Exam 2

A  repeating carbohydrates

B  hydrogen bonds

C  electrolytic molecules

D  repeating monomers

E  hydrophobic molecules

A  None of the choices are correct.

B  flagella

C  microtubules

D  filaments

E  Cilia

A  attachment and motility

B  energy reactions and synthesis

C  protection and motility

D  motility and slime production

E  attachment and protection

A  Lysozyme

B  All of the choices are correct.

C  None of the choices are correct.

D  penicillinase

E  peptidase

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 survival form that allows them to survive adverse environmental conditions between hosts.

D  Protozoan cysts are a reproductive stage.

A  histones

B  endoplasmic reticulum

C  chromatin

D  pores

E  inclusions

A  phase contrast

B  dark field

C  bright field

D  electron

E  fluorescence

A  Is solid at room temperature

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

C  Holds moisture

D  Has flexibility

E  Is digested by most microbes

A  waxes

B  Triglycerides

C  steroids

D  prostaglandins

E  phospholipids

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

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

C  Heterotroph – synthesize organic nutrients using light energy and CO2

A  nucleic acids

B  polysaccharides

C  amino acids

D  enzymes

E  carbohydrates

A  It is a specific cell wall lipid

B  It can cause septic shock in the human body

C  It is involved in typhoid fever and some meningitis cases

D  It is found in acid-fast bacterial cell walls

E  It can stimulate fever in the human body

A  gram-positive

B  found in archaea

C  gram-negative

D  acid fast

E  a spheroplast

A  monosaccharides

B  phosphate, glycerol, and fatty acids

C  amino acids

D  nucleotides

E  glycerol and fatty acids

A  move in response to light

B  move in response to a chemical

C  None of the choices is correct.

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  fungus

B  green plant

C  algae

D  mold

E  euglena

A  ciliophora

B  None of the choices are correct.

C  mastigophora

D  apicomplexa/sporozoa

E  amoeba/sarcodina

A  Coccus

B  Rod

C  Tetrad

D  Vibrio

E  Spirochete

A  Contain hydrolytic enzymes to digest macromolecules

B  Assemble amino acids into polypeptides

C  Store the genetic information of the cell

D  Provide cell with energy through cell respiration

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

A  secure them to the slide

B  see motility

C  enlarge the cells

D  add contrast in order to see them better

E  kill them

A  acid-fast or Ziehl-Neelson

B  capsule

C  differential

D  flagellar

E  simple

A  loop

B  colony

C  streak

D  incubator

E  inoculum

A  Contain genetic material

B  Cause human disease

C  Cannot be seen without a microscope

D  Lack cell structure

E  Lack a nucleus

A  None of the choices are correct.

B  the last common ancestor

C  archaea

D  prokaryotes

E  bacteria

A  synthetic

B  minimal

C  enriched

D  reducing

E  complex

A  positive phototaxis

B  a tumble

C  negative phototaxis

D  negative chemotaxis

E  positive chemotaxis

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

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

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  None of the choices are correct.

B  algae and protozoa

C  yeasts and molds

D  All of the choices are correct.

E  helminths

A  Lysosomes

B  All of the choices are correct.

C  Endoplasmic reticulum

D  Nucleus

E  Mitochondria

A  None of the choices is correct.

B  envelope

C  slime coat

D  glycocalyx

E  pathogenic package

A  Have cell walls

B  Can use a wide variety of nutrients

C  Heterotrophic nutrition

D  Include single-celled and filamentous forms

E  Photosynthetic

A  chromatin

B  nucleolus

C  nuclear envelope

D  nucleosome

E  nucleoplasm

A  immunization

B  infection

C  Inoculation

D  isolation

E  contamination

A  bacteria

B  parasitic worms

C  molds

D  infectious particles

E  protozoa

A  Spread plate

B  Pour plate

C  None of the choices are correct.

D  Streak plate

E  All of the choices are correct.

A  endoplasmic reticulum

B  mitochondria

C  Golgi apparatus

D  lysosomes

E  chloroplasts

A  Needle

B  Petri dish

C  Pipette

D  Swab

E  Loop

A  gram-positive organisms

B  cyanobacteria

C  gram-negative organisms

D  archaea

E  mycoplasmas

A  saturated

B  monounsaturated

C  polyunsaturated

D  unsaturated

E  None of the choices are correct.

A  flagella

B  periplasmic flagella (axial filaments)

C  sex pili

D  cilia

E  fimbriae

A  Movement

B  Reception of chemical signals

C  All of the choices are functions.

D  Adherence

E  Protection

A  All of the choices are correct.

B  Glycerol

C  Alcohol

D  Phosphate

E  Fatty acids

A  Cytoplasmic membrane

B  Nucleus

C  DNA

D  Ribosomes

A  electron transport chain proteins

B  cristae

C  enzymes for photosynthesis

D  70S ribosomes (prokaryote)

E  enzymes for metabolism

A  The microbiologist used too much inoculum.

B  The culture medium must be differential.

C  The culture medium must be selective.

D  The incubation temperature was incorrect.

E  The culture is contaminated.

A  nucleus; endoplasmic reticulum

B  cytoplasm; Golgi apparatus

C  cytoplasm; endoplasmic reticulum

D  nucleus; Golgi apparatus

A  cell walls

B  capsules

C  slime layers

D  inclusions

E  cell membranes

A  cell wall

B  ribosomes

C  cell membrane

D  inclusions

E  mitochondria

A  objective

B  nosepiece

C  stage

D  condenser

E  ocular