5 Questions
What is the process called when transfer of photoassimilates into sieve element and companion cells at the source end occurs?
Phloem loading
In apoplastic phloem loading, how are photoassimilates first transported from the mesophyll cells?
Via the bundle sheath cells to the extracellular apoplastic region
What are the specialized companion cells called in symplastic phloem loading?
Intermediary cells
What is the process called when transfer from sieve elements into the target cells at the sink end occurs?
Unloading
What is the name of the pathway through which phloem loading and unloading occurs involving active transport into the specialized companion cells called transfer cells?
Apoplastic pathway
Test your knowledge of phloem translocation with this quiz. Explore the processes of short distance transport, phloem loading, and long distance transport in plants. Perfect for students of botany and plant physiology.
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