Exam 1

A  repeating carbohydrates

B  hydrogen bonds

C  hydrophobic molecules

D  electrolytic molecules

E  repeating monomers

A  None of the choices are correct.

B  filaments

C  flagella

D  Cilia

E  microtubules

A  attachment and motility

B  attachment and protection

C  protection and motility

D  energy reactions and synthesis

E  motility and slime production

A  None of the choices are correct.

B  peptidase

C  penicillinase

D  lysozyme

E  All of the choices are correct.

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

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

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

D  Protozoan cysts are a reproductive stage.

A  endoplasmic reticulum

B  inclusions

C  pores

D  chromatin

E  histones

A  bright field

B  fluorescence

C  electron

D  dark field

E  phase contrast

A  Is solid at room temperature

B  Is digested by most microbes

C  Holds moisture

D  Has flexibility

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

A  triglycerides

B  prostaglandins

C  steroids

D  waxes

E  phospholipids

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

B  Heterotroph – synthesize organic nutrients using light energy and CO2

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 can cause septic shock in the human body

B  It is found in acid-fast bacterial cell walls

C  It is a specific cell wall lipid

D  It can stimulate fever in the human body

E  It is involved in typhoid fever and some meningitis cases

A  gram-positive

B  acid fast

C  found in archaea

D  gram-negative

E  a spheroplast

A  monosaccharides

B  nucleotides

C  amino acids

D  phosphate, glycerol, and fatty acids

E  glycerol and fatty acids

A  move in response to a chemical

B  not move in response to a chemical

C  move in response to light

D  None of the choices is correct.

E  transport desired molecules into cells

A  phosphorous

B  nitrogen

C  carbon

D  oxygen

E  hydrogen

A  algae

B  fungus

C  euglena

D  mold

E  green plant

A  mastigophora

B  apicomplexa/sporozoa

C  amoeba/sarcodina

D  ciliophora

E  None of the choices are correct.

A  Tetrad

B  Vibrio

C  Coccus

D  Rod

E  Spirochete

A  Store the genetic information of the cell

B  Contain hydrolytic enzymes to digest macromolecules

C  Provide cell with energy through cell respiration

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

E  Assemble amino acids into polypeptides

A  add contrast in order to see them better

B  secure them to the slide

C  enlarge the cells

D  see motility

E  kill them

A  acid-fast or Ziehl-Neelson

B  simple

C  differential

D  flagellar

E  capsule

A  inoculum

B  streak

C  loop

D  colony

E  incubator

A  Cause human disease

B  Cannot be seen without a microscope

C  Lack cell structure

D  Contain genetic material

E  Lack a nucleus

A  the last common ancestor

B  prokaryotes

C  bacteria

D  None of the choices are correct.

E  archaea

A  complex

B  reducing

C  minimal

D  enriched

E  synthetic

A  positive phototaxis

B  negative phototaxis

C  positive chemotaxis

D  negative chemotaxis

E  a tumble

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

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

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

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

A  None of the choices are correct.

B  helminths

C  All of the choices are correct.

D  yeasts and molds

E  algae and protozoa

A  Lysosomes

B  Mitochondria

C  Endoplasmic reticulum

D  Nucleus

E  All of the choices are correct.

A  pathogenic package

B  slime coat

C  envelope

D  None of the choices is correct.

E  glycocalyx

A  Include single-celled and filamentous forms

B  Heterotrophic nutrition

C  Photosynthetic

D  Have cell walls

E  Can use a wide variety of nutrients

A  nucleoplasm

B  nucleolus

C  chromatin

D  nuclear envelope

E  nucleosome

A  contamination

B  isolation

C  infection

D  immunization

E  inoculation

A  protozoa

B  infectious particles

C  molds

D  bacteria

E  parasitic worms

A  None of the choices are correct.

B  Streak plate

C  All of the choices are correct.

D  Pour plate

E  Spread plate

A  lysosomes

B  chloroplasts

C  endoplasmic reticulum

D  mitochondria

E  Golgi apparatus

A  Swab

B  Petri dish

C  Needle

D  Loop

E  Pipette

A  gram-positive organisms

B  mycoplasmas

C  archaea

D  gram-negative organisms

E  cyanobacteria

A  saturated

B  monounsaturated

C  polyunsaturated

D  None of the choices are correct.

E  unsaturated

A  flagella

B  sex pili

C  fimbriae

D  periplasmic flagella (axial filaments)

E  cilia

A  Adherence

B  Protection

C  Movement

D  All of the choices are functions.

E  Reception of chemical signals

A  Glycerol

B  Fatty acids

C  All of the choices are correct.

D  Phosphate

E  Alcohol

A  Ribosomes

B  Cytoplasmic membrane

C  DNA

D  Nucleus

A  70S ribosomes (prokaryote)

B  enzymes for photosynthesis

C  electron transport chain proteins

D  enzymes for metabolism

E  cristae

A  The culture medium must be selective.

B  The culture is contaminated.

C  The culture medium must be differential.

D  The microbiologist used too much inoculum.

E  The incubation temperature was incorrect.

A  nucleus; endoplasmic reticulum

B  cytoplasm; Golgi apparatus

C  cytoplasm; endoplasmic reticulum

D  nucleus; Golgi apparatus

A  capsules

B  cell walls

C  cell membranes

D  slime layers

E  inclusions

A  mitochondria

B  ribosomes

C  inclusions

D  cell wall

E  cell membrane

A  nosepiece

B  stage

C  ocular

D  condenser

E  objective