Exam 1

A  hydrogen bonds

B  repeating monomers

C  hydrophobic molecules

D  electrolytic molecules

E  repeating carbohydrates

A  microtubules

B  None of the choices are correct.

C  Cilia

D  filaments

E  flagella

A  protection and motility

B  energy reactions and synthesis

C  attachment and protection

D  motility and slime production

E  attachment and motility

A  None of the choices are correct.

B  peptidase

C  All of the choices are correct.

D  penicillinase

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  histones

B  pores

C  inclusions

D  endoplasmic reticulum

E  chromatin

A  electron

B  phase contrast

C  dark field

D  bright field

E  fluorescence

A  Holds moisture

B  Is digested by most microbes

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

D  Is solid at room temperature

E  Has flexibility

A  phospholipids

B  prostaglandins

C  steroids

D  triglycerides

E  waxes

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

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

C  Heterotroph – synthesize organic nutrients using light energy and CO2

A  carbohydrates

B  amino acids

C  nucleic acids

D  enzymes

E  polysaccharides

A  It is found in acid-fast bacterial cell walls

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 can stimulate fever in the human body

A  gram-positive

B  gram-negative

C  acid fast

D  a spheroplast

E  found in archaea

A  monosaccharides

B  amino acids

C  nucleotides

D  phosphate, glycerol, and fatty acids

E  glycerol and fatty acids

A  transport desired molecules into cells

B  move in response to a chemical

C  move in response to light

D  None of the choices is correct.

E  not move in response to a chemical

A  nitrogen

B  oxygen

C  hydrogen

D  phosphorous

E  carbon

A  mold

B  green plant

C  fungus

D  algae

E  euglena

A  mastigophora

B  apicomplexa/sporozoa

C  None of the choices are correct.

D  ciliophora

E  amoeba/sarcodina

A  Coccus

B  Vibrio

C  Rod

D  Spirochete

E  Tetrad

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

B  Contain hydrolytic enzymes to digest macromolecules

C  Provide cell with energy through cell respiration

D  Store the genetic information of the cell

E  Assemble amino acids into polypeptides

A  add contrast in order to see them better

B  see motility

C  enlarge the cells

D  kill them

E  secure them to the slide

A  differential

B  simple

C  flagellar

D  capsule

E  acid-fast or Ziehl-Neelson

A  inoculum

B  streak

C  loop

D  incubator

E  colony

A  Lack a nucleus

B  Cause human disease

C  Cannot be seen without a microscope

D  Contain genetic material

E  Lack cell structure

A  the last common ancestor

B  archaea

C  bacteria

D  prokaryotes

E  None of the choices are correct.

A  synthetic

B  reducing

C  minimal

D  complex

E  enriched

A  positive chemotaxis

B  positive phototaxis

C  negative phototaxis

D  negative chemotaxis

E  a tumble

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

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

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  All of the choices are correct.

B  yeasts and molds

C  None of the choices are correct.

D  algae and protozoa

E  helminths

A  Endoplasmic reticulum

B  All of the choices are correct.

C  Mitochondria

D  Lysosomes

E  Nucleus

A  pathogenic package

B  slime coat

C  glycocalyx

D  None of the choices is correct.

E  envelope

A  Have cell walls

B  Include single-celled and filamentous forms

C  Photosynthetic

D  Heterotrophic nutrition

E  Can use a wide variety of nutrients

A  chromatin

B  nucleoplasm

C  nucleolus

D  nucleosome

E  nuclear envelope

A  immunization

B  isolation

C  contamination

D  inoculation

E  infection

A  parasitic worms

B  bacteria

C  molds

D  infectious particles

E  protozoa

A  Streak plate

B  All of the choices are correct.

C  None of the choices are correct.

D  Pour plate

E  Spread plate

A  endoplasmic reticulum

B  Golgi apparatus

C  chloroplasts

D  mitochondria

E  lysosomes

A  Petri dish

B  Loop

C  Needle

D  Swab

E  Pipette

A  archaea

B  gram-positive organisms

C  cyanobacteria

D  gram-negative organisms

E  mycoplasmas

A  saturated

B  unsaturated

C  monounsaturated

D  polyunsaturated

E  None of the choices are correct.

A  cilia

B  flagella

C  periplasmic flagella (axial filaments)

D  fimbriae

E  sex pili

A  Adherence

B  Protection

C  All of the choices are functions.

D  Reception of chemical signals

E  Movement

A  Alcohol

B  All of the choices are correct.

C  Phosphate

D  Glycerol

E  Fatty acids

A  Ribosomes

B  Cytoplasmic membrane

C  Nucleus

D  DNA

A  enzymes for metabolism

B  cristae

C  electron transport chain proteins

D  70S ribosomes (prokaryote)

E  enzymes for photosynthesis

A  The incubation temperature was incorrect.

B  The culture is contaminated.

C  The microbiologist used too much inoculum.

D  The culture medium must be selective.

E  The culture medium must be differential.

A  nucleus; Golgi apparatus

B  cytoplasm; Golgi apparatus

C  nucleus; endoplasmic reticulum

D  cytoplasm; endoplasmic reticulum

A  slime layers

B  inclusions

C  cell membranes

D  capsules

E  cell walls

A  cell membrane

B  cell wall

C  ribosomes

D  mitochondria

E  inclusions

A  stage

B  ocular

C  condenser

D  objective

E  nosepiece