Exam 2

A  hydrogen bonds

B  electrolytic molecules

C  hydrophobic molecules

D  repeating carbohydrates

E  repeating monomers

A  None of the choices are correct.

B  Cilia

C  flagella

D  microtubules

E  filaments

A  attachment and motility

B  protection and motility

C  energy reactions and synthesis

D  motility and slime production

E  attachment and protection

A  All of the choices are correct.

B  penicillinase

C  None of the choices are correct.

D  Lysozyme

E  peptidase

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 reproductive stage.

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

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

A  histones

B  endoplasmic reticulum

C  pores

D  inclusions

E  chromatin

A  electron

B  phase contrast

C  bright field

D  fluorescence

E  dark field

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  Triglycerides

B  steroids

C  prostaglandins

D  phospholipids

E  waxes

A  Heterotroph – synthesize organic nutrients using light energy and CO2

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

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

A  polysaccharides

B  carbohydrates

C  nucleic acids

D  enzymes

E  amino acids

A  It can stimulate fever in the human body

B  It is found in acid-fast bacterial cell walls

C  It is involved in typhoid fever and some meningitis cases

D  It can cause septic shock in the human body

E  It is a specific cell wall lipid

A  gram-positive

B  gram-negative

C  found in archaea

D  acid fast

E  a spheroplast

A  monosaccharides

B  amino acids

C  nucleotides

D  phosphate, glycerol, and fatty acids

E  glycerol and fatty acids

A  not move in response to a chemical

B  move in response to a chemical

C  transport desired molecules into cells

D  None of the choices is correct.

E  move in response to light

A  phosphorous

B  carbon

C  nitrogen

D  hydrogen

E  oxygen

A  fungus

B  euglena

C  algae

D  green plant

E  mold

A  amoeba/sarcodina

B  apicomplexa/sporozoa

C  ciliophora

D  mastigophora

E  None of the choices are correct.

A  Tetrad

B  Vibrio

C  Spirochete

D  Rod

E  Coccus

A  Contain hydrolytic enzymes to digest macromolecules

B  Store the genetic information of the cell

C  Provide cell with energy through cell respiration

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

E  Assemble amino acids into polypeptides

A  enlarge the cells

B  add contrast in order to see them better

C  kill them

D  secure them to the slide

E  see motility

A  simple

B  acid-fast or Ziehl-Neelson

C  capsule

D  flagellar

E  differential

A  inoculum

B  loop

C  streak

D  incubator

E  colony

A  Lack a nucleus

B  Lack cell structure

C  Cause human disease

D  Cannot be seen without a microscope

E  Contain genetic material

A  the last common ancestor

B  None of the choices are correct.

C  archaea

D  prokaryotes

E  bacteria

A  reducing

B  complex

C  enriched

D  synthetic

E  minimal

A  negative phototaxis

B  positive phototaxis

C  negative chemotaxis

D  positive chemotaxis

E  a tumble

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  All of the choices are correct.

C  None of the choices are correct.

D  helminths

E  yeasts and molds

A  Mitochondria

B  Endoplasmic reticulum

C  Nucleus

D  All of the choices are correct.

E  Lysosomes

A  glycocalyx

B  envelope

C  slime coat

D  pathogenic package

E  None of the choices is correct.

A  Have cell walls

B  Include single-celled and filamentous forms

C  Heterotrophic nutrition

D  Can use a wide variety of nutrients

E  Photosynthetic

A  chromatin

B  nucleoplasm

C  nucleosome

D  nucleolus

E  nuclear envelope

A  immunization

B  Inoculation

C  infection

D  contamination

E  isolation

A  parasitic worms

B  infectious particles

C  bacteria

D  protozoa

E  molds

A  Spread plate

B  Pour plate

C  None of the choices are correct.

D  All of the choices are correct.

E  Streak plate

A  endoplasmic reticulum

B  chloroplasts

C  mitochondria

D  Golgi apparatus

E  lysosomes

A  Petri dish

B  Swab

C  Needle

D  Loop

E  Pipette

A  gram-negative organisms

B  gram-positive organisms

C  archaea

D  mycoplasmas

E  cyanobacteria

A  None of the choices are correct.

B  polyunsaturated

C  saturated

D  unsaturated

E  monounsaturated

A  flagella

B  sex pili

C  fimbriae

D  periplasmic flagella (axial filaments)

E  cilia

A  Adherence

B  Movement

C  Protection

D  Reception of chemical signals

E  All of the choices are functions.

A  All of the choices are correct.

B  Glycerol

C  Alcohol

D  Fatty acids

E  Phosphate

A  Cytoplasmic membrane

B  DNA

C  Ribosomes

D  Nucleus

A  electron transport chain proteins

B  70S ribosomes (prokaryote)

C  enzymes for photosynthesis

D  enzymes for metabolism

E  cristae

A  The culture medium must be differential.

B  The culture medium must be selective.

C  The microbiologist used too much inoculum.

D  The incubation temperature was incorrect.

E  The culture is contaminated.

A  nucleus; Golgi apparatus

B  cytoplasm; Golgi apparatus

C  cytoplasm; endoplasmic reticulum

D  nucleus; endoplasmic reticulum

A  inclusions

B  cell walls

C  slime layers

D  capsules

E  cell membranes

A  inclusions

B  mitochondria

C  ribosomes

D  cell membrane

E  cell wall

A  condenser

B  objective

C  stage

D  ocular

E  nosepiece