Exam 2

A  hydrogen bonds

B  electrolytic molecules

C  hydrophobic molecules

D  repeating monomers

E  repeating carbohydrates

A  microtubules

B  filaments

C  Cilia

D  None of the choices are correct.

E  flagella

A  attachment and protection

B  protection and motility

C  motility and slime production

D  attachment and motility

E  energy reactions and synthesis

A  None of the choices are correct.

B  penicillinase

C  Lysozyme

D  All of the choices are correct.

E  peptidase

A  Protozoan cysts are a reproductive stage.

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

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 the active, growing stage of the organism.

A  endoplasmic reticulum

B  inclusions

C  histones

D  pores

E  chromatin

A  bright field

B  electron

C  dark field

D  phase contrast

E  fluorescence

A  Is solid at room temperature

B  Is digested by most microbes

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

D  Holds moisture

E  Has flexibility

A  prostaglandins

B  waxes

C  steroids

D  phospholipids

E  Triglycerides

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

B  Heterotroph – synthesize organic nutrients using light energy and CO2

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

A  polysaccharides

B  carbohydrates

C  amino acids

D  nucleic acids

E  enzymes

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 found in acid-fast bacterial cell walls

E  It is involved in typhoid fever and some meningitis cases

A  acid fast

B  gram-positive

C  a spheroplast

D  found in archaea

E  gram-negative

A  phosphate, glycerol, and fatty acids

B  nucleotides

C  monosaccharides

D  amino acids

E  glycerol and fatty acids

A  move in response to light

B  transport desired molecules into cells

C  move in response to a chemical

D  None of the choices is correct.

E  not move in response to a chemical

A  phosphorous

B  nitrogen

C  carbon

D  oxygen

E  hydrogen

A  algae

B  fungus

C  euglena

D  green plant

E  mold

A  amoeba/sarcodina

B  ciliophora

C  mastigophora

D  apicomplexa/sporozoa

E  None of the choices are correct.

A  Rod

B  Coccus

C  Vibrio

D  Tetrad

E  Spirochete

A  Provide cell with energy through cell respiration

B  Store the genetic information of the cell

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

D  Contain hydrolytic enzymes to digest macromolecules

E  Assemble amino acids into polypeptides

A  secure them to the slide

B  add contrast in order to see them better

C  see motility

D  kill them

E  enlarge the cells

A  flagellar

B  differential

C  acid-fast or Ziehl-Neelson

D  capsule

E  simple

A  incubator

B  streak

C  colony

D  inoculum

E  loop

A  Contain genetic material

B  Lack cell structure

C  Cannot be seen without a microscope

D  Cause human disease

E  Lack a nucleus

A  prokaryotes

B  bacteria

C  the last common ancestor

D  archaea

E  None of the choices are correct.

A  enriched

B  synthetic

C  reducing

D  complex

E  minimal

A  a tumble

B  negative chemotaxis

C  positive phototaxis

D  negative phototaxis

E  positive chemotaxis

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

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

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

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  helminths

D  All of the choices are correct.

E  yeasts and molds

A  Endoplasmic reticulum

B  Nucleus

C  All of the choices are correct.

D  Mitochondria

E  Lysosomes

A  None of the choices is correct.

B  envelope

C  pathogenic package

D  glycocalyx

E  slime coat

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  nucleosome

B  nucleolus

C  chromatin

D  nuclear envelope

E  nucleoplasm

A  immunization

B  contamination

C  infection

D  isolation

E  Inoculation

A  bacteria

B  molds

C  protozoa

D  infectious particles

E  parasitic worms

A  Pour plate

B  Streak plate

C  All of the choices are correct.

D  None of the choices are correct.

E  Spread plate

A  mitochondria

B  chloroplasts

C  Golgi apparatus

D  lysosomes

E  endoplasmic reticulum

A  Petri dish

B  Swab

C  Needle

D  Pipette

E  Loop

A  mycoplasmas

B  gram-negative organisms

C  cyanobacteria

D  gram-positive organisms

E  archaea

A  None of the choices are correct.

B  saturated

C  monounsaturated

D  unsaturated

E  polyunsaturated

A  sex pili

B  periplasmic flagella (axial filaments)

C  cilia

D  fimbriae

E  flagella

A  Protection

B  Reception of chemical signals

C  All of the choices are functions.

D  Adherence

E  Movement

A  Fatty acids

B  Glycerol

C  Phosphate

D  All of the choices are correct.

E  Alcohol

A  Ribosomes

B  Cytoplasmic membrane

C  DNA

D  Nucleus

A  electron transport chain proteins

B  enzymes for photosynthesis

C  cristae

D  70S ribosomes (prokaryote)

E  enzymes for metabolism

A  The culture medium must be selective.

B  The incubation temperature was incorrect.

C  The culture is contaminated.

D  The microbiologist used too much inoculum.

E  The culture medium must be differential.

A  nucleus; endoplasmic reticulum

B  cytoplasm; endoplasmic reticulum

C  nucleus; Golgi apparatus

D  cytoplasm; Golgi apparatus

A  inclusions

B  cell membranes

C  capsules

D  slime layers

E  cell walls

A  ribosomes

B  cell wall

C  cell membrane

D  mitochondria

E  inclusions

A  condenser

B  ocular

C  nosepiece

D  stage

E  objective