Chapter 4 - need to restudy Flashcards
The prefix Staphylo - means what?
grape-like clusters
A bacterial (what) is defined as a collection of cells that share a pattern of overall similarity in traits
species
celia are not possessed by
bacteria
what spore forming anaerobic bacteria genus and species causes gas gangrene?
cloistridium perfringens
cyanobacteria have an extensive system of internal membranes that function in photosynthesis called what?
thylakoids
cytoplasmic (what), such as granules or vesicles, can store organic and inorganic nutrients and even gases or magnetic iron oxides
inclusions
the tendency of cells of the same species to have a variety of shapes and sizes is called what?
pleomorphism
In addition to nonessential genes, plasmids carry what?
antibiotic resistance
Name two parts of the cell wall of mycobacteria
- mycolic acid 2. peptidoglycan
The prefix Strepto - means what?
is used to indicate that cells are arranged in “chains”
What does LPS stand for?
LipoPolySaccharide
Pili are composed of what protein?
pilin
What do Mycoplasma infections commonly cause?
walking pneumonia
The (what term?) is an intracellular network of actin and tubulin filaments that are found throughout the cytoplasm of eukaryotic cells and contribute to cell shape
cytoskeleton
What is the difference between a true nucleus and a nucleoid?
A true nucleus is surrounded by a membrane whereas a nucleoid is not
The (what term) is the name given to a structure external to and bound tightly to the cell wall that is made of polysaccharides and proteins and contributes to the pathology of the organism.
capsule
The depletion of nutrients is a stimulus for (what term) in bacteria?
sporulation
A (what term) is a cuboidal packet of 8, 16, or more cells
sarcina
Besides phospholipids, the outer membrane of a gram-negative cell wall contains (what term) that function as antigens and receptors and lipoproteins that anchor the phospholipids into the peptidoglycan layer.
lipopolysaccharides
What group of bacteria grows at very low temperature?
Psychrophiles
Only gram-negative bacteria contain a(n) what?
outer membrane
Green and purple sulfur bacteria differ from the cyanbacteria in having a different type of chlorophyll called what?
bacteriochlorophyll
What function(s) do Fungal spores have?
survival and reproduction
What function(s) do Bacterial endospores have?
survival only