Exam 2

A  hydrophobic molecules

B  hydrogen bonds

C  electrolytic molecules

D  repeating monomers

E  repeating carbohydrates

A  None of the choices are correct.

B  Cilia

C  flagella

D  filaments

E  microtubules

A  protection and motility

B  energy reactions and synthesis

C  attachment and motility

D  attachment and protection

E  motility and slime production

A  Lysozyme

B  peptidase

C  None of the choices are correct.

D  penicillinase

E  All of the choices are correct.

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

B  Protozoan cysts are a reproductive stage.

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

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

A  inclusions

B  pores

C  endoplasmic reticulum

D  histones

E  chromatin

A  dark field

B  fluorescence

C  bright field

D  electron

E  phase contrast

A  Holds moisture

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

C  Is solid at room temperature

D  Is digested by most microbes

E  Has flexibility

A  waxes

B  steroids

C  phospholipids

D  Triglycerides

E  prostaglandins

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  enzymes

B  carbohydrates

C  polysaccharides

D  amino acids

E  nucleic acids

A  It can cause septic shock in the human body

B  It can stimulate fever in the human body

C  It is found in acid-fast bacterial cell walls

D  It is involved in typhoid fever and some meningitis cases

E  It is a specific cell wall lipid

A  found in archaea

B  gram-negative

C  a spheroplast

D  acid fast

E  gram-positive

A  nucleotides

B  glycerol and fatty acids

C  monosaccharides

D  phosphate, glycerol, and fatty acids

E  amino acids

A  None of the choices is correct.

B  move in response to a chemical

C  move in response to light

D  transport desired molecules into cells

E  not move in response to a chemical

A  phosphorous

B  oxygen

C  nitrogen

D  carbon

E  hydrogen

A  mold

B  fungus

C  green plant

D  euglena

E  algae

A  amoeba/sarcodina

B  mastigophora

C  None of the choices are correct.

D  apicomplexa/sporozoa

E  ciliophora

A  Rod

B  Tetrad

C  Vibrio

D  Coccus

E  Spirochete

A  Contain hydrolytic enzymes to digest macromolecules

B  Provide cell with energy through cell respiration

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  secure them to the slide

B  enlarge the cells

C  kill them

D  add contrast in order to see them better

E  see motility

A  flagellar

B  simple

C  capsule

D  differential

E  acid-fast or Ziehl-Neelson

A  streak

B  colony

C  incubator

D  loop

E  inoculum

A  Cause human disease

B  Cannot be seen without a microscope

C  Lack cell structure

D  Lack a nucleus

E  Contain genetic material

A  None of the choices are correct.

B  the last common ancestor

C  prokaryotes

D  archaea

E  bacteria

A  synthetic

B  enriched

C  reducing

D  minimal

E  complex

A  negative chemotaxis

B  a tumble

C  positive phototaxis

D  positive chemotaxis

E  negative phototaxis

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

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

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

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

A  algae and protozoa

B  yeasts and molds

C  All of the choices are correct.

D  helminths

E  None of the choices are correct.

A  All of the choices are correct.

B  Endoplasmic reticulum

C  Nucleus

D  Mitochondria

E  Lysosomes

A  envelope

B  slime coat

C  pathogenic package

D  None of the choices is correct.

E  glycocalyx

A  Heterotrophic nutrition

B  Include single-celled and filamentous forms

C  Have cell walls

D  Can use a wide variety of nutrients

E  Photosynthetic

A  nucleolus

B  chromatin

C  nucleoplasm

D  nuclear envelope

E  nucleosome

A  isolation

B  infection

C  immunization

D  Inoculation

E  contamination

A  bacteria

B  infectious particles

C  protozoa

D  parasitic worms

E  molds

A  Streak plate

B  Pour plate

C  All of the choices are correct.

D  Spread plate

E  None of the choices are correct.

A  mitochondria

B  endoplasmic reticulum

C  chloroplasts

D  Golgi apparatus

E  lysosomes

A  Loop

B  Needle

C  Petri dish

D  Pipette

E  Swab

A  archaea

B  cyanobacteria

C  gram-negative organisms

D  mycoplasmas

E  gram-positive organisms

A  polyunsaturated

B  saturated

C  unsaturated

D  monounsaturated

E  None of the choices are correct.

A  periplasmic flagella (axial filaments)

B  cilia

C  fimbriae

D  flagella

E  sex pili

A  Movement

B  Reception of chemical signals

C  Protection

D  All of the choices are functions.

E  Adherence

A  Fatty acids

B  Phosphate

C  Glycerol

D  Alcohol

E  All of the choices are correct.

A  DNA

B  Nucleus

C  Ribosomes

D  Cytoplasmic membrane

A  electron transport chain proteins

B  cristae

C  enzymes for metabolism

D  enzymes for photosynthesis

E  70S ribosomes (prokaryote)

A  The incubation temperature was incorrect.

B  The culture medium must be differential.

C  The culture is contaminated.

D  The microbiologist used too much inoculum.

E  The culture medium must be selective.

A  cytoplasm; endoplasmic reticulum

B  cytoplasm; Golgi apparatus

C  nucleus; Golgi apparatus

D  nucleus; endoplasmic reticulum

A  inclusions

B  capsules

C  slime layers

D  cell membranes

E  cell walls

A  inclusions

B  cell wall

C  cell membrane

D  ribosomes

E  mitochondria

A  condenser

B  objective

C  ocular

D  stage

E  nosepiece