Lecture 10 (Transportation & Secretion) Flashcards
A 1.____________
organism would be one that would synthesize everything from basic precursors, while a 2.____________
would require many specific compounds to grow.
Drop down box options:
Nonculturable
Fastidious
Prototrophic
Extremphile
- Prototrophic
- Fastidious
Metals and vitamins are both considered inorganic cofactors.
T/F
False
Which of the following forms of transport cannot concentrate a substrate (i.e., transport it against its concentration gradient)?
A. Primary Active transport
B. Secondary Active transport
C. PTS Transport
D. Facilitated diffusion
D.
What is used as energy for primary active transport (a.k.a. ABC transport)?
A. ATP
B. ADP
C. It doesn’t require energy
D. Protons
A.
A 1._____________
results in one molecule being transported while another gets transported out of a cell, while a 2. _______________
results in two molecules both getting transported into a cell.
Drop down box options:
PTS Transporter
ABC Transporter
Symporter
Antiporter
- Antiporter
- Symporter
Bacterial cells can uptake sugars (monosaccharides) like glucose directly without any modification whatsoever.
False
Which of the following secretion systems can transport already-folded proteins into the periplasm (i.e., the space between the outer and inner membrane).
A. Type III
B. Type II
C. TAT
D. Sec
C.
The primary form of energy used to power most Type III secretion systems is:
A. ATP
B. Proton gradients
C. Sodium Gradients
D. GTP
B.
The Type II secretion system transports proteins from where:
A. From the cytoplasm to the periplasmic space
B. From the periplasmic space to outside the cell
C. From the cytoplasm into another cell
D. From the cytoplasm to outside the cell
B.
Which of the secretion systems are commonly used for virulence by pathogenic bacteria?
A. Sec
B. Type II
C. TAT
D. Type III
D.
Porins are required for Facilitated diffusion.
T/F
True
Both TAT and Type III secretions systems use Proton Gradients as energy sources.
T/F
True
PTS transport system uses what energy source?
A. ATP
B. Couple Reactions
C. Phosphate
D. Concentration gradients
C.
