaryotic cell

D  A eukaryotic cell ingested a bacterial cell and the organelles fused producing a larger cell

A  algae and protozoa

B  All of the choices are correct.

C  yeasts and molds

D  helminths

E  None of the choices are correct.

A  Nucleus

B  Mitochondria

C  Endoplasmic reticulum

D  All of the choices are correct.

E  Lysosomes

A  slime coat

B  None of the choices is correct.

C  pathogenic package

D  glycocalyx

E  envelope

A  Can use a wide variety of nutrients

B  Heterotrophic nutrition

C  Include single-celled and filamentous forms

D  Photosynthetic

E  Have cell walls

A  nucleolus

B  nuclear envelope

C  nucleoplasm

D  nucleosome

E  chromatin

A  contamination

B  Inoculation

C  isolation

D  immunization

E  infection

A  parasitic worms

B  protozoa

C  infectious particles

D  bacteria

E  molds

A  All of the choices are correct.

B  Spread plate

C  None of the choices are correct.

D  Pour plate

E  Streak plate

A  endoplasmic reticulum

B  Golgi apparatus

C  mitochondria

D  chloroplasts

E  lysosomes

A  Loop

B  Swab

C  Petri dish

D  Pipette

E  Needle

A  archaea

B  gram-negative organisms

C  mycoplasmas

D  gram-positive organisms

E  cyanobacteria

A  saturated

B  None of the choices are correct.

C  monounsaturated

D  polyunsaturated

E  unsaturated

A  periplasmic flagella (axial filaments)

B  cilia

C  flagella

D  fimbriae

E  sex pili

A  Reception of chemical signals

B  Protection

C  Movement

D  All of the choices are functions.

E  Adherence

A  Phosphate

B  Fatty acids

C  Alcohol

D  Glycerol

E  All of the choices are correct.

A  Cytoplasmic membrane

B  Nucleus

C  Ribosomes

D  DNA

A  enzymes for photosynthesis

B  enzymes for metabolism

C  cristae

D  70S ribosomes (prokaryote)

E  electron transport chain proteins

A  The culture is contaminated.

B  The incubation temperature was incorrect.

C  The culture medium must be differential.

D  The culture medium must be selective.

E  The microbiologist used too much inoculum.

A  nucleus; endoplasmic reticulum

B  nucleus; Golgi apparatus

C  cytoplasm; Golgi apparatus

D  cytoplasm; endoplasmic reticulum

A  slime layers

B  inclusions

C  cell membranes

D  cell walls

E  capsules

A  inclusions

B  cell membrane

C  mitochondria

D  cell wall

E  ribosomes

A  ocular

B  condenser

C  stage

D  objective

E  nosepiece