Exam 2

A  repeating monomers

B  electrolytic molecules

C  hydrogen bonds

D  hydrophobic molecules

E  repeating carbohydrates

A  Cilia

B  None of the choices are correct.

C  flagella

D  microtubules

E  filaments

A  protection and motility

B  attachment and motility

C  energy reactions and synthesis

D  motility and slime production

E  attachment and protection

A  penicillinase

B  peptidase

C  None of the choices are correct.

D  All of the choices are correct.

E  Lysozyme

A  Protozoan cysts are necessary for the infection of intermediate hosts while the trophozoites are the stage that infects definitive hosts.

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

C  Protozoan cysts are a reproductive stage.

D  Protozoan cysts are the active, growing stage of the organism.

A  histones

B  inclusions

C  chromatin

D  pores

E  endoplasmic reticulum

A  fluorescence

B  dark field

C  phase contrast

D  bright field

E  electron

A  Holds moisture

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

C  Is digested by most microbes

D  Is solid at room temperature

E  Has flexibility

A  steroids

B  prostaglandins

C  phospholipids

D  waxes

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  nucleic acids

B  carbohydrates

C  enzymes

D  amino acids

E  polysaccharides

A  It is found in acid-fast bacterial cell walls

B  It is involved in typhoid fever and some meningitis cases

C  It can stimulate fever in the human body

D  It is a specific cell wall lipid

E  It can cause septic shock in the human body

A  a spheroplast

B  found in archaea

C  gram-positive

D  gram-negative

E  acid fast

A  nucleotides

B  monosaccharides

C  phosphate, glycerol, and fatty acids

D  amino acids

E  glycerol and fatty acids

A  move in response to light

B  None of the choices is correct.

C  transport desired molecules into cells

D  move in response to a chemical

E  not move in response to a chemical

A  phosphorous

B  oxygen

C  hydrogen

D  carbon

E  nitrogen

A  euglena

B  algae

C  green plant

D  fungus

E  mold

A  ciliophora

B  amoeba/sarcodina

C  apicomplexa/sporozoa

D  None of the choices are correct.

E  mastigophora

A  Spirochete

B  Rod

C  Coccus

D  Tetrad

E  Vibrio

A  Store the genetic information of the cell

B  Provide cell with energy through cell respiration

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  add contrast in order to see them better

B  see motility

C  kill them

D  enlarge the cells

E  secure them to the slide

A  capsule

B  simple

C  flagellar

D  acid-fast or Ziehl-Neelson

E  differential

A  incubator

B  loop

C  streak

D  inoculum

E  colony

A  Lack cell structure

B  Cannot be seen without a microscope

C  Contain genetic material

D  Cause human disease

E  Lack a nucleus

A  the last common ancestor

B  archaea

C  bacteria

D  prokaryotes

E  None of the choices are correct.

A  minimal

B  enriched

C  complex

D  synthetic

E  reducing

A  positive chemotaxis

B  positive phototaxis

C  a tumble

D  negative phototaxis

E  negative chemotaxis

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

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 eukaryotic cell ingested a bacterial cell and the organelles fused producing a larger 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  helminths

C  yeasts and molds

D  All of the choices are correct.

E  algae and protozoa

A  Nucleus

B  All of the choices are correct.

C  Mitochondria

D  Lysosomes

E  Endoplasmic reticulum

A  pathogenic package

B  slime coat

C  envelope

D  glycocalyx

E  None of the choices is correct.

A  Include single-celled and filamentous forms

B  Photosynthetic

C  Can use a wide variety of nutrients

D  Have cell walls

E  Heterotrophic nutrition

A  nucleoplasm

B  nucleosome

C  nuclear envelope

D  nucleolus

E  chromatin

A  isolation

B  Inoculation

C  infection

D  immunization

E  contamination

A  molds

B  parasitic worms

C  infectious particles

D  bacteria

E  protozoa

A  Streak plate

B  All of the choices are correct.

C  Pour plate

D  None of the choices are correct.

E  Spread plate

A  endoplasmic reticulum

B  lysosomes

C  mitochondria

D  Golgi apparatus

E  chloroplasts

A  Loop

B  Petri dish

C  Swab

D  Needle

E  Pipette

A  cyanobacteria

B  archaea

C  gram-negative organisms

D  gram-positive organisms

E  mycoplasmas

A  saturated

B  polyunsaturated

C  monounsaturated

D  None of the choices are correct.

E  unsaturated

A  cilia

B  flagella

C  periplasmic flagella (axial filaments)

D  fimbriae

E  sex pili

A  All of the choices are functions.

B  Protection

C  Movement

D  Adherence

E  Reception of chemical signals

A  Fatty acids

B  All of the choices are correct.

C  Glycerol

D  Alcohol

E  Phosphate

A  Nucleus

B  Ribosomes

C  Cytoplasmic membrane

D  DNA

A  enzymes for metabolism

B  70S ribosomes (prokaryote)

C  electron transport chain proteins

D  cristae

E  enzymes for photosynthesis

A  The incubation temperature was incorrect.

B  The culture medium must be selective.

C  The microbiologist used too much inoculum.

D  The culture medium must be differential.

E  The culture is contaminated.

A  nucleus; endoplasmic reticulum

B  cytoplasm; endoplasmic reticulum

C  cytoplasm; Golgi apparatus

D  nucleus; Golgi apparatus

A  slime layers

B  cell walls

C  cell membranes

D  inclusions

E  capsules

A  ribosomes

B  mitochondria

C  cell membrane

D  cell wall

E  inclusions

A  ocular

B  objective

C  nosepiece

D  condenser

E  stage