prokaryote Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

which cell shapes remain attached after division?

A

rod sphere

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

gram + vs gram - cell wall?

A

gram-(+): thick multilayered of glycan; techoic acid binds for vidiability
gram-(-): inner (phospholipid bilayer$
outer (lipopplysacx k peptide A)
periplasm
proin creates pores for small molec

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

what does nucleoid contain?

A

single, circular chromosome.
could be haploid or genome

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

small circular molec of DNA are found in many prokaryotic cells
Replicate independently of bacterial chrom

A

plasmid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what dies cell wall composed of?

A

long strands of peptidoglycan
- long disacc trands
- alternating NAG NAM molec
side chain
peptide cross bridge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

organelles involved im cell reproduction?

A

ribosome (translational machine), nucleoid, inclusion, plasmid (small circular molecule of dna) within cell xytoplasm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is quorum sensing?

A

cellular communication

alters gene expression

as biofilm develos and matures, interior cell becomes biochemically different from edge cells

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

2 ways to refer to glycolcalyx?

A

capsule when bound to cell wall
slime layer when thinner layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

construction of flagella?

A

hook and filament connect to base, powered by proton diffusion for tumbling and pole

How well did you know this?
1
Not at all
2
3
4
5
Perfectly