Exam 2

A  electrolytic molecules

B  hydrogen bonds

C  hydrophobic molecules

D  repeating carbohydrates

E  repeating monomers

A  filaments

B  microtubules

C  Cilia

D  None of the choices are correct.

E  flagella

A  motility and slime production

B  protection and motility

C  energy reactions and synthesis

D  attachment and motility

E  attachment and protection

A  penicillinase

B  All of the choices are correct.

C  None of the choices are correct.

D  Lysozyme

E  peptidase

A  Protozoan cysts are a reproductive stage.

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 the active, growing stage of the organism.

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

A  inclusions

B  endoplasmic reticulum

C  histones

D  chromatin

E  pores

A  fluorescence

B  electron

C  dark field

D  phase contrast

E  bright field

A  Is digested by most microbes

B  Has flexibility

C  Holds moisture

D  Is solid at room temperature

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

A  prostaglandins

B  waxes

C  Triglycerides

D  steroids

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  enzymes

C  carbohydrates

D  amino acids

E  polysaccharides

A  It is a specific cell wall lipid

B  It can cause septic shock in the human body

C  It can stimulate fever in the human body

D  It is involved in typhoid fever and some meningitis cases

E  It is found in acid-fast bacterial cell walls

A  found in archaea

B  a spheroplast

C  acid fast

D  gram-positive

E  gram-negative

A  monosaccharides

B  amino acids

C  glycerol and fatty acids

D  phosphate, glycerol, and fatty acids

E  nucleotides

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  nitrogen

B  hydrogen

C  oxygen

D  phosphorous

E  carbon

A  algae

B  green plant

C  mold

D  fungus

E  euglena

A  amoeba/sarcodina

B  apicomplexa/sporozoa

C  ciliophora

D  None of the choices are correct.

E  mastigophora

A  Coccus

B  Spirochete

C  Tetrad

D  Rod

E  Vibrio

A  Store the genetic information of the cell

B  Assemble amino acids into polypeptides

C  Contain hydrolytic enzymes to digest macromolecules

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

E  Provide cell with energy through cell respiration

A  secure them to the slide

B  see motility

C  kill them

D  enlarge the cells

E  add contrast in order to see them better

A  acid-fast or Ziehl-Neelson

B  differential

C  capsule

D  simple

E  flagellar

A  inoculum

B  loop

C  colony

D  incubator

E  streak

A  Cause human disease

B  Lack a nucleus

C  Lack cell structure

D  Cannot be seen without a microscope

E  Contain genetic material

A  bacteria

B  archaea

C  the last common ancestor

D  prokaryotes

E  None of the choices are correct.

A  minimal

B  reducing

C  complex

D  synthetic

E  enriched

A  positive phototaxis

B  positive chemotaxis

C  negative chemotaxis

D  negative phototaxis

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  helminths

B  None of the choices are correct.

C  yeasts and molds

D  All of the choices are correct.

E  algae and protozoa

A  Endoplasmic reticulum

B  Nucleus

C  Lysosomes

D  Mitochondria

E  All of the choices are correct.

A  envelope

B  slime coat

C  pathogenic package

D  None of the choices is correct.

E  glycocalyx

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  nucleosome

B  nucleoplasm

C  nucleolus

D  nuclear envelope

E  chromatin

A  isolation

B  Inoculation

C  contamination

D  immunization

E  infection

A  parasitic worms

B  bacteria

C  infectious particles

D  molds

E  protozoa

A  Streak plate

B  Spread plate

C  All of the choices are correct.

D  Pour plate

E  None of the choices are correct.

A  mitochondria

B  lysosomes

C  Golgi apparatus

D  chloroplasts

E  endoplasmic reticulum

A  Pipette

B  Swab

C  Petri dish

D  Needle

E  Loop

A  archaea

B  mycoplasmas

C  gram-negative organisms

D  gram-positive organisms

E  cyanobacteria

A  unsaturated

B  saturated

C  monounsaturated

D  polyunsaturated

E  None of the choices are correct.

A  cilia

B  flagella

C  periplasmic flagella (axial filaments)

D  sex pili

E  fimbriae

A  Reception of chemical signals

B  Protection

C  Movement

D  All of the choices are functions.

E  Adherence

A  Alcohol

B  Phosphate

C  Fatty acids

D  Glycerol

E  All of the choices are correct.

A  DNA

B  Cytoplasmic membrane

C  Ribosomes

D  Nucleus

A  cristae

B  enzymes for metabolism

C  electron transport chain proteins

D  enzymes for photosynthesis

E  70S ribosomes (prokaryote)

A  The microbiologist used too much inoculum.

B  The incubation temperature was incorrect.

C  The culture medium must be differential.

D  The culture is contaminated.

E  The culture medium must be selective.

A  cytoplasm; Golgi apparatus

B  cytoplasm; endoplasmic reticulum

C  nucleus; Golgi apparatus

D  nucleus; endoplasmic reticulum

A  slime layers

B  capsules

C  inclusions

D  cell membranes

E  cell walls

A  inclusions

B  ribosomes

C  cell wall

D  cell membrane

E  mitochondria

A  objective

B  ocular

C  stage

D  nosepiece

E  condenser