Evidence against mass flow Flashcards

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1
Q

The rate of translocation of different organic substances was measured and the results showed that amino acids appeared to travel more slowly than

what does this suggest

A

sucrose

The mass flow hypothesis states should be flowing at the same rate

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2
Q

Some scientists have conducted experiments that detected different substances (within the same sieve element) moving in …. directions

what does this suggest

A

opposite
The mass flow hypothesis states everything should be flowing in one direction

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3
Q

It has been suggested that some sieve tubes translocate at different

what dos this suggest

A

times

The mass flow hypothesis states that nearly all sieve tubes should be involved in translocation at the same time as they are all connected to the same leaves

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