Exam 2

A  electrolytic molecules

B  hydrophobic molecules

C  hydrogen bonds

D  repeating carbohydrates

E  repeating monomers

A  microtubules

B  None of the choices are correct.

C  flagella

D  Cilia

E  filaments

A  energy reactions and synthesis

B  attachment and protection

C  attachment and motility

D  protection and motility

E  motility and slime production

A  Lysozyme

B  None of the choices are correct.

C  penicillinase

D  peptidase

E  All of the choices are correct.

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  pores

D  chromatin

E  histones

A  phase contrast

B  electron

C  dark field

D  fluorescence

E  bright field

A  Is digested by most microbes

B  Is solid at room temperature

C  Has flexibility

D  Holds moisture

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

A  Triglycerides

B  phospholipids

C  waxes

D  steroids

E  prostaglandins

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  enzymes

B  carbohydrates

C  amino acids

D  polysaccharides

E  nucleic acids

A  It is involved in typhoid fever and some meningitis cases

B  It can cause septic shock in the human body

C  It is found in acid-fast bacterial cell walls

D  It can stimulate fever in the human body

E  It is a specific cell wall lipid

A  acid fast

B  gram-positive

C  found in archaea

D  a spheroplast

E  gram-negative

A  phosphate, glycerol, and fatty acids

B  nucleotides

C  glycerol and fatty acids

D  amino acids

E  monosaccharides

A  None of the choices is correct.

B  move in response to a chemical

C  move in response to light

D  not move in response to a chemical

E  transport desired molecules into cells

A  oxygen

B  hydrogen

C  phosphorous

D  nitrogen

E  carbon

A  fungus

B  green plant

C  algae

D  euglena

E  mold

A  ciliophora

B  amoeba/sarcodina

C  None of the choices are correct.

D  apicomplexa/sporozoa

E  mastigophora

A  Tetrad

B  Rod

C  Coccus

D  Vibrio

E  Spirochete

A  Store the genetic information of the cell

B  Provide cell with energy through cell respiration

C  Contain hydrolytic enzymes to digest macromolecules

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

E  Assemble amino acids into polypeptides

A  enlarge the cells

B  kill them

C  secure them to the slide

D  see motility

E  add contrast in order to see them better

A  flagellar

B  simple

C  capsule

D  acid-fast or Ziehl-Neelson

E  differential

A  inoculum

B  streak

C  loop

D  incubator

E  colony

A  Contain genetic material

B  Lack cell structure

C  Cannot be seen without a microscope

D  Lack a nucleus

E  Cause human disease

A  archaea

B  bacteria

C  the last common ancestor

D  None of the choices are correct.

E  prokaryotes

A  complex

B  minimal

C  reducing

D  enriched

E  synthetic

A  a tumble

B  positive phototaxis

C  negative chemotaxis

D  positive chemotaxis

E  negative phototaxis

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

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

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

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

A  helminths

B  All of the choices are correct.

C  yeasts and molds

D  None of the choices are correct.

E  algae and protozoa

A  Mitochondria

B  All of the choices are correct.

C  Lysosomes

D  Nucleus

E  Endoplasmic reticulum

A  envelope

B  slime coat

C  glycocalyx

D  pathogenic package

E  None of the choices is correct.

A  Can use a wide variety of nutrients

B  Photosynthetic

C  Heterotrophic nutrition

D  Include single-celled and filamentous forms

E  Have cell walls

A  chromatin

B  nucleolus

C  nucleosome

D  nucleoplasm

E  nuclear envelope

A  Inoculation

B  immunization

C  infection

D  contamination

E  isolation

A  bacteria

B  parasitic worms

C  protozoa

D  molds

E  infectious particles

A  All of the choices are correct.

B  Spread plate

C  Pour plate

D  None of the choices are correct.

E  Streak plate

A  Golgi apparatus

B  endoplasmic reticulum

C  chloroplasts

D  lysosomes

E  mitochondria

A  Loop

B  Needle

C  Swab

D  Petri dish

E  Pipette

A  archaea

B  cyanobacteria

C  gram-negative organisms

D  gram-positive organisms

E  mycoplasmas

A  None of the choices are correct.

B  saturated

C  polyunsaturated

D  unsaturated

E  monounsaturated

A  sex pili

B  periplasmic flagella (axial filaments)

C  flagella

D  cilia

E  fimbriae

A  Adherence

B  All of the choices are functions.

C  Reception of chemical signals

D  Movement

E  Protection

A  Glycerol

B  Fatty acids

C  Phosphate

D  Alcohol

E  All of the choices are correct.

A  Cytoplasmic membrane

B  Nucleus

C  Ribosomes

D  DNA

A  70S ribosomes (prokaryote)

B  cristae

C  enzymes for metabolism

D  enzymes for photosynthesis

E  electron transport chain proteins

A  The culture is contaminated.

B  The culture medium must be selective.

C  The culture medium must be differential.

D  The microbiologist used too much inoculum.

E  The incubation temperature was incorrect.

A  cytoplasm; Golgi apparatus

B  nucleus; endoplasmic reticulum

C  nucleus; Golgi apparatus

D  cytoplasm; endoplasmic reticulum

A  inclusions

B  cell membranes

C  capsules

D  cell walls

E  slime layers

A  inclusions

B  cell wall

C  ribosomes

D  mitochondria

E  cell membrane

A  nosepiece

B  stage

C  objective

D  condenser

E  ocular