Exam 2

A  hydrogen bonds

B  repeating carbohydrates

C  repeating monomers

D  electrolytic molecules

E  hydrophobic molecules

A  microtubules

B  Cilia

C  filaments

D  None of the choices are correct.

E  flagella

A  energy reactions and synthesis

B  motility and slime production

C  attachment and motility

D  protection and motility

E  attachment and protection

A  Lysozyme

B  penicillinase

C  peptidase

D  All of the choices are correct.

E  None 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  pores

B  histones

C  inclusions

D  chromatin

E  endoplasmic reticulum

A  fluorescence

B  phase contrast

C  electron

D  bright field

E  dark field

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  steroids

B  prostaglandins

C  phospholipids

D  waxes

E  Triglycerides

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  enzymes

C  carbohydrates

D  nucleic acids

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 is involved in typhoid fever and some meningitis cases

E  It can stimulate fever in the human body

A  a spheroplast

B  gram-negative

C  found in archaea

D  acid fast

E  gram-positive

A  amino acids

B  monosaccharides

C  nucleotides

D  phosphate, glycerol, and fatty acids

E  glycerol and fatty acids

A  move in response to a chemical

B  move in response to light

C  not move in response to a chemical

D  None of the choices is correct.

E  transport desired molecules into cells

A  hydrogen

B  nitrogen

C  oxygen

D  phosphorous

E  carbon

A  fungus

B  euglena

C  mold

D  algae

E  green plant

A  amoeba/sarcodina

B  mastigophora

C  ciliophora

D  None of the choices are correct.

E  apicomplexa/sporozoa

A  Rod

B  Vibrio

C  Tetrad

D  Spirochete

E  Coccus

A  Contain hydrolytic enzymes to digest macromolecules

B  Store the genetic information of the cell

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

D  Provide cell with energy through cell respiration

E  Assemble amino acids into polypeptides

A  kill them

B  secure them to the slide

C  see motility

D  add contrast in order to see them better

E  enlarge the cells

A  differential

B  capsule

C  simple

D  flagellar

E  acid-fast or Ziehl-Neelson

A  inoculum

B  loop

C  streak

D  colony

E  incubator

A  Lack a nucleus

B  Contain genetic material

C  Cannot be seen without a microscope

D  Lack cell structure

E  Cause human disease

A  archaea

B  bacteria

C  prokaryotes

D  None of the choices are correct.

E  the last common ancestor

A  minimal

B  synthetic

C  enriched

D  complex

E  reducing

A  a tumble

B  negative chemotaxis

C  positive chemotaxis

D  negative phototaxis

E  positive phototaxis

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  yeasts and molds

B  algae and protozoa

C  All of the choices are correct.

D  helminths

E  None of the choices are correct.

A  Endoplasmic reticulum

B  Mitochondria

C  All of the choices are correct.

D  Nucleus

E  Lysosomes

A  envelope

B  None of the choices is correct.

C  slime coat

D  pathogenic package

E  glycocalyx

A  Can use a wide variety of nutrients

B  Photosynthetic

C  Have cell walls

D  Heterotrophic nutrition

E  Include single-celled and filamentous forms

A  nucleoplasm

B  nucleosome

C  nuclear envelope

D  nucleolus

E  chromatin

A  contamination

B  immunization

C  Inoculation

D  infection

E  isolation

A  bacteria

B  molds

C  infectious particles

D  parasitic worms

E  protozoa

A  Streak plate

B  Spread plate

C  Pour plate

D  All of the choices are correct.

E  None of the choices are correct.

A  mitochondria

B  endoplasmic reticulum

C  lysosomes

D  chloroplasts

E  Golgi apparatus

A  Petri dish

B  Needle

C  Swab

D  Loop

E  Pipette

A  cyanobacteria

B  gram-positive organisms

C  archaea

D  mycoplasmas

E  gram-negative organisms

A  polyunsaturated

B  None of the choices are correct.

C  monounsaturated

D  saturated

E  unsaturated

A  fimbriae

B  cilia

C  sex pili

D  flagella

E  periplasmic flagella (axial filaments)

A  Protection

B  Adherence

C  Reception of chemical signals

D  Movement

E  All of the choices are functions.

A  Fatty acids

B  Glycerol

C  Phosphate

D  All of the choices are correct.

E  Alcohol

A  Cytoplasmic membrane

B  Nucleus

C  DNA

D  Ribosomes

A  cristae

B  electron transport chain proteins

C  enzymes for metabolism

D  enzymes for photosynthesis

E  70S ribosomes (prokaryote)

A  The culture is contaminated.

B  The culture medium must be selective.

C  The microbiologist used too much inoculum.

D  The culture medium must be differential.

E  The incubation temperature was incorrect.

A  cytoplasm; Golgi apparatus

B  nucleus; endoplasmic reticulum

C  nucleus; Golgi apparatus

D  cytoplasm; endoplasmic reticulum

A  cell walls

B  slime layers

C  capsules

D  cell membranes

E  inclusions

A  mitochondria

B  cell wall

C  inclusions

D  ribosomes

E  cell membrane

A  objective

B  stage

C  nosepiece

D  ocular

E  condenser