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Worksheets7 Microbial Physiology Module 7: Transport
Total questions: 10
Worksheet time: 5mins
Of the following transport systems, which require(s) energy input?
Simple diffusion
Facilitated diffusion
Active transport
All of the aforementioned.
None of the aforementioned.
Which of the following is NOT TRUE about “Proton Current” across the membrane?
Protons are translocated to the cell surface, driven there by either chemical or light energy through a proton pump.
Protons are returned through special proton transporters.
The accumulation of protons on the outside surface of the membrane establishes a membrane potential.
A pH gradient can also be established.
None of the aforementioned.
Which is NOT a characteristic of membrane transport systems?
Show a saturation effect
High specificity
High energy requiring
Highly-regulated
None of the aforementioned.
Which of the following DOES NOT require carrier proteins?
Simple diffusion
Facilitated diffusion
Active transport
ABC transporter
None of the aforementioned
Which of the following is NOT TRUE about Phosphotransferase system?
The transported substance is chemically modified during the transport process.
An energy-rich organic compound rather than the proton motive force drives the transport event.
ATP is the main source of energy.
Mainly for sugar transport.
None of the aforementioned.
What type of organism has the ability to make its own food?
Plants, algae, and some microorganisms use energy from the sun to make organic molecules in a process called?
Electron transport chain
Photosynthesis
Photoautotrophy
Photoorganotrophy
None of the aforementioned
______ use inorganic molecules to make organic compounds in a process called photosynthesis.
Autotrophs
Lithotrophs
Heterotrophs
Phototrophs
None of the aforementioned.
Which of the following is FALSE about photolithotrophs?
Inorganic H+/e- donor
CO2 as main carbon source
Light as main energy source
Organic compounds as H+/e- donor
None of the aforementioned.
Which of the following is FALSE about chemoorganotrophs?
Organic H+/e- donor
Inorganic H+/e- donor
Organic compounds as main energy source
Organic compounds as main carbon source
None of the aforementioned
