Exam 1

A  electrolytic molecules

B  hydrogen bonds

C  repeating monomers

D  repeating carbohydrates

E  hydrophobic molecules

A  flagella

B  Cilia

C  None of the choices are correct.

D  microtubules

E  filaments

A  protection and motility

B  attachment and motility

C  energy reactions and synthesis

D  motility and slime production

E  attachment and protection

A  penicillinase

B  None of the choices are correct.

C  All 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 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  endoplasmic reticulum

B  inclusions

C  histones

D  chromatin

E  pores

A  electron

B  dark field

C  fluorescence

D  bright field

E  phase contrast

A  Is digested by most microbes

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

C  Is solid at room temperature

D  Has flexibility

E  Holds moisture

A  triglycerides

B  waxes

C  prostaglandins

D  phospholipids

E  steroids

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  polysaccharides

B  carbohydrates

C  nucleic acids

D  amino acids

E  enzymes

A  It can stimulate fever in the human body

B  It is a specific cell wall lipid

C  It can cause septic shock in the human body

D  It is involved in typhoid fever and some meningitis cases

E  It is found in acid-fast bacterial cell walls

A  acid fast

B  found in archaea

C  gram-positive

D  a spheroplast

E  gram-negative

A  amino acids

B  nucleotides

C  monosaccharides

D  phosphate, glycerol, and fatty acids

E  glycerol and fatty acids

A  transport desired molecules into cells

B  not move in response to a chemical

C  move in response to a chemical

D  None of the choices is correct.

E  move in response to light

A  carbon

B  hydrogen

C  phosphorous

D  nitrogen

E  oxygen

A  euglena

B  green plant

C  mold

D  algae

E  fungus

A  None of the choices are correct.

B  ciliophora

C  apicomplexa/sporozoa

D  amoeba/sarcodina

E  mastigophora

A  Vibrio

B  Coccus

C  Spirochete

D  Rod

E  Tetrad

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

B  Contain hydrolytic enzymes to digest macromolecules

C  Store the genetic information of the cell

D  Provide cell with energy through cell respiration

E  Assemble amino acids into polypeptides

A  see motility

B  enlarge the cells

C  add contrast in order to see them better

D  secure them to the slide

E  kill them

A  capsule

B  flagellar

C  simple

D  acid-fast or Ziehl-Neelson

E  differential

A  loop

B  inoculum

C  incubator

D  streak

E  colony

A  Cause human disease

B  Cannot be seen without a microscope

C  Lack cell structure

D  Lack a nucleus

E  Contain genetic material

A  bacteria

B  the last common ancestor

C  None of the choices are correct.

D  prokaryotes

E  archaea

A  complex

B  enriched

C  reducing

D  synthetic

E  minimal

A  negative phototaxis

B  a tumble

C  positive chemotaxis

D  positive phototaxis

E  negative chemotaxis

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  algae and protozoa

B  yeasts and molds

C  All of the choices are correct.

D  None of the choices are correct.

E  helminths

A  Endoplasmic reticulum

B  Lysosomes

C  Nucleus

D  Mitochondria

E  All of the choices are correct.

A  pathogenic package

B  envelope

C  glycocalyx

D  None of the choices is correct.

E  slime coat

A  Have cell walls

B  Can use a wide variety of nutrients

C  Photosynthetic

D  Include single-celled and filamentous forms

E  Heterotrophic nutrition

A  nucleoplasm

B  nucleolus

C  nuclear envelope

D  nucleosome

E  chromatin

A  contamination

B  inoculation

C  infection

D  immunization

E  isolation

A  infectious particles

B  parasitic worms

C  bacteria

D  protozoa

E  molds

A  All of the choices are correct.

B  Spread plate

C  None of the choices are correct.

D  Streak plate

E  Pour plate

A  endoplasmic reticulum

B  mitochondria

C  chloroplasts

D  Golgi apparatus

E  lysosomes

A  Swab

B  Loop

C  Pipette

D  Petri dish

E  Needle

A  cyanobacteria

B  mycoplasmas

C  gram-negative organisms

D  archaea

E  gram-positive organisms

A  None of the choices are correct.

B  saturated

C  polyunsaturated

D  unsaturated

E  monounsaturated

A  fimbriae

B  sex pili

C  periplasmic flagella (axial filaments)

D  cilia

E  flagella

A  Adherence

B  Protection

C  Reception of chemical signals

D  All of the choices are functions.

E  Movement

A  All of the choices are correct.

B  Alcohol

C  Glycerol

D  Fatty acids

E  Phosphate

A  Ribosomes

B  Nucleus

C  Cytoplasmic membrane

D  DNA

A  enzymes for metabolism

B  electron transport chain proteins

C  cristae

D  70S ribosomes (prokaryote)

E  enzymes for photosynthesis

A  The incubation temperature was incorrect.

B  The culture medium must be differential.

C  The microbiologist used too much inoculum.

D  The culture is contaminated.

E  The culture medium must be selective.

A  cytoplasm; endoplasmic reticulum

B  nucleus; Golgi apparatus

C  nucleus; endoplasmic reticulum

D  cytoplasm; Golgi apparatus

A  slime layers

B  capsules

C  cell walls

D  cell membranes

E  inclusions

A  mitochondria

B  ribosomes

C  cell wall

D  inclusions

E  cell membrane

A  condenser

B  ocular

C  objective

D  stage

E  nosepiece