Chapter 28 Flashcards
Bacteria have a ___________ cell structure.
prokaryotic
Bacteria are _______ non-nucleated cells.
haploid
What is the bacteria’s cell wall composed of?
protein peptidoglycan (protein + carbohydrate)
Some bacteria have an utter covering called?
Lipopolysaccharides (lipid + cellulose) or LPS
The cell membrane of bacteria is a _________ _________.
phospholipid bilayer
Bacteria have a DNA ring called?
plasmid
Bacteria had a cytoplasm with?
ribosomes
Coccus is _________ shaped bacteria.
sphere
Pairs of cocci are called?
Diplococcus
Groups of four cocci are called?
Tetrad
Clusters of cocci are called?
Staphylococcus
Chains of cocci are called?
Streptococcus
Rod shaped bacilli are called?
Bacillus
Fixed spiral shaped bacteria are called?
Spirillum
Flexible spiral shaped bacteria are called?
Spirochete
The structural capsule feature of bacteria is a?
mucus like covering
The structural bacterial biofilm feature is?
plaque
The filaments for locomotion for bacteria is?
flagella
What is the structural feature for attachment and reproduction of bacteria?
pili filaments
Endospores - cell hibernation is?
tetanus
Bacteria is asexual by?
binary fission
What are the steps of binary fission
- DNA duplicates itself and the copies attach to the membrane
- Cell elongates and cytokinesis occurs between the cells
- Transfer of DNA through a pili filament conjugation bridge.
- Fission follows the DNA transfer
Cyanobacteria is?
blue- green algae
All groups of photosynthesizing bacteria are in which domain?
Domain Bacteria
Heterocycts allow what?
nitrogen fixation
Nostoc and anabaena are examples of?
bacteria
What is an example of nitrogen fixing bacteria?
rhizobium
nitrogen fixing bacteria form ________ on plant roots?
nodules
Nitrogen fixing bacteria converts nitrogen gas in the soil into ______ for the plant to produce _______.
ammonia, proteins
The plant provides water and sugar for the bacteria which is called
mutualistic symbiosis
What is lactobacillus?
cheese bacteria
What fungi is added to make blue cheese?
penicillium
Chlamydia is a ________ intracellular _________.
obligate, parasite
What is the 1# STD in the US?
chlamydia
Chlamydia forms cell _______ for protection.
inclusions
Which STD can cause sterility?
Chlamydia
What is syphilis caused by?
spirochete
How many stages does syphilis have?
four
What is the primary stage of syphilis?
A canker sore of female or male genitals.
What is the secondary infection followed by a latent stage of syhilis?
a rash that appears over the entire body with a sore throat and oral lesions.
What is the tertiary infection of syphilis?
bacteria multiples in the blood and ravages entire body organs and joints. brain is targeted thus causing deranged behavior.