Exam 2

A  repeating carbohydrates

B  hydrogen bonds

C  electrolytic molecules

D  hydrophobic molecules

E  repeating monomers

A  microtubules

B  filaments

C  Cilia

D  flagella

E  None of the choices are correct.

A  attachment and motility

B  attachment and protection

C  motility and slime production

D  energy reactions and synthesis

E  protection and motility

A  penicillinase

B  Lysozyme

C  peptidase

D  None of the choices are correct.

E  All of the choices are correct.

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  inclusions

C  pores

D  chromatin

E  endoplasmic reticulum

A  fluorescence

B  phase contrast

C  bright field

D  dark field

E  electron

A  Holds moisture

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

C  Is digested by most microbes

D  Has flexibility

E  Is solid at room temperature

A  steroids

B  waxes

C  prostaglandins

D  phospholipids

E  Triglycerides

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  polysaccharides

B  carbohydrates

C  amino acids

D  enzymes

E  nucleic acids

A  It is involved in typhoid fever and some meningitis cases

B  It is a specific cell wall lipid

C  It is found in acid-fast bacterial cell walls

D  It can stimulate fever in the human body

E  It can cause septic shock in the human body

A  acid fast

B  gram-positive

C  found in archaea

D  a spheroplast

E  gram-negative

A  glycerol and fatty acids

B  amino acids

C  monosaccharides

D  phosphate, glycerol, and fatty acids

E  nucleotides

A  move in response to light

B  None of the choices is correct.

C  not move in response to a chemical

D  move in response to a chemical

E  transport desired molecules into cells

A  carbon

B  oxygen

C  phosphorous

D  nitrogen

E  hydrogen

A  algae

B  green plant

C  fungus

D  euglena

E  mold

A  None of the choices are correct.

B  apicomplexa/sporozoa

C  mastigophora

D  amoeba/sarcodina

E  ciliophora

A  Coccus

B  Tetrad

C  Rod

D  Spirochete

E  Vibrio

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

B  Provide cell with energy through cell respiration

C  Contain hydrolytic enzymes to digest macromolecules

D  Assemble amino acids into polypeptides

E  Store the genetic information of the cell

A  enlarge the cells

B  see motility

C  secure them to the slide

D  kill them

E  add contrast in order to see them better

A  capsule

B  acid-fast or Ziehl-Neelson

C  simple

D  differential

E  flagellar

A  streak

B  colony

C  incubator

D  loop

E  inoculum

A  Cause human disease

B  Lack cell structure

C  Lack a nucleus

D  Cannot be seen without a microscope

E  Contain genetic material

A  prokaryotes

B  None of the choices are correct.

C  bacteria

D  archaea

E  the last common ancestor

A  complex

B  reducing

C  enriched

D  synthetic

E  minimal

A  negative chemotaxis

B  positive chemotaxis

C  negative phototaxis

D  a tumble

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  helminths

B  None of the choices are correct.

C  All of the choices are correct.

D  algae and protozoa

E  yeasts and molds

A  Mitochondria

B  All of the choices are correct.

C  Nucleus

D  Lysosomes

E  Endoplasmic reticulum

A  slime coat

B  pathogenic package

C  envelope

D  glycocalyx

E  None of the choices is correct.

A  Can use a wide variety of nutrients

B  Photosynthetic

C  Heterotrophic nutrition

D  Have cell walls

E  Include single-celled and filamentous forms

A  nuclear envelope

B  chromatin

C  nucleosome

D  nucleolus

E  nucleoplasm

A  immunization

B  Inoculation

C  isolation

D  contamination

E  infection

A  molds

B  bacteria

C  infectious particles

D  parasitic worms

E  protozoa

A  Pour plate

B  All of the choices are correct.

C  Spread plate

D  None of the choices are correct.

E  Streak plate

A  endoplasmic reticulum

B  mitochondria

C  chloroplasts

D  lysosomes

E  Golgi apparatus

A  Needle

B  Petri dish

C  Loop

D  Swab

E  Pipette

A  mycoplasmas

B  gram-negative organisms

C  cyanobacteria

D  gram-positive organisms

E  archaea

A  polyunsaturated

B  unsaturated

C  None of the choices are correct.

D  monounsaturated

E  saturated

A  fimbriae

B  flagella

C  cilia

D  periplasmic flagella (axial filaments)

E  sex pili

A  All of the choices are functions.

B  Adherence

C  Movement

D  Reception of chemical signals

E  Protection

A  Fatty acids

B  Glycerol

C  Phosphate

D  All of the choices are correct.

E  Alcohol

A  Nucleus

B  DNA

C  Ribosomes

D  Cytoplasmic membrane

A  cristae

B  enzymes for metabolism

C  enzymes for photosynthesis

D  electron transport chain proteins

E  70S ribosomes (prokaryote)

A  The microbiologist used too much inoculum.

B  The culture medium must be differential.

C  The culture is contaminated.

D  The incubation temperature was incorrect.

E  The culture medium must be selective.

A  nucleus; Golgi apparatus

B  cytoplasm; endoplasmic reticulum

C  nucleus; endoplasmic reticulum

D  cytoplasm; Golgi apparatus

A  capsules

B  slime layers

C  cell walls

D  cell membranes

E  inclusions

A  inclusions

B  cell wall

C  cell membrane

D  mitochondria

E  ribosomes

A  objective

B  stage

C  condenser

D  nosepiece

E  ocular