Endospores can surive in soil for up to 30 years, select one that can't. select wrong one
C. bacillus
1 of 30
A cytoplasmic membrane contains:
WHAT to maintain membrane potential and synthetic enzymes
Ion pumps
2 of 30
A coiled portion of the membrane is called what
the mesosome
3 of 30
The mesosome acts as an anchor to bind and pull apart WHAT chromosomes during cell division
daughter
4 of 30
Peptidoglycan (murein) Form a repeating structure called WHAT
glycan tetrapeptide
5 of 30
Glycan chains connected by peptide cross links of HOW MANY amino acids to give rigidity
4
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peptidoglycan has Cross linking of WHAT with a tetrapeptide
NAM
7 of 30
In Gram-positive bacteria, cross linking involves a WHAT
peptide interbridge
8 of 30
Peptidoglycan Forms mesh like WHAT but is porous enough to allow diffusion of metabolites
exoskeleton
9 of 30
peptidoglycan Can interfere with phagocytosis, is BLANK for lymphocytes and has BLANK activity: FILL IN BLANKS
mitogenic and pyrogenic
10 of 30
First 2 amino acids may vary for different organisms, 3rd amino acid essential for cross linking, D-amino amino acids, include lysine and diaminopimelic acid (DAP) and Links to D-alanine in position WHAT of another chain
4
11 of 30
PEPTIDOGLYCAN IS Brought to the surface by a large phospholipid called WHAT and attached to the existing structure
bactoprenol
12 of 30
what acidic polysaccharide is also present in the wall of peptidoglycan (PG)
Teichoic acid
13 of 30
PG Contains BLANK or BLANK phosphate residues: FILL IN BLANK
glycerophosphate and ribitol
14 of 30
WHAT are bound to membrane lipids of Gram-positives:
Called lipoteichoic acids
Glycerol containing acids
15 of 30
WHAT may be attached to the hydroxyls of the ribose or glycerol:
SELECT WRONG ANSWER
lipoproteins
16 of 30
WHAT protein of Group A Streptococcus:
Present as fine processes called fimbriae
Protects from phagocytosis
M
17 of 30
WHAT PROTEIN of S. aureus:
Binds Fc region of IgG
Competes with neutrophil receptors for the Fc region of opsonising antibodies
A
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Gram-negative cell walls HAVE Cytoplasmic membrane and thin layer of peptidoglycan. WHAT contains a variety of hydrolytic enzymes necessary to break down large macromolecules for metabolism
Periplasmic space
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In pathogenic bacteria, there will be WHAT factors such as collagenases, hyaluronidases, proteases and beta-lactamase
virulence
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WHAT is Unique to Gram-negative prokaryotes
Outer membrane
21 of 30
Outer membrane has an Amphipathic molecule known as WHAT (AKA endotoxin)
LPS
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outer membrane and LPS is a Powerful stimulator of the immune response – select INCORRECT statement
Proliferate mast cells
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WHAT Is responsible for the endotoxic activity, Very toxic to host
Released in large quantities when cells die
Consists of 6 fatty acid chains and 2 glucosamine residues
lipid A
24 of 30
what is Branched and contains 9-12 sugars
Contains unusual sugar 2 keto-3-deoxy-octanate (KDO)
Core polysaccharide:
25 of 30
what is A long linear polysaccharide of 50-100 repeating saccharide units of 4-7 sugars per unit
O antigen:
26 of 30
with Roughly 100 on cell surface
10 angstrom (Å) diameter, what protein forms channels in the membrane:
porin
27 of 30
WHAT Act as transport proteins for larger metabolites including:
Maltose
Oligosaccharides
Vitamin B12
Nucleosides, and are less sensitive to antibiotics
Membrane pores
28 of 30
Acid-fast bacteria Mycobacterium:
Have a peptidoglycan layer attached to WHAT polymer
arabinogalactan
29 of 30
Mycobacterium Surrounded by a wax-like lipid coat of: select WRONG answer
arabinogalactan
30 of 30
Other cards in this set
Card 2
Front
A cytoplasmic membrane contains:
WHAT to maintain membrane potential and synthetic enzymes
Back
Ion pumps
Card 3
Front
A coiled portion of the membrane is called what
Back
Card 4
Front
The mesosome acts as an anchor to bind and pull apart WHAT chromosomes during cell division
Back
Card 5
Front
Peptidoglycan (murein) Form a repeating structure called WHAT
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