Exam 2

A  repeating monomers

B  hydrogen bonds

C  repeating carbohydrates

D  electrolytic molecules

E  hydrophobic molecules

A  Cilia

B  filaments

C  microtubules

D  flagella

E  None of the choices are correct.

A  protection and motility

B  attachment and motility

C  attachment and protection

D  energy reactions and synthesis

E  motility and slime production

A  All of the choices are correct.

B  penicillinase

C  Lysozyme

D  peptidase

E  None of the choices are correct.

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 the active, growing stage of the organism.

D  Protozoan cysts are a reproductive stage.

A  pores

B  chromatin

C  histones

D  inclusions

E  endoplasmic reticulum

A  dark field

B  fluorescence

C  electron

D  phase contrast

E  bright field

A  Is solid at room temperature

B  Holds moisture

C  Has flexibility

D  Is digested by most microbes

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

A  phospholipids

B  waxes

C  prostaglandins

D  steroids

E  Triglycerides

A  Heterotroph – synthesize organic nutrients using light energy and CO2

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

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

A  carbohydrates

B  amino acids

C  nucleic acids

D  polysaccharides

E  enzymes

A  It is a specific cell wall lipid

B  It is found in acid-fast bacterial cell walls

C  It can stimulate fever in the human body

D  It can cause septic shock in the human body

E  It is involved in typhoid fever and some meningitis cases

A  gram-positive

B  found in archaea

C  acid fast

D  gram-negative

E  a spheroplast

A  monosaccharides

B  phosphate, glycerol, and fatty acids

C  amino acids

D  glycerol and fatty acids

E  nucleotides

A  not move in response to a chemical

B  move in response to a chemical

C  None of the choices is correct.

D  transport desired molecules into cells

E  move in response to light

A  nitrogen

B  carbon

C  oxygen

D  hydrogen

E  phosphorous

A  mold

B  fungus

C  green plant

D  euglena

E  algae

A  None of the choices are correct.

B  ciliophora

C  apicomplexa/sporozoa

D  mastigophora

E  amoeba/sarcodina

A  Coccus

B  Tetrad

C  Vibrio

D  Rod

E  Spirochete

A  Provide cell with energy through cell respiration

B  Contain hydrolytic enzymes to digest macromolecules

C  Assemble amino acids into polypeptides

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

E  Store the genetic information of the cell

A  enlarge the cells

B  kill them

C  see motility

D  add contrast in order to see them better

E  secure them to the slide

A  acid-fast or Ziehl-Neelson

B  flagellar

C  capsule

D  differential

E  simple

A  colony

B  loop

C  incubator

D  streak

E  inoculum

A  Cause human disease

B  Cannot be seen without a microscope

C  Lack a nucleus

D  Lack cell structure

E  Contain genetic material

A  archaea

B  the last common ancestor

C  bacteria

D  prokaryotes

E  None of the choices are correct.

A  complex

B  reducing

C  enriched

D  synthetic

E  minimal

A  negative phototaxis

B  negative chemotaxis

C  positive chemotaxis

D  a tumble

E  positive phototaxis

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  All of the choices are correct.

B  helminths

C  None of the choices are correct.

D  yeasts and molds

E  algae and protozoa

A  Mitochondria

B  Nucleus

C  Endoplasmic reticulum

D  Lysosomes

E  All of the choices are correct.

A  pathogenic package

B  envelope

C  None of the choices is correct.

D  glycocalyx

E  slime coat

A  Heterotrophic nutrition

B  Have cell walls

C  Photosynthetic

D  Include single-celled and filamentous forms

E  Can use a wide variety of nutrients

A  chromatin

B  nucleoplasm

C  nucleosome

D  nuclear envelope

E  nucleolus

A  infection

B  Inoculation

C  isolation

D  immunization

E  contamination

A  parasitic worms

B  molds

C  protozoa

D  infectious particles

E  bacteria

A  Streak plate

B  All of the choices are correct.

C  Pour plate

D  None of the choices are correct.

E  Spread plate

A  lysosomes

B  mitochondria

C  chloroplasts

D  Golgi apparatus

E  endoplasmic reticulum

A  Needle

B  Petri dish

C  Pipette

D  Loop

E  Swab

A  archaea

B  cyanobacteria

C  gram-positive organisms

D  mycoplasmas

E  gram-negative organisms

A  monounsaturated

B  None of the choices are correct.

C  saturated

D  polyunsaturated

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  Movement

E  All of the choices are functions.

A  Phosphate

B  Glycerol

C  All of the choices are correct.

D  Alcohol

E  Fatty acids

A  Nucleus

B  Cytoplasmic membrane

C  Ribosomes

D  DNA

A  enzymes for photosynthesis

B  enzymes for metabolism

C  electron transport chain proteins

D  cristae

E  70S ribosomes (prokaryote)

A  The incubation temperature was incorrect.

B  The microbiologist used too much inoculum.

C  The culture medium must be selective.

D  The culture is contaminated.

E  The culture medium must be differential.

A  nucleus; Golgi apparatus

B  cytoplasm; Golgi apparatus

C  cytoplasm; endoplasmic reticulum

D  nucleus; endoplasmic reticulum

A  slime layers

B  capsules

C  cell walls

D  cell membranes

E  inclusions

A  ribosomes

B  mitochondria

C  cell wall

D  inclusions

E  cell membrane

A  nosepiece

B  objective

C  condenser

D  stage

E  ocular