Flashcards in Ch 3 - Cell Structure Deck (26)
1
Thin structure that surrounds the cell
cytoplasmic membrane
2
_______ and ________help stabilize membrane by forming ionic bonds with negative charges on the phospholipids
Mg2+ and Ca2+
3
membrane-strengthening agents found in bacteria
sterols and hopanoids
4
what type of phospholipid linkages are in Archae?
Ether
5
what type of phospholipid linkages are in Bacteria and Eukarya?
Ester
6
instead of lipids made of fatty acids, archae have ______
isoprenes
7
transport Driven by the energy in the proton motive
force
Simple transport
8
Chemical modification of the transported
substance driven by phosphoenolpyruvate
group translocation
9
transport where periplasmic binding proteins are involved and energy comes from ATP
ABC transporter
10
Las permease is what type of transport?
simple
11
what type of transport is the Phosphotransferase system?
group transport
12
responsible for exporting proteins through and inserting into prokaryotic membranes
translocases
13
Rigid layer that provides strength to cell wall
peptidoglycan
14
does gram (-) or gram (+) have the peptide link interbridge?
Gram (+)
15
Common to have teichoic acids embedded in the cell wall (G- or G+)?
G+
16
cell wall contains 10% peptidoglycan (G+ or G-)?
G-
17
cell wall contains up to 90% peptidoglycan (G+ or G-)?
G+
18
channels for movement of hydrophilic low-molecular weight substances
porins
19
space located between cytoplasmic and outer membranes
periplasm
20
instead of peptidoglycan, archae have ______
pseudomurein
21
Polysaccharide layers that assist a cell in attachment to surfaces
capsules and slime layers
22
Filamentous protein structures that allow cells to stick to surfaces
fimbriae
23
Filamentous protein structures that allow for motility and attachment to surfaces
pili
24
Highly differentiated cells resistant to heat, harsh chemicals, and radiation
endospores
25
are endospores present in some gram-positive or gram-negative bacteria?
gram-positive
26