Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
|
What are the characteristics of bacteria?
|
Prokaryotes, Ds circular DNA, Plasmids, capsules, no membrane bound organelles except ribosomes
|
|
|
How do bacteria move?
|
flagella, axial filaments, pili(conjugation)
|
|
|
What are the 2 characteristics of bacterial cell walls?
|
Gram positive and gram negative
|
|
|
What are the characteristics of gram positive membranes?
|
Thick peptidoglycan layer that contains teichoic acids.
|
|
|
What are the characteristics of gram negative membranes?
|
Thin peptidoglycan layer, surrounded by an outer membrane comprised of O antigen and Lipid A
|
|
|
What polymers make up the peptidoglycan layer?
|
NAG and NAM
|
|
|
What is unique about Mycobacteria?
|
The wall contains mycolic acids that resist drying
|
|
|
What kind of nutrition do bacteria exhibit?
|
heterotrophic
|
|
|
What kind of mutations do bacteria exhibit?
|
point, substitutions, insertions, recombinations
|
|
|
How do bacteria protect themselves from the environment?
|
endospores, dehydration caused by calcium and dipicolinic acids
|
|
|
What are characteristics of Eukaryotic cells?
|
Membrane bound organelles that synthesize, add lipids, glycosolate, sort, protect, and form ATP
|
|
|
What are characteristics of yeast and mold?
|
fungi, mold-budding, yeast-hyphae that may form mycelium
|
|
|
What are two infections associated with fungi?
|
Deep and superficial mycoses
|
|
|
Trypanosomes and plasmodium are protozoa injected thru?
|
Bites
|
|
|
Entamoeba is a protozoa injected by?
|
Ingestion
|
|
|
Roundworm, tapeworm, flukes, Trichinella are examples of?
|
Parasitic worms
|
|
|
Viral genes can be RNA or DNA and Ds or Ss, what are they stored in?
|
Capsids surrounded by capsomeres
|
|
|
What are common forms of viral transmission?
|
inhalation, food, water, direct transfer, or bites
|
|
|
What are four effects of viruses on cells?
|
Lysis, latent infection(hep b), persistant(herpes), transformation
|
