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Author Archives: Anonymous

What is produced in the electron transport system associated…

What is produced in the electron transport system associated with photosystem II?

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In which of the following reactions is reduction taking plac…

In which of the following reactions is reduction taking place?

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How are the light reactions and the Calvin cycle related to…

How are the light reactions and the Calvin cycle related to each other?

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Which of the following flow mechanisms CANNOT be compensated…

Which of the following flow mechanisms CANNOT be compensated for?(i.e. intravoxel dephasing effects are completely irreversible)

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A 64 x 64 MRI image has a field of view along both direction…

A 64 x 64 MRI image has a field of view along both directions of 640 mm. Which of the following would cause an INCREASE in the spatial resolution? (Choose TWO answers)

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Which of the following would NOT change the signal-to-noise…

Which of the following would NOT change the signal-to-noise ratio?

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The term “first order motion” means that:

The term “first order motion” means that:

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A bipolar gradient has a magnitude of 8.0 mT/m. Each lobe of…

A bipolar gradient has a magnitude of 8.0 mT/m. Each lobe of the gradient is applied for 1.25 ms. a) What is the VENC setting for this acquisition?  Express your answer in cm/s. (2) b) Blood in a vessel is flowing at a velocity of +130.0 cm/s.  What will be the aliased velocity?  Express your answer in cm/s. (2)

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Determine the amplitude of the bipolar gradient if the VENC…

Determine the amplitude of the bipolar gradient if the VENC setting is chosen to be 150.0 cm/s. Each lobe of the gradient is applied for a time of 1.20 ms.  Express your answer in mT/m.

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Calculate the scan time in minutes and seconds (i.e. ___ min…

Calculate the scan time in minutes and seconds (i.e. ___ minutes and ___ seconds) for a multislice MRI acquisition with a repetition time TR equal to 2500 ms, 64 phase encoding steps, and a NEX of 2. Put your answer in the answer box along with any work if desired.

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