Exam 2

A  hydrogen bonds

B  hydrophobic molecules

C  electrolytic molecules

D  repeating monomers

E  repeating carbohydrates

A  Cilia

B  None of the choices are correct.

C  flagella

D  microtubules

E  filaments

A  attachment and protection

B  motility and slime production

C  protection and motility

D  attachment and motility

E  energy reactions and synthesis

A  None of the choices are correct.

B  Lysozyme

C  All of the choices are correct.

D  peptidase

E  penicillinase

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

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

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 a reproductive stage.

A  chromatin

B  pores

C  histones

D  inclusions

E  endoplasmic reticulum

A  fluorescence

B  dark field

C  bright field

D  phase contrast

E  electron

A  Is digested by most microbes

B  Has flexibility

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

D  Is solid at room temperature

E  Holds moisture

A  steroids

B  Triglycerides

C  prostaglandins

D  phospholipids

E  waxes

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  amino acids

B  carbohydrates

C  enzymes

D  nucleic acids

E  polysaccharides

A  It can stimulate fever in the human body

B  It is involved in typhoid fever and some meningitis cases

C  It can cause septic shock in the human body

D  It is found in acid-fast bacterial cell walls

E  It is a specific cell wall lipid

A  a spheroplast

B  gram-positive

C  found in archaea

D  acid fast

E  gram-negative

A  monosaccharides

B  amino acids

C  phosphate, glycerol, and fatty acids

D  glycerol and fatty acids

E  nucleotides

A  move in response to a chemical

B  move in response to light

C  transport desired molecules into cells

D  not move in response to a chemical

E  None of the choices is correct.

A  carbon

B  oxygen

C  nitrogen

D  phosphorous

E  hydrogen

A  mold

B  algae

C  green plant

D  euglena

E  fungus

A  ciliophora

B  amoeba/sarcodina

C  None of the choices are correct.

D  apicomplexa/sporozoa

E  mastigophora

A  Coccus

B  Rod

C  Spirochete

D  Vibrio

E  Tetrad

A  Assemble amino acids into polypeptides

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  Contain hydrolytic enzymes to digest macromolecules

A  secure them to the slide

B  add contrast in order to see them better

C  enlarge the cells

D  kill them

E  see motility

A  differential

B  simple

C  capsule

D  acid-fast or Ziehl-Neelson

E  flagellar

A  streak

B  loop

C  incubator

D  colony

E  inoculum

A  Cannot be seen without a microscope

B  Lack cell structure

C  Cause human disease

D  Contain genetic material

E  Lack a nucleus

A  prokaryotes

B  archaea

C  the last common ancestor

D  bacteria

E  None of the choices are correct.

A  synthetic

B  enriched

C  minimal

D  reducing

E  complex

A  negative phototaxis

B  positive chemotaxis

C  a tumble

D  positive phototaxis

E  negative 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  algae and protozoa

B  None of the choices are correct.

C  yeasts and molds

D  helminths

E  All of the choices are correct.

A  Endoplasmic reticulum

B  All of the choices are correct.

C  Mitochondria

D  Lysosomes

E  Nucleus

A  envelope

B  slime coat

C  None of the choices is correct.

D  pathogenic package

E  glycocalyx

A  Include single-celled and filamentous forms

B  Can use a wide variety of nutrients

C  Heterotrophic nutrition

D  Have cell walls

E  Photosynthetic

A  nucleolus

B  nucleoplasm

C  nuclear envelope

D  nucleosome

E  chromatin

A  contamination

B  isolation

C  infection

D  Inoculation

E  immunization

A  protozoa

B  parasitic worms

C  infectious particles

D  bacteria

E  molds

A  All of the choices are correct.

B  None of the choices are correct.

C  Pour plate

D  Streak plate

E  Spread plate

A  lysosomes

B  Golgi apparatus

C  endoplasmic reticulum

D  chloroplasts

E  mitochondria

A  Petri dish

B  Swab

C  Needle

D  Loop

E  Pipette

A  cyanobacteria

B  mycoplasmas

C  archaea

D  gram-positive organisms

E  gram-negative organisms

A  monounsaturated

B  polyunsaturated

C  None of the choices are correct.

D  saturated

E  unsaturated

A  sex pili

B  periplasmic flagella (axial filaments)

C  fimbriae

D  flagella

E  cilia

A  Protection

B  Reception of chemical signals

C  Adherence

D  All of the choices are functions.

E  Movement

A  All of the choices are correct.

B  Fatty acids

C  Glycerol

D  Alcohol

E  Phosphate

A  Ribosomes

B  Nucleus

C  DNA

D  Cytoplasmic membrane

A  enzymes for metabolism

B  cristae

C  electron transport chain proteins

D  70S ribosomes (prokaryote)

E  enzymes for photosynthesis

A  The culture is contaminated.

B  The microbiologist used too much inoculum.

C  The culture medium must be selective.

D  The culture medium must be differential.

E  The incubation temperature was incorrect.

A  nucleus; Golgi apparatus

B  cytoplasm; endoplasmic reticulum

C  cytoplasm; Golgi apparatus

D  nucleus; endoplasmic reticulum

A  slime layers

B  cell walls

C  inclusions

D  cell membranes

E  capsules

A  ribosomes

B  cell wall

C  inclusions

D  mitochondria

E  cell membrane

A  condenser

B  nosepiece

C  objective

D  ocular

E  stage