Exam 1

A  hydrophobic molecules

B  repeating carbohydrates

C  hydrogen bonds

D  repeating monomers

E  electrolytic molecules

A  microtubules

B  flagella

C  Cilia

D  None of the choices are correct.

E  filaments

A  energy reactions and synthesis

B  motility and slime production

C  attachment and protection

D  protection and motility

E  attachment and motility

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  histones

B  endoplasmic reticulum

C  pores

D  chromatin

E  inclusions

A  bright field

B  fluorescence

C  phase contrast

D  dark field

E  electron

A  Holds moisture

B  Has flexibility

C  Is digested by most microbes

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

E  Is solid at room temperature

A  phospholipids

B  steroids

C  triglycerides

D  waxes

E  prostaglandins

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  polysaccharides

B  carbohydrates

C  nucleic acids

D  amino acids

E  enzymes

A  It is involved in typhoid fever and some meningitis cases

B  It can stimulate fever in the human body

C  It is a specific cell wall lipid

D  It is found in acid-fast bacterial cell walls

E  It can cause septic shock in the human body

A  gram-negative

B  gram-positive

C  a spheroplast

D  acid fast

E  found in archaea

A  glycerol and fatty acids

B  monosaccharides

C  phosphate, glycerol, and fatty acids

D  nucleotides

E  amino acids

A  not move in response to a chemical

B  move in response to light

C  move in response to a chemical

D  transport desired molecules into cells

E  None of the choices is correct.

A  carbon

B  nitrogen

C  hydrogen

D  oxygen

E  phosphorous

A  euglena

B  fungus

C  algae

D  mold

E  green plant

A  mastigophora

B  apicomplexa/sporozoa

C  amoeba/sarcodina

D  None of the choices are correct.

E  ciliophora

A  Spirochete

B  Tetrad

C  Vibrio

D  Coccus

E  Rod

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

B  Provide cell with energy through cell respiration

C  Assemble amino acids into polypeptides

D  Store the genetic information of the cell

E  Contain hydrolytic enzymes to digest macromolecules

A  secure them to the slide

B  see motility

C  add contrast in order to see them better

D  kill them

E  enlarge the cells

A  differential

B  flagellar

C  acid-fast or Ziehl-Neelson

D  capsule

E  simple

A  incubator

B  loop

C  colony

D  streak

E  inoculum

A  Contain genetic material

B  Cannot be seen without a microscope

C  Lack cell structure

D  Lack a nucleus

E  Cause human disease

A  archaea

B  prokaryotes

C  None of the choices are correct.

D  bacteria

E  the last common ancestor

A  reducing

B  minimal

C  enriched

D  synthetic

E  complex

A  negative phototaxis

B  positive phototaxis

C  positive chemotaxis

D  a tumble

E  negative chemotaxis

A  A eukaryotic cell ingested a bacterial cell and the organelles fused producing a larger 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 photosynthetic bacterial cell and an aerobic bacterial cell fused to become a larger, eukaryotic cell

A  None of the choices are correct.

B  yeasts and molds

C  algae and protozoa

D  All of the choices are correct.

E  helminths

A  Nucleus

B  Lysosomes

C  All of the choices are correct.

D  Endoplasmic reticulum

E  Mitochondria

A  pathogenic package

B  None of the choices is correct.

C  envelope

D  glycocalyx

E  slime coat

A  Heterotrophic nutrition

B  Photosynthetic

C  Have cell walls

D  Can use a wide variety of nutrients

E  Include single-celled and filamentous forms

A  chromatin

B  nucleosome

C  nucleolus

D  nuclear envelope

E  nucleoplasm

A  infection

B  isolation

C  inoculation

D  contamination

E  immunization

A  parasitic worms

B  protozoa

C  bacteria

D  infectious particles

E  molds

A  All of the choices are correct.

B  Spread plate

C  Pour plate

D  Streak plate

E  None of the choices are correct.

A  chloroplasts

B  mitochondria

C  lysosomes

D  Golgi apparatus

E  endoplasmic reticulum

A  Pipette

B  Loop

C  Needle

D  Swab

E  Petri dish

A  gram-positive organisms

B  mycoplasmas

C  gram-negative organisms

D  archaea

E  cyanobacteria

A  None of the choices are correct.

B  polyunsaturated

C  saturated

D  unsaturated

E  monounsaturated

A  flagella

B  cilia

C  fimbriae

D  periplasmic flagella (axial filaments)

E  sex pili

A  All of the choices are functions.

B  Movement

C  Reception of chemical signals

D  Protection

E  Adherence

A  Glycerol

B  Fatty acids

C  Phosphate

D  Alcohol

E  All of the choices are correct.

A  Nucleus

B  DNA

C  Cytoplasmic membrane

D  Ribosomes

A  electron transport chain proteins

B  70S ribosomes (prokaryote)

C  enzymes for metabolism

D  cristae

E  enzymes for photosynthesis

A  The culture medium must be selective.

B  The culture is contaminated.

C  The microbiologist used too much inoculum.

D  The incubation temperature was incorrect.

E  The culture medium must be differential.

A  cytoplasm; endoplasmic reticulum

B  nucleus; Golgi apparatus

C  nucleus; endoplasmic reticulum

D  cytoplasm; Golgi apparatus

A  cell membranes

B  inclusions

C  capsules

D  cell walls

E  slime layers

A  inclusions

B  cell wall

C  cell membrane

D  mitochondria

E  ribosomes

A  nosepiece

B  condenser

C  objective

D  ocular

E  stage