Exam 2

A  hydrogen bonds

B  repeating monomers

C  electrolytic molecules

D  repeating carbohydrates

E  hydrophobic molecules

A  flagella

B  None of the choices are correct.

C  microtubules

D  Cilia

E  filaments

A  protection and motility

B  attachment and motility

C  motility and slime production

D  energy reactions and synthesis

E  attachment and protection

A  All of the choices are correct.

B  penicillinase

C  None of the choices are correct.

D  peptidase

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 the active, growing stage of the organism.

D  Protozoan cysts are a reproductive stage.

A  pores

B  histones

C  inclusions

D  chromatin

E  endoplasmic reticulum

A  electron

B  bright field

C  dark field

D  phase contrast

E  fluorescence

A  Has flexibility

B  Is solid at room temperature

C  Holds moisture

D  Is digested by most microbes

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

A  waxes

B  prostaglandins

C  steroids

D  Triglycerides

E  phospholipids

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  amino acids

B  polysaccharides

C  enzymes

D  nucleic acids

E  carbohydrates

A  It can stimulate fever in the human body

B  It is a specific cell wall lipid

C  It is found in acid-fast bacterial cell walls

D  It is involved in typhoid fever and some meningitis cases

E  It can cause septic shock in the human body

A  acid fast

B  gram-negative

C  gram-positive

D  found in archaea

E  a spheroplast

A  phosphate, glycerol, and fatty acids

B  nucleotides

C  glycerol and fatty acids

D  monosaccharides

E  amino acids

A  transport desired molecules into cells

B  move in response to light

C  not move in response to a chemical

D  move in response to a chemical

E  None of the choices is correct.

A  carbon

B  hydrogen

C  phosphorous

D  nitrogen

E  oxygen

A  algae

B  fungus

C  euglena

D  green plant

E  mold

A  apicomplexa/sporozoa

B  None of the choices are correct.

C  ciliophora

D  mastigophora

E  amoeba/sarcodina

A  Tetrad

B  Rod

C  Coccus

D  Vibrio

E  Spirochete

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

B  Store the genetic information of the cell

C  Provide cell with energy through cell respiration

D  Assemble amino acids into polypeptides

E  Contain hydrolytic enzymes to digest macromolecules

A  enlarge the cells

B  kill them

C  add contrast in order to see them better

D  secure them to the slide

E  see motility

A  differential

B  acid-fast or Ziehl-Neelson

C  simple

D  capsule

E  flagellar

A  inoculum

B  colony

C  streak

D  incubator

E  loop

A  Contain genetic material

B  Lack a nucleus

C  Cannot be seen without a microscope

D  Cause human disease

E  Lack cell structure

A  None of the choices are correct.

B  bacteria

C  prokaryotes

D  archaea

E  the last common ancestor

A  minimal

B  synthetic

C  complex

D  reducing

E  enriched

A  a tumble

B  negative phototaxis

C  positive chemotaxis

D  negative chemotaxis

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

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

A  yeasts and molds

B  helminths

C  algae and protozoa

D  All of the choices are correct.

E  None of the choices are correct.

A  Mitochondria

B  Nucleus

C  Endoplasmic reticulum

D  Lysosomes

E  All of the choices are correct.

A  envelope

B  pathogenic package

C  glycocalyx

D  slime coat

E  None of the choices is correct.

A  Can use a wide variety of nutrients

B  Have cell walls

C  Include single-celled and filamentous forms

D  Heterotrophic nutrition

E  Photosynthetic

A  nucleosome

B  nucleoplasm

C  chromatin

D  nuclear envelope

E  nucleolus

A  immunization

B  contamination

C  Inoculation

D  infection

E  isolation

A  infectious particles

B  molds

C  bacteria

D  parasitic worms

E  protozoa

A  Pour plate

B  None of the choices are correct.

C  All of the choices are correct.

D  Spread plate

E  Streak plate

A  endoplasmic reticulum

B  chloroplasts

C  mitochondria

D  Golgi apparatus

E  lysosomes

A  Needle

B  Pipette

C  Petri dish

D  Swab

E  Loop

A  gram-positive organisms

B  cyanobacteria

C  mycoplasmas

D  gram-negative organisms

E  archaea

A  None of the choices are correct.

B  unsaturated

C  monounsaturated

D  polyunsaturated

E  saturated

A  cilia

B  fimbriae

C  sex pili

D  periplasmic flagella (axial filaments)

E  flagella

A  Protection

B  Reception of chemical signals

C  All of the choices are functions.

D  Movement

E  Adherence

A  Phosphate

B  All of the choices are correct.

C  Glycerol

D  Fatty acids

E  Alcohol

A  DNA

B  Ribosomes

C  Nucleus

D  Cytoplasmic membrane

A  cristae

B  enzymes for photosynthesis

C  70S ribosomes (prokaryote)

D  enzymes for metabolism

E  electron transport chain proteins

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  cytoplasm; Golgi apparatus

B  cytoplasm; endoplasmic reticulum

C  nucleus; Golgi apparatus

D  nucleus; endoplasmic reticulum

A  slime layers

B  inclusions

C  cell membranes

D  cell walls

E  capsules

A  cell membrane

B  cell wall

C  ribosomes

D  inclusions

E  mitochondria

A  objective

B  stage

C  condenser

D  nosepiece

E  ocular