A) For each of the following statements determine if they are true (T) or false (F). • The primary active transport of H' via proton pump, establishes a proton gradient across the membrane. ISelect) • The intracellular pH is lower than the extracellular pH. Select] • Lactose transporter is an example of antiport. Select ) • Transport of lactose against its concentration gradient is entirely dependent on inflow of H" down their electrochemical gradient. ISelect)
A) For each of the following statements determine if they are true (T) or false (F). • The primary active transport of H' via proton pump, establishes a proton gradient across the membrane. ISelect) • The intracellular pH is lower than the extracellular pH. Select] • Lactose transporter is an example of antiport. Select ) • Transport of lactose against its concentration gradient is entirely dependent on inflow of H" down their electrochemical gradient. ISelect)
Biochemistry
6th Edition
ISBN:9781305577206
Author:Reginald H. Garrett, Charles M. Grisham
Publisher:Reginald H. Garrett, Charles M. Grisham
Chapter20: Electron Transport And Oxidative Phosphorylation
Section: Chapter Questions
Problem 22P
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Question
![The transport system of lactose in E.coli is shown below:
Lactose
transporter
H+
H+
Lactose
(outside)
H+
H+
H+
H+
Proton pump
H*
+ ++
Lactose
(inside)
ADP + P,
H*
H+
ATP
H*
A) For each of the following statements determine if they are true (T) or false (F).
• The primary active transport of H" via proton pump, establishes a proton gradient across the
membrane. 1 Select )
• The intracellular pH is lower than the extracellular pH. [Select]
- Lactose transporter is an example of antiport. Select]
Transport of lactose against its concentration gradient is entirely dependent on inflow of H"
down their electrochemical gradient. ISelect]
B) What would happen with the transport of Lactose if an antimicrobial agent triclosan is added?
Triclosan is a proton onophore.
I Select]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7270fe1e-0111-45ae-aa47-a2733f262922%2F92ce8a0a-e180-45b8-9b28-49f240fdbf78%2Fwqtc9ai_processed.png&w=3840&q=75)
Transcribed Image Text:The transport system of lactose in E.coli is shown below:
Lactose
transporter
H+
H+
Lactose
(outside)
H+
H+
H+
H+
Proton pump
H*
+ ++
Lactose
(inside)
ADP + P,
H*
H+
ATP
H*
A) For each of the following statements determine if they are true (T) or false (F).
• The primary active transport of H" via proton pump, establishes a proton gradient across the
membrane. 1 Select )
• The intracellular pH is lower than the extracellular pH. [Select]
- Lactose transporter is an example of antiport. Select]
Transport of lactose against its concentration gradient is entirely dependent on inflow of H"
down their electrochemical gradient. ISelect]
B) What would happen with the transport of Lactose if an antimicrobial agent triclosan is added?
Triclosan is a proton onophore.
I Select]
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